{"id":7647,"date":"2022-06-25T14:47:17","date_gmt":"2022-06-25T04:47:17","guid":{"rendered":"https:\/\/freematics.com\/pages\/?page_id=7647"},"modified":"2024-09-25T09:28:06","modified_gmt":"2024-09-24T23:28:06","slug":"mppt-charge-controller-400-55","status":"publish","type":"page","link":"https:\/\/freematics.com\/pages\/products\/mppt-charge-controller-400-55\/","title":{"rendered":"Freematics DC-DC MPPT Charge Controller"},"content":{"rendered":"\n<p>Freematics DC-DC MPPT Charge Controller comes with a rugged, weatherproof and fanless design which makes it suitable to be installed in outdoor settings or any vehicles. It adapts any solar panels (up to 55V) to any types of batteries (8.4-30V) at an optimum charging performance. Being able to work standalone or in parallel, it is also adaptive to all kinds of scenarios whether for a caravan, a shed, any solar powered facilities, or a large-scale off-grid system.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-1.jpg\" rel=\"shadowbox[sbpost-7647];player=img;\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1567\" data-id=\"7664\" src=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-1.jpg\" alt=\"\" class=\"wp-image-7664\" srcset=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-1.jpg 1200w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-1-230x300.jpg 230w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-1-784x1024.jpg 784w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-1-768x1003.jpg 768w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-1-1176x1536.jpg 1176w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-3.jpg\" rel=\"shadowbox[sbpost-7647];player=img;\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"2000\" data-id=\"7666\" src=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-3.jpg\" alt=\"\" class=\"wp-image-7666\" srcset=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-3.jpg 1500w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-3-225x300.jpg 225w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-3-768x1024.jpg 768w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-3-1152x1536.jpg 1152w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-4.jpg\" rel=\"shadowbox[sbpost-7647];player=img;\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1200\" data-id=\"7691\" src=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-4.jpg\" alt=\"\" class=\"wp-image-7691\" srcset=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-4.jpg 1600w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-4-300x225.jpg 300w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-4-1024x768.jpg 1024w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-4-768x576.jpg 768w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400-4-1536x1152.jpg 1536w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Feature Highlights<\/strong><\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Outstanding MPPT performance and DC-DC conversion efficiency<\/li>\n\n\n\n<li>Galvanized steel enclosure with passive cooling design<\/li>\n\n\n\n<li>IP66 waterproof, dust-proof, vibration-proof<\/li>\n\n\n\n<li>Live display of input\/output voltage and current<\/li>\n\n\n\n<li>Supporting solar panels with open-circuit voltage up to 55V<\/li>\n\n\n\n<li>Universal battery support (8.4-30V, any types)<\/li>\n\n\n\n<li>Over-heating protection and short-circuit protection<\/li>\n\n\n\n<li>Works as solar charge controller or DC-DC charge controller<\/li>\n<\/ul>\n\n\n\n&nbsp;\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Quick Guides<\/strong><\/h1>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Standalone Mode<\/strong><\/h2>\n\n\n\n<p>In standalone mode, the input of charge controller is connected to one or several solar panels and the output connected to battery. The charger controller is able to output up to 400W power regardless of total capacity of connected solar panels. Since solar panels rarely work at their maximum rating, it is common and safe to connect higher capacity of solar panels to the charge controller to achieve best performance and cost-effectiveness.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400_standalone.jpg\" rel=\"shadowbox[sbpost-7647];player=img;\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400_standalone-1024x576.jpg\" alt=\"\" class=\"wp-image-7670\" style=\"width:840px;height:472px\" srcset=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400_standalone-1024x576.jpg 1024w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400_standalone-300x169.jpg 300w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400_standalone-768x432.jpg 768w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt400_standalone.jpg 1366w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\"><em>Standalone Mode Connection Diagram (necessary isolators not shown)<\/em><\/figcaption><\/figure><\/div>\n\n\n<p><strong>Step 1 &#8211; Connecting solar panels<\/strong><\/p>\n\n\n\n<p>Connect the output of solar panel (normally in MC4 connectors) to the input of the controller (also available with MC4 connectors). To connect multiple solar panels, use MC4 splitters to join multiple pairs of MC4 connectors into one and connect to the charge controller. Be very aware to connect +\/- correctly.<\/p>\n\n\n\n<p><strong>Step 2 &#8211; Adjusting output voltage<\/strong><\/p>\n\n\n\n<p>If solar panel outputs enough voltage, the digits on charge controller will light up. Press +\/- buttons to adjust the output voltage to the fully charged voltage of the battery and then press OK button to store the value.<\/p>\n\n\n\n<p><strong>Step 3 &#8211; Connecting batteries<\/strong><\/p>\n\n\n\n<p>Connect the +\/- of battery to the charge controller and it&#8217;s done. Be very aware to connect +\/- correctly.<\/p>\n\n\n\n&nbsp;\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Parallel Mode<\/strong><\/h2>\n\n\n\n<p>In parallel mode, each group of solar panels are connected to one charge controller. Output of all charge controllers are connected to the same battery. This allow each group of solar panels to work at their own maximum power point and achieve higher overall efficiency than a single controller. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt_parallel.jpg\" rel=\"shadowbox[sbpost-7647];player=img;\"><img loading=\"lazy\" decoding=\"async\" width=\"718\" height=\"1024\" src=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt_parallel-718x1024.jpg\" alt=\"\" class=\"wp-image-7672\" srcset=\"https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt_parallel-718x1024.jpg 718w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt_parallel-210x300.jpg 210w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt_parallel-768x1095.jpg 768w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt_parallel-1077x1536.jpg 1077w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt_parallel-1437x2048.jpg 1437w, https:\/\/freematics.com\/pages\/wp-content\/uploads\/2022\/07\/mppt_parallel.jpg 1668w\" sizes=\"auto, (max-width: 718px) 100vw, 718px\" \/><\/a><figcaption class=\"wp-element-caption\"><em>Parallel Mode Connection Diagram (necessary isolators not shown)<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>Step 1 &#8211; Connecting solar panels<\/strong><\/p>\n\n\n\n<p>Connect the output of each group of solar panel(s) to one charge controller. Be very aware to connect +\/- correctly.<\/p>\n\n\n\n<p><strong>Step 2 &#8211; Adjusting output voltage<\/strong><\/p>\n\n\n\n<p>Press +\/- buttons to adjust the output voltage of each charge controller to the fully charged voltage of the battery and then press OK button to store the value.<\/p>\n\n\n\n<p><strong>Step 3 &#8211; Connecting batteries<\/strong><\/p>\n\n\n\n<p>Connect the battery +\/- lines of each charge controller to the same battery. Be very aware to connect +\/- correctly.<\/p>\n\n\n\n<p><strong>Note: Parallel connection with charge controllers of other brands is not guaranteed to work.<\/strong><\/p>\n\n\n\n&nbsp;\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Specifications<\/strong><\/h1>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<p>Supported Batteries<\/p>\n\n\n\n<p>Input Solar Panel Open-circuit Voltage<\/p>\n\n\n\n<p>Maximum Power Point Voltage<\/p>\n\n\n\n<p>Maximum Output Power<\/p>\n\n\n\n<p>Maximum Output Current<\/p>\n\n\n\n<p>Idle Overhead<\/p>\n\n\n\n<p>MPPT Conversion Rate<\/p>\n\n\n\n<p>Output Short-circuit Protection<\/p>\n\n\n\n<p>Output Reverse Connection Protection<\/p>\n\n\n\n<p>Output Under-Voltage Protection<\/p>\n\n\n\n<p>Over-Current Protection<\/p>\n\n\n\n<p>Over-Heating Protection<\/p>\n\n\n\n<p>Waterproof Rating<\/p>\n\n\n\n<p>Working Temperature<\/p>\n\n\n\n<p>Enclosure Dimensions<\/p>\n\n\n\n<p>Weight<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<p>Any types (lithium, lipo, gel, lead acid) with a full charge voltage between 8.4V and 30V<\/p>\n\n\n\n<p>21V-55V<\/p>\n\n\n\n<p>17V-55V<\/p>\n\n\n\n<p>400W<\/p>\n\n\n\n<p>15A<\/p>\n\n\n\n<p>0.35W<\/p>\n\n\n\n<p>99%<\/p>\n\n\n\n<p>Yes<\/p>\n\n\n\n<p>No<\/p>\n\n\n\n<p>Yes<\/p>\n\n\n\n<p>Yes<\/p>\n\n\n\n<p>Yes<\/p>\n\n\n\n<p>IP66<\/p>\n\n\n\n<p>-40-65\u00b0C<\/p>\n\n\n\n<p>120x80x40mm<\/p>\n\n\n\n<p>490g<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Warranty<\/strong><\/h1>\n\n\n\n<p>This product comes with one-year replacement warranty. Please be cautious reversed connection of input could damage the product and will void the warranty.<\/p>\n\n\n\n<p>&nbsp;<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Links<\/strong><\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a rel=\"noreferrer noopener\" href=\"https:\/\/en.wikipedia.org\/wiki\/Maximum_power_point_tracking\" target=\"_blank\">Maximum power point tracking &#8211; Wikipedia<\/a><\/li>\n\n\n\n<li><a rel=\"noreferrer noopener\" href=\"https:\/\/en.wikipedia.org\/wiki\/Solar_micro-inverter\" target=\"_blank\">Solar micro inverter &#8211; Wikipedia<\/a><\/li>\n\n\n\n<li><a rel=\"noreferrer noopener\" href=\"https:\/\/x-engineer.org\/dc-dc-converter\/\" target=\"_blank\">DC-DC conversion efficiency explained<\/a><\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Order<\/strong><\/h1>\n\n\n\n<div id='collection-component-1669525168760'><\/div>\n<script type=\"text\/javascript\">\n\/*<![CDATA[*\/\n(function () {\n  var scriptURL = 'https:\/\/sdks.shopifycdn.com\/buy-button\/latest\/buy-button-storefront.min.js';\n  if (window.ShopifyBuy) {\n    if (window.ShopifyBuy.UI) {\n      ShopifyBuyInit();\n    } else {\n      loadScript();\n    }\n  } else {\n    loadScript();\n  }\n  function loadScript() {\n    var script = document.createElement('script');\n    script.async = true;\n    script.src = scriptURL;\n    (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(script);\n    script.onload = ShopifyBuyInit;\n  }\n  function ShopifyBuyInit() {\n    var client = ShopifyBuy.buildClient({\n      domain: 'freematics-shop.myshopify.com',\n      storefrontAccessToken: '7bbc6fc6fbf5124223acd98830066ff7',\n    });\n    ShopifyBuy.UI.onReady(client).then(function (ui) {\n      ui.createComponent('collection', {\n        id: '428906152236',\n        node: document.getElementById('collection-component-1669525168760'),\n        moneyFormat: '%24%7B%7Bamount%7D%7D',\n        options: {\n  \"product\": {\n    \"styles\": {\n      \"product\": {\n        \"@media (min-width: 601px)\": {\n          \"max-width\": \"calc(33.33333% - 30px)\",\n          \"margin-left\": \"30px\",\n          \"margin-bottom\": \"50px\",\n          \"width\": \"calc(33.33333% - 30px)\"\n        },\n        \"img\": {\n          \"height\": \"calc(100% - 15px)\",\n          \"position\": \"absolute\",\n          \"left\": \"0\",\n          \"right\": \"0\",\n          \"top\": \"0\"\n        },\n        \"imgWrapper\": {\n          \"padding-top\": \"calc(75% + 15px)\",\n          \"position\": \"relative\",\n          \"height\": \"0\"\n        }\n      }\n    },\n    \"text\": {\n      \"button\": \"Add to cart\"\n    }\n  },\n  \"productSet\": {\n    \"styles\": {\n      \"products\": {\n        \"@media (min-width: 601px)\": {\n          \"margin-left\": \"-30px\"\n        }\n      }\n    }\n  },\n  \"modalProduct\": {\n    \"contents\": {\n      \"img\": false,\n      \"imgWithCarousel\": true,\n      \"button\": false,\n      \"buttonWithQuantity\": true\n    },\n    \"styles\": {\n      \"product\": {\n        \"@media (min-width: 601px)\": {\n          \"max-width\": \"100%\",\n          \"margin-left\": \"0px\",\n          \"margin-bottom\": \"0px\"\n        }\n      }\n    },\n    \"text\": {\n      \"button\": \"Add to cart\"\n    }\n  },\n  \"option\": {},\n  \"cart\": {\n    \"text\": {\n      \"total\": \"Subtotal\",\n      \"button\": \"Checkout\"\n    }\n  },\n  \"toggle\": {}\n},\n      });\n    });\n  }\n})();\n\/*]]>*\/\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Freematics DC-DC MPPT Charge Controller comes with a rugged, weatherproof and fanless design which makes it suitable to be installed in outdoor settings or any vehicles. It adapts any solar panels (up to 55V) to any types of batteries (8.4-30V) at an optimum charging performance. Being able to work standalone or in parallel, it is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":5417,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-7647","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/freematics.com\/pages\/wp-json\/wp\/v2\/pages\/7647","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/freematics.com\/pages\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/freematics.com\/pages\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/freematics.com\/pages\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/freematics.com\/pages\/wp-json\/wp\/v2\/comments?post=7647"}],"version-history":[{"count":40,"href":"https:\/\/freematics.com\/pages\/wp-json\/wp\/v2\/pages\/7647\/revisions"}],"predecessor-version":[{"id":7925,"href":"https:\/\/freematics.com\/pages\/wp-json\/wp\/v2\/pages\/7647\/revisions\/7925"}],"up":[{"embeddable":true,"href":"https:\/\/freematics.com\/pages\/wp-json\/wp\/v2\/pages\/5417"}],"wp:attachment":[{"href":"https:\/\/freematics.com\/pages\/wp-json\/wp\/v2\/media?parent=7647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}