{"product_id":"cn3791-mppt-solar-charger-board-adjustable-3-7v-18650-lithium-battery-charger-with-overvoltage-protection","title":"CN3791 MPPT Solar Charger Board – Adjustable 3.7V 18650 Lithium Battery Charger with Overvoltage Protection","description":"\u003cp\u003eBuild a more efficient solar charging setup with this \u003cstrong\u003eCN3791 MPPT Solar Lithium Battery Charger Board\u003c\/strong\u003e. Designed for compatible single-cell lithium battery applications, this compact charging module uses MPPT technology to help make better use of available solar power while providing regulated charging.\u003c\/p\u003e\n\u003cp\u003eIt's a useful component for DIY electronics, portable solar projects, battery-powered devices, and custom energy systems.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMPPT Solar Charging\u003c\/strong\u003e — CN3791-based charging technology helps optimize power harvested from compatible solar panels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLithium Battery Charging\u003c\/strong\u003e — Designed for compatible single-cell lithium battery applications, including 3.7V-class rechargeable batteries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdjustable Charging Configuration\u003c\/strong\u003e — Suitable for DIY projects requiring customized charging parameters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOvervoltage Protection\u003c\/strong\u003e — Helps protect the connected charging system from excessive voltage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact Circuit Board\u003c\/strong\u003e — Small module design makes it easy to integrate into custom electronics projects.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDIY-Friendly\u003c\/strong\u003e — Suitable for electronics enthusiasts, hobbyists, and custom battery-powered applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEfficient Power Management\u003c\/strong\u003e — Designed to regulate solar-generated power for compatible lithium battery charging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel \/ Controller:\u003c\/strong\u003e CN3791\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e MPPT Solar Lithium Battery Charger Board\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Lithium Battery Charger Board\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Compatible Single-Cell Lithium Battery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Class:\u003c\/strong\u003e 3.7V Lithium Battery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFunction:\u003c\/strong\u003e Solar Charging \/ Voltage Regulation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtection:\u003c\/strong\u003e Overvoltage Protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e REALPOY\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis charging board can be incorporated into compatible \u003cstrong\u003eDIY solar chargers, portable power projects, battery-powered electronics, custom energy systems, and experimental electronics builds\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eImportant Compatibility Notice\u003c\/h3\u003e\n\u003cp\u003eThis is a \u003cstrong\u003ebare electronic charging module\u003c\/strong\u003e, not a complete solar charger or battery pack. Verify the solar panel specifications, battery chemistry, voltage, charging requirements, polarity, and module configuration before connecting components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned for DIY projects and compatible lithium battery charging applications.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Everydayhometechstore","offers":[{"title":"12V","offer_id":46650238435430,"sku":"14:351074#12V","price":15.99,"currency_code":"USD","in_stock":true},{"title":"9V","offer_id":46650238468198,"sku":"14:350852#9V","price":15.99,"currency_code":"USD","in_stock":true},{"title":"6V","offer_id":46650238500966,"sku":"14:1202#6V","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6887\/0758\/files\/Sc63dad1739ef42bab39399baa36e9ac1B.webp?v=1787759185","url":"https:\/\/alumnaro.com\/products\/cn3791-mppt-solar-charger-board-adjustable-3-7v-18650-lithium-battery-charger-with-overvoltage-protection","provider":"Alumnaro","version":"1.0","type":"link"}