{"product_id":"12v-mppt-solar-panel-controller-cn3722-3s-lithium-li-ion-18650-battery-charge-controller-module","title":"12V MPPT Solar Panel Controller CN3722 3S Lithium Li-ion 18650 Battery Charge Controller Module","description":"\u003cmeta name=\"description\" content=\"Buy 12V MPPT Solar Panel Controller CN3722 3S Lithium Liion 1865 online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003e12V MPPT Solar Panel Controller CN3722 3S Lithium Li-ion 18650 Battery Charge Controller Module\u003c\/h1\u003e\n\n\u003cp\u003e\u003cstrong\u003ePremium Solar Charging Solution from The Tech Depot, Bengaluru\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFast shipping 7-day warranty on manufacturing defects 24\/7 expert support\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe CN3722 is a high-efficiency MPPT (Maximum Power Point Tracking) solar charge controller specifically designed for 3S lithium-ion battery systems. This intelligent module optimizes solar panel output to deliver maximum charging efficiency, making it ideal for off-grid solar applications, portable power systems, and renewable energy projects.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eMPPT Technology\u003c\/strong\u003e - Automatically tracks maximum power point for 30-40% more efficiency than standard PWM controllers\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3S Li-ion Compatible\u003c\/strong\u003e - Perfectly calibrated for 3-cell lithium 18650 battery packs (9-12.6V nominal)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e12V System Rated\u003c\/strong\u003e - Handles 12V solar panels and battery configurations\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompact Design\u003c\/strong\u003e - Small form factor ideal for space-constrained applications\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSmart Protection\u003c\/strong\u003e - Over-charge, over-discharge, short-circuit, and temperature protection\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLED Indicators\u003c\/strong\u003e - Real-time status monitoring\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWide Input Range\u003c\/strong\u003e - Compatible with various solar panel voltages\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eParameter\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6-60V (Solar Panel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V (3S Li-ion nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 20A (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e95%+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOver-voltage, Over-current, Over-temperature, Reverse polarity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10 degreesC to +60 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompact PCB module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLightweight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhy Choose This Controller?\u003c\/h2\u003e\n\n\u003ch3\u003eMaximum Efficiency\u003c\/h3\u003e\n\u003cp\u003eMPPT algorithm extracts up to 40% more power from solar panels compared to traditional PWM controllers, reducing charging time significantly.\u003c\/p\u003e\n\n\u003ch3\u003eLithium-Optimized\u003c\/h3\u003e\n\u003cp\u003ePurpose-built for 3S Li-ion battery chemistry with proper charging curves and cell balancing protection.\u003c\/p\u003e\n\n\u003ch3\u003eReliable \u0026amp; Safe\u003c\/h3\u003e\n\u003cp\u003eMultiple protection layers prevent damage to batteries and connected devices-ideal for unattended remote installations.\u003c\/p\u003e\n\n\u003ch3\u003eAuthentic \u0026amp; Verified\u003c\/h3\u003e\n\u003cp\u003e100% original product sourced directly from authorized distributors with full authentication.\u003c\/p\u003e\n\n\u003ch3\u003eExpert Support\u003c\/h3\u003e\n\u003cp\u003eGet technical guidance from electronics professionals via email and WhatsApp (24\/7).\u003c\/p\u003e\n\n\u003ch2\u003eApplications \u0026amp; Project Ideas\u003c\/h2\u003e\n\n\u003ch3\u003eDIY \u0026amp; Hobbyist Projects\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePortable solar power banks\u003c\/li\u003e\n\u003cli\u003eOff-grid cabin power systems\u003c\/li\u003e\n\u003cli\u003eSolar-powered IoT devices\u003c\/li\u003e\n\u003cli\u003eEmergency backup power systems\u003c\/li\u003e\n\u003cli\u003eDrone battery charging stations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProfessional \u0026amp; Commercial\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSolar energy storage systems\u003c\/li\u003e\n\u003cli\u003eRV\/Camper power management\u003c\/li\u003e\n\u003cli\u003eBoat\/Marine solar installations\u003c\/li\u003e\n\u003cli\u003eIndustrial remote monitoring systems\u003c\/li\u003e\n\u003cli\u003eTelecom tower backup power\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eEducational \u0026amp; Learning\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRenewable energy courses\u003c\/li\u003e\n\u003cli\u003eElectronics engineering projects\u003c\/li\u003e\n\u003cli\u003eSolar technology demonstrations\u003c\/li\u003e\n\u003cli\u003eSkill development workshops\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eIn the Box:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCN3722 MPPT Solar Controller Module\u003c\/li\u003e\n\u003cli\u003eTechnical datasheet and user manual\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003cli\u003eEmail\/WhatsApp support access\u003c\/li\u003e\n\u003cli\u003eWarranty documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eShipping \u0026amp; Delivery\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eFast Delivery:\u003c\/strong\u003e 7-8 days to most of India from Bengaluru warehouse\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLocation:\u003c\/strong\u003e The Tech Depot, Bengaluru\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSecure Packaging:\u003c\/strong\u003e Professional packaging to prevent damage\u003c\/p\u003e\n\n\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e - Verified from authorized suppliers\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7-day warranty on manufacturing defects\u003c\/strong\u003e - Full manufacturer coverage\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuality Tested\u003c\/strong\u003e - Each unit tested before shipment\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Technical team available 24\/7\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this controller compatible with my 3S Li-ion battery pack?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, the CN3722 is specifically designed for 3S lithium-ion systems (9-12.6V nominal). It includes proper charging curves and protection for Li-ion chemistry.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat's the difference between MPPT and PWM controllers?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eMPPT controllers track the maximum power point of your solar panel in real-time, delivering 30-40% more charging power than PWM controllers. They're more efficient but slightly more expensive-worth it for larger systems.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCan I use this with different solar panel voltages?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes! The CN3722 accepts input from 6-60V solar panels, making it compatible with various panel configurations (12V, 24V, 36V panels can all be used).\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eAbsolutely. We source directly from authorized distributors with full authentication verification. Every unit is tested before shipment.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat warranty do I get?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e7-day warranty on manufacturing defects covering all defects in materials and workmanship. Free replacement or refund for defective units within 7 days.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eHow fast is shipping?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e7-8 days to most locations in India from our Bengaluru warehouse. Express shipping options available.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eDo you provide technical support?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes! Full technical support via email and WhatsApp 24\/7. Our electronics experts can help with installation, troubleshooting, and optimization.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat's your return policy?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only with full refund\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eBuy 12V MPPT Solar Panel Controller CN3722 3S Lithium Li-ion 18650 Battery Charge Controller Module Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003e12V MPPT Solar Panel Controller CN3722 3S Lithium Li-ion 18650 Battery Charge Controller Module\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003e12V MPPT Solar Panel Controller CN3722 3S Lithium Li-ion 18650 Battery Charge Controller Module\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003e12V MPPT Solar Panel Controller CN3722 3S Lithium Li-ion 18650 Battery Charge Controller Module\u003c\/strong\u003e at the best price in India? The Tech Depot offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48745162965249,"sku":"TTD-14937","price":628.59,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/6497f71de869103ee0eec99c4b3a4cf8.jpg?v=1778082665","url":"https:\/\/techdepot.in\/products\/12v-mppt-solar-panel-controller-cn3722-3s-lithium-li-ion-18650-battery-charge-controller-module","provider":"Tech Depot India","version":"1.0","type":"link"}