{"product_id":"2s-3a-li-ion-lithium-battery-7-4v-8-4v-18650-charger-protection-board-module","title":"2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module","description":"\u003cmeta name=\"description\" content=\"Buy 2S 3A Liion Lithium Battery 74V 84V 18650 Charger Protection online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003e2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module\u003c\/h1\u003e\n\n\u003cp\u003e\u003cstrong\u003ePremium Quality Electronics from The Engineer Store, 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\u003eThis \u003cstrong\u003e2S 3A Li-ion Battery Protection \u0026amp; Charging Board\u003c\/strong\u003e is a professional-grade module designed for dual 18650 lithium-ion battery packs. It provides integrated charging control, overcharge protection, overdischarge protection, and short-circuit safety-essential for safe and efficient battery management in portable devices and DIY projects.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 7.4V (nominal) \/ 8.4V (fully charged)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCharging Current:\u003c\/strong\u003e 3A maximum\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCell Configuration:\u003c\/strong\u003e 2S (2 cells in series)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Cells:\u003c\/strong\u003e 18650 Li-ion batteries\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeature\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2S Battery Protection \u0026amp; Charging Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6.0V - 8.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3A maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDischarge Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3A maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLi-ion 18650\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConfiguration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 cells in series (2S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOvercharge, overdischarge, short-circuit, overcurrent\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-20 degreesC to +65 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\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 coverage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupport\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp (24\/7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eWhy Choose This Product?\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003e100% Authentic\u003c\/strong\u003e - Sourced from trusted distributors with verification\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSafety First\u003c\/strong\u003e - Multi-layer protection against common battery hazards\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFast Shipping\u003c\/strong\u003e - 1-5 day shipping, 7-8 day delivery from Bengaluru warehouse\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExpert Support\u003c\/strong\u003e - Technical assistance available round-the-clock\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReliable Performance\u003c\/strong\u003e - Tested and trusted by professionals\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCost-Effective\u003c\/strong\u003e - Quality protection at competitive pricing\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Benefits\u003c\/h2\u003e\n\n\u003ch3\u003eProtection Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvercharge Protection\u003c\/strong\u003e - Prevents damage from excessive charging\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverdischarge Protection\u003c\/strong\u003e - Protects battery from deep discharge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort-Circuit Protection\u003c\/strong\u003e - Automatic cutoff on short circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvercurrent Protection\u003c\/strong\u003e - Limits discharge current to safe levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Monitoring\u003c\/strong\u003e - Safe operation within thermal limits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDesign Advantages\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompact form factor fits standard battery enclosures\u003c\/li\u003e\n\u003cli\u003eLow self-discharge rate for extended storage\u003c\/li\u003e\n\u003cli\u003eReliable MOSFET-based protection circuit\u003c\/li\u003e\n\u003cli\u003eEasy integration with charging systems\u003c\/li\u003e\n\u003cli\u003eDurable PCB design for long-term reliability\u003c\/li\u003e\n\u003c\/ul\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 power banks and USB chargers\u003c\/li\u003e\n\u003cli\u003eWireless headphones and speakers\u003c\/li\u003e\n\u003cli\u003eRC toys and drones\u003c\/li\u003e\n\u003cli\u003eLED flashlights and headlamps\u003c\/li\u003e\n\u003cli\u003eCustom electronics projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProfessional \u0026amp; Industrial Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBackup power systems\u003c\/li\u003e\n\u003cli\u003ePortable medical devices\u003c\/li\u003e\n\u003cli\u003eIndustrial handheld tools\u003c\/li\u003e\n\u003cli\u003eProfessional photography equipment\u003c\/li\u003e\n\u003cli\u003eCommercial IoT devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearning \u0026amp; Education\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eElectronics and battery management courses\u003c\/li\u003e\n\u003cli\u003eArduino and embedded systems projects\u003c\/li\u003e\n\u003cli\u003eStudent engineering projects\u003c\/li\u003e\n\u003cli\u003eTechnical skill development\u003c\/li\u003e\n\u003cli\u003eHands-on STEM learning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's Included in the Package\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eInside the Box:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1x 2S 3A Li-ion Battery Protection Board Module\u003c\/li\u003e\n\u003cli\u003eTechnical documentation and wiring diagram\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003cli\u003eSupport contact information\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect Battery Cells\u003c\/strong\u003e - Solder or connect two 18650 cells in series to the B+ and B- terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttach Load\u003c\/strong\u003e - Connect your device to the OUT+ and OUT- terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharge Safely\u003c\/strong\u003e - Use a compatible charger (3A max) on the CHG+ and CHG- terminals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitor\u003c\/strong\u003e - Board automatically manages all protection functions\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003e\u003cem\u003eDetailed wiring diagram included in documentation\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Support \u0026amp; Service\u003c\/h2\u003e\n\n\u003ch3\u003e24\/7 Customer Support\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmail:\u003c\/strong\u003e support@theengineerstore.in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhatsApp:\u003c\/strong\u003e Available for quick technical queries\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResponse Time:\u003c\/strong\u003e Within 2-4 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWarranty \u0026amp; Returns\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty Period:\u003c\/strong\u003e 1 year from purchase date\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoverage:\u003c\/strong\u003e Manufacturing defects and component failures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReturn Policy:\u003c\/strong\u003e 7-day returns for defective units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacement:\u003c\/strong\u003e Free replacement or full refund option\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eIs this board 100% authentic?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes, absolutely. All products are sourced from authorized distributors and verified for authenticity before shipment. We stand behind the quality of every component.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat type of charger do I need?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYou need a charger rated for 7.4V\/8.4V with maximum 3A output. The board includes protection, but using a proper charger ensures optimal performance and battery longevity.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCan I use this with different battery types?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThis board is specifically designed for 18650 Li-ion cells in a 2S configuration. Using other battery types may damage the board or create safety hazards.\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\u003eStandard shipping takes 7-8 days to most locations in India from our Bengaluru warehouse. Express options available for urgent orders.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhat warranty coverage is provided?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eWe offer a comprehensive 7-day warranty on manufacturing defects covering all defects in materials and workmanship. This includes protection circuit failures and PCB issues.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eDo you offer bulk\/wholesale pricing?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes! For orders of 10 units or more, we provide special wholesale discounts. Contact us via email or Wh\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eBuy 2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003e2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\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\u003e2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board 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\u003e2S 3A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board Module\u003c\/strong\u003e at the best price in India? The Engineer Store 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":"My Store","offers":[{"title":"Default Title","offer_id":43774700748963,"sku":"TES-EV8102265","price":156.36,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/2s-3a-BMS-2.jpg?v=1701086113","url":"https:\/\/www.theengineerstore.in\/zh-hant\/products\/2s-3a-li-ion-lithium-battery-7-4v-8-4v-18650-charger-protection-board-module","provider":"The Engineer Store","version":"1.0","type":"link"}