{"id":132836,"date":"2021-04-28T17:23:31","date_gmt":"2021-04-28T15:23:31","guid":{"rendered":"https:\/\/www.sma-sunny.com\/?p=132836"},"modified":"2024-12-03T09:40:13","modified_gmt":"2024-12-03T08:40:13","slug":"sma-ev-charger-your-questions-our-answers","status":"publish","type":"post","link":"https:\/\/www.sma-sunny.com\/en\/sma-ev-charger-your-questions-our-answers\/","title":{"rendered":"SMA EV Charger: your questions, our answers"},"content":{"rendered":"<div  class='av_promobox av-cnzqhus-0d777e54da57d08c26e6ff8b7bb42178 avia-button-no  avia-builder-el-0  el_before_av_toggle_container  avia-builder-el-first '><div class='avia-promocontent'><p><strong>We launched our new SMA eCharger wallbox in August 2024, almost exactly four years after introducing our SMA EV Charger 7.4\/22. The new SMA eCharger replaces the previous model with a cutting-edge design.<\/strong><\/p>\n<p>With the SMA eCharger, you continue to benefit from all the features you already know from its predecessor, including PV-optimized charging features and deep system integration. We have also incorporated many of the suggestions from the feedback you gave us into our product development.<\/p>\n<p>Other key features:<\/p>\n<ul>\n<li>Ready for <strong>bidirectional AC charging<\/strong> (future availability as a chargeable e-product, compatible with selected vehicle models and subject to final standardization).<\/li>\n<li><strong>SMA Modbus interface<\/strong> for easy third-party integration<\/li>\n<li>Equipped with <strong>type 2 charging socket with shutter<\/strong>. Cable lengths can be customized as needed so that no installer or electrically qualified person is required.<\/li>\n<\/ul>\n<p>For more information on the SMA eCharger, see the <a href=\"https:\/\/www.sma.de\/en\/products\/e-mobility-charging-solutions\/sma-echarger\" target=\"_blank\" rel=\"noopener\">product page<\/a> and soon, of course, the blog.<\/p>\n<p>For your information:<\/p>\n<p>The SMA EV Charger 7.4 is currently still commercially available (as of November 2024).<\/p>\n<\/div><\/div>\n<p>&nbsp;<\/p>\n[Update dated June 29, 2022 | Software update 1.02.23.R and longer charging cables] <strong>SMA EV Charger ensures that you benefit from more solar power in the tank by converting solar power from your roof directly into climate-neutral range on the road. But do I need my own PV system and the Sunny Home Manager to charge my electric vehicle? From where do I get longer charging cables? How do I prevent unauthorized use of my SMA EV Charger? Here, SMA Charging Solutions Expert Lisa Spangenberg provides answers to your questions.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>I don&#8217;t have a Sunny Home Manager\u00a02.0. Can I still use SMA EV Charger? <\/strong><\/p>\n<p>SMA EV Charger was developed for use with the <a href=\"https:\/\/www.sma.de\/en\/products\/monitoring-control\/sunny-home-manager-20.html\" target=\"_blank\" rel=\"noopener\">Sunny Home Manager 2.<\/a>0. This configuration also allows you to use intelligent charging management. However, even without the Sunny Home Manager 2.0, SMA EV Charger can be used as a standard wallbox and easily integrated into a PV system later on.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>How do I use SMA EV Charger as a standard wallbox?<\/strong><\/p>\n<p>When setting up the system, simply deselect the option \u201coperation with grid-connection point meter\u201d (see Figure 1). Note, however, that visualization in the Sunny Portal and SMA Energy app and all the functions that come with SMA Energy System Home are available only in conjunction with the Sunny Home Manager 2.0.<\/p>\n<div id=\"attachment_132855\" style=\"width: 1857px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung1_SMA-EV-Charger_Operation-with-meter-at-pint-of-interconnection_EN.png\"><img decoding=\"async\" aria-describedby=\"caption-attachment-132855\" class=\"wp-image-132855 size-full lazyload\" data-src=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung1_SMA-EV-Charger_Operation-with-meter-at-pint-of-interconnection_EN.png\" alt=\"SMA EV Charger Operation with meter at pint of interconnection\" width=\"1847\" height=\"841\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung1_SMA-EV-Charger_Operation-with-meter-at-pint-of-interconnection_EN.png 1847w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung1_SMA-EV-Charger_Operation-with-meter-at-pint-of-interconnection_EN-262x119.png 262w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung1_SMA-EV-Charger_Operation-with-meter-at-pint-of-interconnection_EN-1024x466.png 1024w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung1_SMA-EV-Charger_Operation-with-meter-at-pint-of-interconnection_EN-768x350.png 768w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung1_SMA-EV-Charger_Operation-with-meter-at-pint-of-interconnection_EN-1536x699.png 1536w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung1_SMA-EV-Charger_Operation-with-meter-at-pint-of-interconnection_EN-450x205.png 450w\" data-sizes=\"(max-width: 1847px) 100vw, 1847px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1847px; --smush-placeholder-aspect-ratio: 1847\/841;\" \/><\/a><p id=\"caption-attachment-132855\" class=\"wp-caption-text\">Figure 1: If you want to use SMA EV Charger as a standard wallbox, simply deselect the option \u201coperation with grid-connection point meter\u201d when setting up the system.<\/p><\/div>\n<p><strong>Is the previous version \u2013 Sunny Home Manager (Bluetooth) \u2013 also compatible with SMA EV Charger? <\/strong><\/p>\n<p>In principle, SMA EV Charger can also be operated in combination with the Sunny Home Manager BT, but with some restrictions: For example, SMA EV Charger does not appear in the device overview in the <a href=\"https:\/\/www.sunnyportal.com\/\" target=\"_blank\" rel=\"noopener\">Sunny Portal<\/a>; the control steps are much bigger; no events are transported to the system logbook; SMA Smart Connected is not available; visualization and control via the SMA Energy app are not possible. Forecast-based charging then has to be configured indirectly using the parameter settings on the device\u2019s user interface. If you want to make full use of the intelligent charging options, you should thus consider using the Sunny Home Manager\u00a02.0.<\/p>\n<p>&nbsp;<\/p>\n<p>Click here for more answers:<\/p>\n<div  class='togglecontainer av-3ep46r1g-1ce360e9e7a4019ef46468f922b377d3  avia-builder-el-1  el_after_av_promobox  el_before_av_promobox  toggle_close_all' >\n<section class='av_toggle_section av-39a44p7o-1ef9faeed64379ff00993fed0af2362b'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-1' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-1'><strong>(Update) How many SMA EV Charger can I operate with one Sunny Home Manager 2.0?<\/strong> <span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-1' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>With software update 1.02.23.R for the SMA EV Charger, up to three SMA EV Chargers are now supported on one Sunny Home Manager 2.0 (\u2265 2.08.5.R) in multi-EVS mode. This will allow the SMA EV Chargers to be visualized and controlled via the <a href=\"https:\/\/www.sma.de\/en\/products\/apps-software\/sma-energy-app.html\" target=\"_blank\" rel=\"noopener\">SMA Energy App<\/a>.<\/p>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-334s8kbo-a9a187a57bad3312db01fac8353aa112'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-2' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-2'><strong>(Update) The 5 m charging cable supplied as standard is too short for my application. Does SMA also offer longer charging cables?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-2' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>Charging cables of 7.5 m and 10.0 m in length have been available as options since August 2021. Installers can order the cables as spare parts through the SMA Online Shop and retrofit them to existing systems. System operators should contact their installers directly, as the SMA Online Shop is intended for use by solar power professionals only.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-2ypvvs2s-375d8fc88d0bb7724e780de06dfa80c8'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-3' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-3'><strong>SMA EV Charger has two switch positions, but offers three different charging modes. How can I switch between them?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-3' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>You can switch between fast charging and optimized charging using the rotary switch on the SMA EV Charger enclosure. Note, however, that you cannot configure fast charging mode via the SMA Energy app. If you set the rotary switch to the optimized switch position, SMA EV Charger will begin PV-optimized charging by default. Alternatively, you can then set a desired charging target via the <a href=\"https:\/\/www.sma.de\/en\/products\/apps-software\/sma-energy-app.html\" target=\"_blank\" rel=\"noopener\">SMA Energy app<\/a>.<\/p>\n<p><a href=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung2_SMA-EV-Charger_2-switch-positions-3-charging-modes_EN.png\"><img decoding=\"async\" class=\"alignnone size-full wp-image-132867 lazyload\" data-src=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung2_SMA-EV-Charger_2-switch-positions-3-charging-modes_EN.png\" alt=\"SMA EV Charger2 switch positions 3 charging modes\" width=\"1653\" height=\"627\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung2_SMA-EV-Charger_2-switch-positions-3-charging-modes_EN.png 1653w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung2_SMA-EV-Charger_2-switch-positions-3-charging-modes_EN-262x99.png 262w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung2_SMA-EV-Charger_2-switch-positions-3-charging-modes_EN-1024x388.png 1024w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung2_SMA-EV-Charger_2-switch-positions-3-charging-modes_EN-768x291.png 768w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung2_SMA-EV-Charger_2-switch-positions-3-charging-modes_EN-1536x583.png 1536w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung2_SMA-EV-Charger_2-switch-positions-3-charging-modes_EN-450x171.png 450w\" data-sizes=\"(max-width: 1653px) 100vw, 1653px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1653px; --smush-placeholder-aspect-ratio: 1653\/627;\" \/><\/a><\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-2u3wpgx0-ed67055c91e9c740303e5adbd461cef6'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-4' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-4'><strong>The documentation contains frequent references to the \u201cslider.\u201d Where can I find this, and what does it do?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-4' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>You can find the \u201cslider\u201d in the Sunny Portal by choosing <em>load characteristics<\/em><em> &gt; optional energy requirements<\/em>. In optimized charging mode, your electric vehicle will be charged with the minimum share of solar energy for SMA EV Charger. Depending on how your system is configured, for example, you should allow 20% grid-supplied power to ensure that the Sunny Home Manager\u00a02.0 also performs scheduling for small PV systems or can take into account variable weather conditions. Rather than a static value, this figure is more of a target that the Sunny Home Manager\u00a02.0 will aim to achieve throughout the day (see Figure 2).<\/p>\n<div id=\"attachment_132879\" style=\"width: 1063px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung3_SMA-EV-ChargerOptional-Energy-Demand_EN-1.png\"><img decoding=\"async\" aria-describedby=\"caption-attachment-132879\" class=\"wp-image-132879 size-full lazyload\" data-src=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung3_SMA-EV-ChargerOptional-Energy-Demand_EN-1.png\" alt=\"\" width=\"1053\" height=\"201\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung3_SMA-EV-ChargerOptional-Energy-Demand_EN-1.png 1053w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung3_SMA-EV-ChargerOptional-Energy-Demand_EN-1-262x50.png 262w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung3_SMA-EV-ChargerOptional-Energy-Demand_EN-1-1024x195.png 1024w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung3_SMA-EV-ChargerOptional-Energy-Demand_EN-1-768x147.png 768w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung3_SMA-EV-ChargerOptional-Energy-Demand_EN-1-450x86.png 450w\" data-sizes=\"(max-width: 1053px) 100vw, 1053px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1053px; --smush-placeholder-aspect-ratio: 1053\/201;\" \/><\/a><p id=\"caption-attachment-132879\" class=\"wp-caption-text\">Figure 2: Depending on how your system is configured, you should allow a certain share of grid-supplied power in optimized charging mode to ensure that the Sunny Home Manager 2.0 also performs scheduling for small PV systems or can take into account variable weather conditions. This can be set using the slider in the Sunny Portal.<\/p><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-2srzb9t0-ae903767b8af5d1b5d815039dfb532c0'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-5' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-5'><strong>I have configured the slider for SMA EV Charger in the Sunny Portal for 100% PV power generation, but the SMA Energy app still shows only a small amount of grid-supplied power. Why is this?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-5' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>The Sunny Home Manager\u00a02.0 regulates SMA EV Charger at one-minute intervals. Especially when conditions are variable, this may result in a discrepancy with respect to the actual level of PV power generation. So even if you have set 100% power generation, it is still possible that only a small amount of charging power is actually drawn from the utility grid. In addition, planning is done by the Sunny Home Manager 2.0 based on a schedule (hypothesis). Regular changes due to unforeseen events are absolutely normal.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-2mufuauc-bfc47bab4c4e1d707ba4d14468f18cbc'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-6' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-6'><strong>What are the different sources of energy used for charging my vehicle in the different charging modes?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-6' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>During fast charging, the vehicle is charged with the maximum power that the vehicle and house allow. Any energy source is used here, so the system could potentially be drawing power from the home storage system to charge your vehicle.<br \/>\nDuring PV-optimized charging, SMA EV Charger charges the vehicle with the energy mix saved in the Sunny Portal (slider). Charging of battery prior to optional loads checkmark decides whether the battery or OPTIONAL load is supplied with the surplus solar power initially. Depending on how the slider is set, energy from the home storage system or utility grid can also be used to charge the vehicle.<br \/>\nDuring forecast-based charging, surplus solar energy is initially used for achieving the charging target configured in the SMA Energy app. If not enough of this energy is available for achieving the charging target, the home storage system is used. Once the home storage system is used up, the energy is drawn from the utility grid.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-2guvqg2s-3b5251f746fad80e1595c086c36e49b6'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-7' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-7'><strong>Is SMA EV Charger suitable for bidirectional charging? Will a DC charger be available?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-7' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>SMA EV Charger is designed for unidirectional AC charging of the electric vehicle in accordance with IEC 61851-1. Bidirectional DC charging at home is therefore not possible. This is prevented in particular by regulatory conditions. In addition, the galvanic isolation prescribed by the applicable standards results in high original costs for charging solutions. Vehicle manufacturers are increasingly offering vehicle models with communication in accordance with ISO\u00a015118, thereby potentially enabling bidirectional applications. SMA is monitoring developments in this area with great interest.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-2f3eosbo-505785a2ce2c0f65125b27a9c5a4400e'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-8' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-8'><strong>Under what conditions can I receive KfW 440 funding for SMA EV Charger?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-8' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>SMA EV Charger 22 is eligible for funding. When setting up your system, the solar power professional has to limit the device to a charging power of 11\u00a0kW (see <a href=\"https:\/\/files.sma.de\/downloads\/HK_EV%20Charger%20Begrenzung%20Ladeleistung-de.pdf\" target=\"_blank\" rel=\"noopener\">manufacturer\u2019s declaration<\/a> the product page download area*). In addition, all the power for charging the electric vehicle has to come from renewable energies. This can be demonstrated by either concluding a green electricity contract (e.g., SMA JOIN) or submitting a self-declaration that the vehicle is charged exclusively using self-generated solar power. Once your request has been approved by the KfW, you have to install your system within nine months and submit the necessary documentation.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-282f8zl0-2bfe59d740059c5fa742bc7051a1ef93'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-9' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-9'><strong>My SMA EV Charger does not begin charging until a large amount of surplus power is available. The vehicle is not charged if only a small amount of surplus photovoltaic power is available. Why might this be?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-9' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>When SMA EV Charger is installed, it is vital that the charging cable supplied is connected as shown below (see Figure 3). If the lines are not connected as shown, single-phase charging cannot start. Three-phase charging begins only when a large amount of surplus power is available. The charging cable must be installed only by an electrically qualified person.<\/p>\n<div id=\"attachment_132755\" style=\"width: 718px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung4_SMA-EV-Charger_Anschluss-Ladekabel_DE_EN.png\"><img decoding=\"async\" aria-describedby=\"caption-attachment-132755\" class=\"wp-image-132755 size-full lazyload\" data-src=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung4_SMA-EV-Charger_Anschluss-Ladekabel_DE_EN.png\" alt=\"SMA-EV-Charger_Anschluss-Ladekabel\" width=\"708\" height=\"759\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung4_SMA-EV-Charger_Anschluss-Ladekabel_DE_EN.png 708w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung4_SMA-EV-Charger_Anschluss-Ladekabel_DE_EN-262x281.png 262w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung4_SMA-EV-Charger_Anschluss-Ladekabel_DE_EN-450x482.png 450w\" data-sizes=\"(max-width: 708px) 100vw, 708px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 708px; --smush-placeholder-aspect-ratio: 708\/759;\" \/><\/a><p id=\"caption-attachment-132755\" class=\"wp-caption-text\">Figure 3: The charging cable must be connected as shown by an electrically qualified person (brown line to L1) because otherwise automatic phase-switching will not be possible.<\/p><\/div>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-245mtuqs-5eb628bcf0b71490ddc6986caf52b3d5'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-10' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-10'><strong>(Update)<\/strong> <strong>I have restricted SMA EV Charger to 11 kW. Why doesn\u2019t it perform single-phase charging with more than 3.5 kW now?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-10' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>This is because the maximum charging power of the SMA EV Charger is currently restricted based on current. When restricted to 11 kW, the maximum charging current of the device is 16 A. To prevent the device\u2019s fuse protection level being exceeded, single-phase charging of the vehicle will not exceed 3.5 kW either.<\/p>\n<p>With software update 1.02.23.R, single-phase charging at up to 7.4 kW is possible even if the SMA EV Charger is restricted to 11 kW, provided that the electrical installation permits (e.g., line cross-section, fuse protection). The fuse protection of the electric circuit for the SMA EV Charger is the determining factor in this case (see AC current restriction parameter).<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-212d5gpw-2d320aacb5a561cbfe974459ca1ddbd6'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-11' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-11'><strong>I want to charge my vehicle up to a maximum of 80% SOC (state of charge). How can I set this?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-11' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>The SoC of the vehicle battery is not transmitted to the vehicle via PWM communication (pulse width modulation) as standard during charging in accordance with IEC 61851-1. The SMA EV Charger therefore has no current information on the state of charge of the vehicle battery and cannot use this information to optimize energy management.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-1wb41vl0-05cd3b166109e24de77d0ac834ce6aeb'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-12' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-12'><strong>Can the charger read the state of charge (SOC) of the connected vehicle via powerline communication (PLC)?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-12' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>No, because there is no standard transmission of the SoC via PWM communication (pulse width modulation) from the vehicle to the charging station.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-1rumjh9g-44f18667ff8fc69ecea04cb879c42249'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-13' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-13'><strong>Which conditions have to be fulfilled so that the integrated boost function can be used?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-13' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>The integrated boost function enables single-phase charging with up to 7.4\u00a0kW. The integrated symmetry feature ensures that the country-specific unbalanced load limit (4.6\u00a0kW in Germany) is adhered to at all times. This is possible, however, only when a single-phase (battery) inverter is connected in the same phase as SMA EV Charger. A three-phase inverter feeding into the grid is not sufficient here. Alternatively, large loads can be connected in the other two phases. The boost function itself does not need to be activated. As soon as solar power is available and the necessary conditions have been fulfilled, power from the utility grid and solar power are automatically combined for faster charging.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-1m7aeyjo-f9675d1c7d292bd9b73820110f3138af'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-14' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-14'><strong>SMA EV Charger ensures greater safety for my house connection. Which parameter can be used as a reference here?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-14' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>Thanks to power outage protection, SMA EV Charger can be easily integrated into an existing energy system at any time. Optimal utilization of the available connection capacity means that the house connection does not need to be expanded. When multiple loads are operated in parallel, SMA EV Charger automatically and dynamically reduces the charging power of the electric vehicle before a critical overload is reached, which prevents fuses from blowing. When the solar power professional sets up the system, the nominal current of the selective main miniature circuit breaker and not the SMA EV Charger fuse protection should be specified under \u201cnominal current of the point of interconnection\u201d <em>(see Figure 4)<\/em>.<\/p>\n<div id=\"attachment_132891\" style=\"width: 1856px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung5_SMA-EV-Charger_Grid-connection-point-rated-current_EN.png\"><img decoding=\"async\" aria-describedby=\"caption-attachment-132891\" class=\"size-full wp-image-132891 lazyload\" data-src=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung5_SMA-EV-Charger_Grid-connection-point-rated-current_EN.png\" alt=\"SMA EV Charger Grid connection point rated current\" width=\"1846\" height=\"846\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung5_SMA-EV-Charger_Grid-connection-point-rated-current_EN.png 1846w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung5_SMA-EV-Charger_Grid-connection-point-rated-current_EN-262x120.png 262w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung5_SMA-EV-Charger_Grid-connection-point-rated-current_EN-1024x469.png 1024w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung5_SMA-EV-Charger_Grid-connection-point-rated-current_EN-768x352.png 768w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung5_SMA-EV-Charger_Grid-connection-point-rated-current_EN-1536x704.png 1536w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung5_SMA-EV-Charger_Grid-connection-point-rated-current_EN-450x206.png 450w\" data-sizes=\"(max-width: 1846px) 100vw, 1846px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1846px; --smush-placeholder-aspect-ratio: 1846\/846;\" \/><\/a><p id=\"caption-attachment-132891\" class=\"wp-caption-text\">Figure 4: For power outage protection, the solar power professional specifies the nominal current of the selective main miniature circuit breaker and not the SMA EV Charger fuse protection under \u201cnominal current of the point of interconnection\u201d when setting up the system.<\/p><\/div>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-1f5mke04-a433781f3e1ac89a0363d031b772229e'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-15' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-15'><strong>I drive a Renault ZOE. What minimum charging current do I have to set?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-15' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>As standard, the minimum charging current is set to 6\u00a0A (in accordance with IEC 61851-1) (see Figure 5). Depending on the vehicle connected, this may need to be changed. Due to its internal charging electronics, the Renault ZOE charges without any issues only from a charging current of 10\u00a0A. Ask your vehicle manufacturer about the minimum charging current for your vehicle. Any change to this value also affects the start of charging and the switching threshold of automatic phase-switching.<\/p>\n<div id=\"attachment_132903\" style=\"width: 1857px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung6_SMA-EV-Charger_Minimum-charge-current_EN.png\"><img decoding=\"async\" aria-describedby=\"caption-attachment-132903\" class=\"size-full wp-image-132903 lazyload\" data-src=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung6_SMA-EV-Charger_Minimum-charge-current_EN.png\" alt=\"SMA EV Charger Minimum charge current\" width=\"1847\" height=\"839\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung6_SMA-EV-Charger_Minimum-charge-current_EN.png 1847w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung6_SMA-EV-Charger_Minimum-charge-current_EN-262x119.png 262w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung6_SMA-EV-Charger_Minimum-charge-current_EN-1024x465.png 1024w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung6_SMA-EV-Charger_Minimum-charge-current_EN-768x349.png 768w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung6_SMA-EV-Charger_Minimum-charge-current_EN-1536x698.png 1536w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung6_SMA-EV-Charger_Minimum-charge-current_EN-450x204.png 450w\" data-sizes=\"(max-width: 1847px) 100vw, 1847px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1847px; --smush-placeholder-aspect-ratio: 1847\/839;\" \/><\/a><p id=\"caption-attachment-132903\" class=\"wp-caption-text\">Figure 5: Depending on your vehicle, you may have to change the minimum charging current. Ask the vehicle manufacturer.<\/p><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-1cyrtlno-940b5a5441d7d28733467a74a02a170e'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-16' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-16'><strong>People always think that the electric vehicle\u2019s on-board charger is destroyed during automatic phase-switching. How does SMA EV Charger deal with this?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-16' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>Automatic phase-switching by SMA EV Charger enables maximum utilization of self-generated solar power. This poses no danger to the electric vehicle\u2019s on-board charger because there is a 120-second changeover pause between single- and three-phase charging \u2013 in other words, active single-phase charging is stopped and three-phase charging is activated after a short wait (see Figure 6). An integrated hysteresis prevents constant switching between the phases.<br \/>\nSMA phase-switching is like a manual interruption in the charging process and causes no vehicle damage when the equipment is properly installed and configured (relay switchover time).<\/p>\n<div id=\"attachment_132915\" style=\"width: 1384px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung7_SMA-EV-Charger_Automatic-phase-switching_EN.png\"><img decoding=\"async\" aria-describedby=\"caption-attachment-132915\" class=\"size-full wp-image-132915 lazyload\" data-src=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung7_SMA-EV-Charger_Automatic-phase-switching_EN.png\" alt=\"\" width=\"1374\" height=\"814\" data-srcset=\"https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung7_SMA-EV-Charger_Automatic-phase-switching_EN.png 1374w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung7_SMA-EV-Charger_Automatic-phase-switching_EN-262x155.png 262w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung7_SMA-EV-Charger_Automatic-phase-switching_EN-1024x607.png 1024w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung7_SMA-EV-Charger_Automatic-phase-switching_EN-768x455.png 768w, https:\/\/www.sma-sunny.com\/wp-content\/uploads\/2021\/04\/Abbildung7_SMA-EV-Charger_Automatic-phase-switching_EN-450x267.png 450w\" data-sizes=\"(max-width: 1374px) 100vw, 1374px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 1374px; --smush-placeholder-aspect-ratio: 1374\/814;\" \/><\/a><p id=\"caption-attachment-132915\" class=\"wp-caption-text\">Figure 6: With automatic phase-switching, active single-phase charging is stopped and three-phase charging is activated after a short wait.<\/p><\/div>\n<\/div><\/div><\/div><\/section>\n<section class='av_toggle_section av-197fa2uc-688cc9e64c5bf78a50c0a3c8340084e8'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-17' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-17'><strong>(Update) My SMA EV Charger has been installed at a location that can also be accessed by third parties. How can I prevent possible charging by unauthorized third parties?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-17' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>With SMA EV Charger software update 1.02.23.R, it is possible to approve each charging operation via the SMA Energy App (Android\/iOS \u2265 1.12.X.R). To do this, simply enable the \u201cCharging release via app\u201d parameter once in the commissioning wizard or later via your device\u2019s user interface. After that, each charging process will need to be approved manually via the SMA Energy App before it can begin after you plug in your electric vehicle. Charging approval will apply to the entire charging process until you unplug your electric vehicle. The charging approval option is available to all persons registered as users in the Sunny Portal system as well as for all SMA EV Chargers already installed.<\/p>\n<p>If no digital signal source (e.g., ripple control receiver, remote terminal unit) is connected, there is the alternative option of using the digital inputs of the SMA EV Charger to connect an external key switch. This means that an external key switch can be connected to the fast stop and configured during commissioning via Grid management services &gt; Active power control. This ensures that charging will not start until it has been approved.<\/p>\n<p>Configure active power control only if a digital signal source is connected to the digital inputs of the SMA EV Charger. Without this, the SMA EV Charger will not charge the vehicle because it is still waiting for charging approval via the digital inputs. Activation of the function can be found in the log book of the Sunny Portal as the \u201cActive power limitation \/ Fast stop active\u201d message.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-13xc1rok-21e40630d5429f3ff54dd5e313eb1dd5'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-18' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-18'><strong>Does SMA EV Charger allow me to settle charging costs via my employer or tax office?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-18' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>SMA EV Charger is implemented with an MID-compliant energy meter, but is not suitable for billing purposes (e.g., settlement via your employer or tax office) due to its systemic integration into the energy system. See <a href=\"https:\/\/www.sunnyportal.com\/Templates\/Content.aspx?ContentTitleId=TermsOfUse_title&amp;ContentId=touDocKey_TermsOfUse\" target=\"_blank\" rel=\"noopener\">terms of use for the Sunny Portal<\/a>, Section VII.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-z0xsdes-1c81de10a01f00e9a8cae01482623138'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-19' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-19'><strong>I use SMA EV Charger 22. When I insert the charging cable into our ID.3 but do not want charging to start immediately, charging does not start at all. The wallbox seems to \u201cfall asleep\u201d in the process.<\/strong> <span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-19' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>This is a known issue with first-generation ID.3 models which can only be solved by a software update of the vehicle. Within the framework of our in-series field tests with various vehicle models, we observed that the vehicles no longer \u201cfall asleep\u201d, even during optimized charging, following the extensive software update 2.1.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-smyij50-849c90096536672fe2cc24bc92b875ac'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-20' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-20'><strong>During PV surplus charging, the ID.3 \u201cfalls asleep\u201d when charging power is temporarily unavailable (e.g., due to a passing cloud or if a washing machine is running). The fault seems to lie with VW here. Is it worth talking to VW about this? According to the VW customer service team, everything is working as it should. <\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-20' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>During our in-series field tests, we noticed that the problem with updating the vehicle to version 2.1 has been fixed.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-qizylno-706b8227f8fe87db9276de9be85887bd'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-21' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-21'><strong>Why is SMA EV Charger more expensive than other wallboxes?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-21' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>Charging with the SMA EV Charger is not only about charging the electric vehicle, but rather the fact that the solar power generated from your system can be used intelligently for this purpose. E-mobility is only sustainable when the charging current comes from renewable energy sources. Thus, it is the intelligence of the SMA EV Charger that makes the device slightly more expensive than standard wallboxes at first glance. However, it enables you to make the best possible use of your valuable solar power through intelligent functions such as automatic phase-switching. As a result, you can charge sustainably at an unbeatable low cost. Using the flexible charging modes, you can decide for yourself anytime whether you want your car to be ready to go quickly or whether you simply want to charge it in a particularly sustainable and affordable way.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-jg4ndyc-0c4ed98470c83dfe671460bbfac13bb9'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-22' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-22'><strong>Does the charger cause radio interference, potentially causing problems with amateur radio operators or the German Federal Network Agency?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-22' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>SMA EV Charger meets the normative requirements for radio systems. The relevant EU Declaration of Conformity can be found in the download area of our product page.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<section class='av_toggle_section av-hwuwq90-2b17d6e8488450f77df03246c8c0e1ba'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div role=\"tablist\" class=\"single_toggle\" data-tags=\"{All} \"  ><p data-fake-id='#toggle-id-23' class='toggler   '  itemprop=\"headline\"  role='tab' tabindex='0' aria-controls='toggle-id-23'><strong>Why is the charger not in the car?<\/strong><span class=\"toggle_icon\"><span class=\"vert_icon\"><\/span><span class=\"hor_icon\"><\/span><\/span><\/p><div id='toggle-id-23' class='toggle_wrap  '  ><div class='toggle_content invers-color '  itemprop=\"text\" ><p>The charger itself (AC on-board charger) is integrated in the vehicle. A wallbox \/ charging station is required to ensure compliance with the safety functions and control the charging process.<\/p>\n<\/div><\/div><\/div><\/section>\n\n<\/div>\n<p>&nbsp;<\/p>\n<p>*How to access the document in the <a href=\"https:\/\/www.sma.de\/en\/service\/downloads.html\" target=\"_blank\" rel=\"noopener\">SMA download area<\/a>: 1. Category: Charging Solutions for E-Mobility, 2. Product Family: SMA EV Charger, 3. Document Type: Certificate &gt; <a href=\"https:\/\/files.sma.de\/downloads\/HK_EV%20Charger%20Begrenzung%20Ladeleistung-de.pdf\" target=\"_blank\" rel=\"noopener\">Manufacturer\u2019s declaration for limiting the maximum charging power with the EV Charger<\/a><\/p>\n<p>&nbsp;<\/p>\n<div  class='av_promobox av-1afw15w-8b927ee8334bbd59f21e2105f46813f2 avia-button-no  avia-builder-el-2  el_after_av_toggle_container  el_before_av_button '><div class='avia-promocontent'><p><strong>SMA EV Charger: Your home charging station<\/strong><\/p>\n<p>SMA EV Charger you can convert valuable kilowatt-hours of solar power from your roof directly into range on the road. Whether you already have a PV system or are intending to have one installed. Sunshine is a cost-effective source of fuel for your transportation needs and produces zero emissions.<\/p>\n<ul>\n<li>Compatible with all standard electric vehicles<\/li>\n<li>For new and existing PV systems<\/li>\n<li>Save on electricity costs from your electric utility company<\/li>\n<\/ul>\n<p><strong>Charge your electric vehicle intelligently <\/strong><\/p>\n<p>Simply use the rotary switch on the device itself or charge your electric vehicle directly via the SMA Energy app. The boost function enables you to charge your vehicle almost twice as quickly as standard charging stations. Even small solar capacities can be utilized to the maximum early in the morning and in the evening thanks to automatic switchover between single- and three-phase charge modes.<\/p>\n<ul>\n<li>Charging with up to 22\u00a0kW<\/li>\n<li>Boost function for grid-compatible, single-phase charging with up to 7.4\u00a0kW<\/li>\n<li>Intelligent charging management via the SMA Energy app<\/li>\n<\/ul>\n<\/div><\/div>\n<p>Learn more about SMA EV Charger?<\/p>\n<p>In this\u00a0<a href=\"https:\/\/www.sma-sunny.com\/en\/charge-your-electric-vehicle-at-home\/\" target=\"_blank\" rel=\"noopener\">post<\/a>, we outline the benefits of the intelligent charging solution in combination with the SMA Energy System Home.<\/p>\n<p>&nbsp;<\/p>\n<p>Click here to go to the charging solutions for e-mobility.<\/p>\n<div  class='avia-button-wrap av-7c9k9t0-b64b30c2c84ff012463ba6eb10f022cc-wrap avia-button-left  avia-builder-el-3  el_after_av_promobox  avia-builder-el-last '>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-7c9k9t0-b64b30c2c84ff012463ba6eb10f022cc\">\n#top #wrap_all .avia-button.av-7c9k9t0-b64b30c2c84ff012463ba6eb10f022cc{\nbackground-color:#e2001a;\nborder-color:#e2001a;\ncolor:#ffffff;\ntransition:all 0.4s ease-in-out;\n}\n<\/style>\n<a href='https:\/\/www.sma.de\/home\/solarstrom-tanken.html' class='avia-button av-7c9k9t0-b64b30c2c84ff012463ba6eb10f022cc av-link-btn avia-icon_select-no avia-size-large avia-position-left' target=\"_blank\" rel=\"noopener noreferrer\"><span class='avia_iconbox_title' >Refuel with solar power \u00bb Home | SMA Solar<\/span><\/a><\/div>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-left kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;left&quot;,&quot;id&quot;:&quot;132836&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;6&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;4.7&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;1&quot;,&quot;greet&quot;:&quot;&quot;,&quot;legend&quot;:&quot;4.7\\\/5 - (6 votes)&quot;,&quot;size&quot;:&quot;22&quot;,&quot;title&quot;:&quot;SMA EV Charger: your questions, our answers&quot;,&quot;width&quot;:&quot;107.6&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; 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height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 1px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 22px; height: 22px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 17.6px;\">\n            4.7\/5 - (6 votes)    <\/div>\n    <\/div>\n<div class='printomatic pom-default ' id='id4742'  data-print_target='article'><\/div>","protected":false},"excerpt":{"rendered":"<p>&nbsp; [Update dated June 29, 2022 | Software update 1.02.23.R and longer charging cables] SMA EV Charger ensures that you&#8230;<\/p>\n","protected":false},"author":58,"featured_media":132844,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[41,58],"tags":[1916,1296],"class_list":["post-132836","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-how-to","category-solutions","tag-e-mobility","tag-sma-ev-charger-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SMA EV Charger: your questions, our answers - Sunny. 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