{"product_id":"mppt-li-ion-cn3791-charger-board","title":"MPPT Li-Ion CN3791 Charger Board","description":"\u003cp\u003e\u003cstrong\u003eThe MPPT Li-Ion CN3791 Charger Board provides efficient solar charging for Li-Ion batteries, with MPPT technology, support for 6V–18V solar inputs and simple spring-terminal and JST connections.\u003c\/strong\u003e\u003c\/p\u003e \u003chr\u003e \u003cp\u003eIntroducing our \u003cstrong\u003eMPPT Li-Ion CN3791 Charger Board\u003c\/strong\u003e, your solution for \u003ca href=\"\/collections\/solar-panels-and-management-boards\" title=\"Solar Panels and Management Boards\"\u003esolar\u003c\/a\u003e energy to power your electronics. Designed for hobbyists, makers, and professionals, this board simplifies efficient and reliable Li-Ion battery charging via solar panels.\u003c\/p\u003e \u003cp\u003eSimply connect one of our \u003cstrong\u003eLi-Ion batteries\u003c\/strong\u003e and a \u003cstrong\u003esolar panel\u003c\/strong\u003e and your project is now solar-powered! The battery acts as an accumulator and will continue powering your projects even when the sun isn't shining, and when it is, your battery will be charging! Its compact form factor and user-friendly design make it ideal for integrating into a wide range of projects, from portable devices to off-grid sensor nodes, ensuring your creations stay powered sustainably.\u003c\/p\u003e \u003cp\u003eAt its core, the \u003cstrong\u003eCN3791\u003c\/strong\u003e \u003cstrong\u003echip\u003c\/strong\u003e delivers charging algorithms tailored for Li-Ion batteries, guaranteeing precise control, maximum efficiency, and safety. The board features quick-connect spring terminals for effortless solar panel and battery integration, alongside a \u003cstrong\u003eJST\u003c\/strong\u003e \u003cstrong\u003econnector\u003c\/strong\u003e compatible with our extensive range of Li-Ion \u003ca href=\"\/collections\/batteries\" title=\"Batteries\"\u003ebatteries\u003c\/a\u003e. This thoughtful design ensures seamless setup and performance, making it a great choice for demanding applications.\u003c\/p\u003e \u003cp\u003eDesigned and manufactured in the EU, our MPPT Li-Ion CN3791 charger board adheres to the highest quality and safety standards. Our open-source principles with detailed documentation and technical support empower your innovation. Whether you're building an \u003ca href=\"\/collections\/arduino-store\" title=\"Arduino Store\"\u003eArduino\u003c\/a\u003e-powered weather station or a custom solar-powered \u003ca href=\"\/collections\/adafruit-robotics-cnc\" title=\"Robotics \u0026amp; CNC\"\u003erobot\u003c\/a\u003e, this board offers the reliability, performance, and community backing you need to bring your ideas to life.\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eMPPT Li-Ion charging controller with CN3791 chip\u003c\/li\u003e \u003cli\u003eEfficient solar panel to Li-Ion battery charging\u003c\/li\u003e \u003cli\u003eCompact form factor ideal for portable and off-grid projects\u003c\/li\u003e \u003cli\u003eQuick-connect spring terminals for solar panels\u003c\/li\u003e \u003cli\u003eJST connector compatible with extended Li-Ion battery range\u003c\/li\u003e \u003cli\u003ePrecise charging algorithms for maximum efficiency and safety\u003c\/li\u003e \u003cli\u003eBattery accumulator for continuous power when sun is unavailable\u003c\/li\u003e \u003cli\u003eDesigned and manufactured in the EU\u003c\/li\u003e \u003cli\u003eOpen-source design with detailed documentation\u003c\/li\u003e \u003cli\u003eTechnical support and community backing included\u003c\/li\u003e \u003cli\u003eSuitable for weather stations, sensors, robotics, and custom projects\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eSpecifications\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eEfficient MPPT Charging - Built around the CN3791 IC for maximum power point tracking and optimized Li-Ion battery charging.\u003c\/li\u003e \u003cli\u003eWide Solar Input Range - Supports 6V, 9V, 12V, 18V solar inputs\u003c\/li\u003e \u003cli\u003eSafe \u0026amp;amp; Reliable - Integrated charging algorithms ensure precise control, efficiency, and battery protection.\u003c\/li\u003e \u003cli\u003eUser-Friendly Connections - Quick spring terminals for fast solar panel and battery hookup.\u003c\/li\u003e \u003cli\u003eJST Battery Connector - Plug-and-play support for a wide range of our Li-Ion batteries.\u003c\/li\u003e \u003cli\u003eCompact Design - Small 54 × 38 mm (2.1 × 1.5 inch) footprint for easy integration into projects.\u003c\/li\u003e \u003cli\u003eArduino \u0026amp;amp; Maker Friendly - Ideal for powering DIY electronics, sensor nodes, and portable projects.\u003c\/li\u003e \u003cli\u003eContinuous Power Supply - Battery storage ensures your project stays powered even without sunlight.\u003c\/li\u003e \u003cli\u003eOpen-Source \u0026amp;amp; Documented - Transparent design with detailed documentation and community support.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eResources\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\u003ca href=\"https:\/\/docs.soldered.com\/cn3791\/overview\/\" target=\"_blank\" rel=\"noopener\" title=\"Full product documentation\"\u003eFull product documentation\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/docs.soldered.com\/cn3791\/hardware\/\" target=\"_blank\" rel=\"noopener\" title=\"Hardware details\"\u003eHardware details\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/docs.soldered.com\/assets\/images\/mppt-charger-board-pinout-5c2ca04b03768ad9f21074df939e54e5.png\" target=\"_blank\" rel=\"noopener\" title=\"Pinout drawing\"\u003ePinout drawing\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003ePackage Contents\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1x MPPT Li-Ion CN3791 Charger Board\u003c\/li\u003e \u003c\/ul\u003e","brand":"Soldered Electronics","offers":[{"title":"Default Title","offer_id":56308214956417,"sku":"SOL-333136","price":13.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/1_5150281e-3970-43c2-97bc-1435c583e756.jpg?v=1790086447","url":"https:\/\/thepihut.com\/products\/mppt-li-ion-cn3791-charger-board","provider":"The Pi Hut","version":"1.0","type":"link"}