{"product_id":"3-7v-1200mah-18650-battery","title":"3.7V 1200mAh 18650 Battery","description":"\u003cmeta name=\"description\" content=\"Buy 37V 1200mAh 18650 Battery 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```html\n\u003ch1\u003e3.7V 1200mAh 18650 Battery\u003c\/h1\u003e\n\u003cp\u003eHigh-performance rechargeable 18650 lithium-ion battery delivering 3.7V nominal voltage and 1200mAh capacity - ideal for flashlights, power banks, Arduino projects, and portable electronics. Available at The Engineer Store, Bengaluru with fast shipping and full warranty.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003e18650 Lithium-Ion (Li-ion) Rechargeable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e3.7V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e1200mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharge Voltage\u003c\/td\u003e\n\u003ctd\u003e4.2V (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDischarge Cut-off Voltage\u003c\/td\u003e\n\u003ctd\u003e2.75V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell Size\u003c\/td\u003e\n\u003ctd\u003e18mm diameter x 65mm length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChemistry\u003c\/td\u003e\n\u003ctd\u003eLithium-Ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCycle Life\u003c\/td\u003e\n\u003ctd\u003e500+ charge\/discharge cycles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e~40-45g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 degreesC to 60 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eBuilt-in overcharge, over-discharge \u0026amp; short-circuit protection (PCB protected)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable 3.7V Output:\u003c\/strong\u003e Stable nominal voltage throughout the discharge curve, ensuring consistent performance for sensitive electronics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1200mAh Capacity:\u003c\/strong\u003e Provides ample energy storage for hours of operation in portable devices, IoT nodes, and handheld tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 18650 Form Factor:\u003c\/strong\u003e Universal 18mm x 65mm cylindrical cell fits virtually all 18650 battery holders, sleds, and enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Protection Circuit:\u003c\/strong\u003e Integrated PCB guard against overcharge, over-discharge, overcurrent, and short circuits for safer operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500+ Cycle Life:\u003c\/strong\u003e Engineered for long-term reusability - recharge hundreds of times with minimal capacity degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Compact:\u003c\/strong\u003e Weighing only ~40g, it adds minimal bulk to portable and wearable projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Operates reliably from -20 degreesC to 60 degreesC, suitable for both indoor and outdoor deployments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Self-Discharge:\u003c\/strong\u003e Retains charge for extended periods when stored, ready to use when you need it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic cells sourced from trusted suppliers - no recycled or counterfeit units\u003c\/li\u003e\n\u003cli\u003eTested and quality-checked before dispatch from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery across India; same-day delivery available in Bengaluru\u003c\/li\u003e\n\u003cli\u003eExpert technical support to help you select the right charging module and integration approach\u003c\/li\u003e\n\u003cli\u003eCompetitive pricing with bulk discounts for volume orders\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eProject Ideas\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIY Power Bank:\u003c\/strong\u003e Combine multiple 18650 cells with a TP4056 charging module and boost converter to build a custom portable charger for smartphones and tablets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino \u0026amp; ESP32 Portable Projects:\u003c\/strong\u003e Power your microcontroller-based sensors, data loggers, or weather stations for hours of untethered operation in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Flashlight \/ Torch Build:\u003c\/strong\u003e Pair with a high-power LED driver to create a compact, rechargeable flashlight with adjustable brightness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar-Charged IoT Node:\u003c\/strong\u003e Use alongside a solar panel and BMS to create a self-sustaining remote sensor that harvests and stores energy autonomously.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobotics \u0026amp; RC Vehicles:\u003c\/strong\u003e Lightweight power source for small robots, drones, and remote-controlled cars where every gram matters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency Backup Systems:\u003c\/strong\u003e Integrate into UPS circuits for Raspberry Pi servers, security cameras, or communication modules to maintain uptime during power outages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLearning \u0026amp; Education:\u003c\/strong\u003e Perfect for students exploring battery chemistry, energy storage concepts, and safe lithium-ion handling practices in lab settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Companion Modules\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTP4056 Li-Ion Charger Module:\u003c\/strong\u003e Micro-USB or USB-C charging board with built-in protection - the easiest way to safely recharge your 18650 cell.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e18650 Battery Holder (1-slot \/ 2-slot \/ 4-slot):\u003c\/strong\u003e Snap-fit plastic holders with solder tabs or wire leads for quick, secure mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMT3608 Boost Converter:\u003c\/strong\u003e Step up the 3.7V output to 5V, 9V, or 12V for powering USB devices, LED strips, and motor drivers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMS (Battery Management System):\u003c\/strong\u003e Essential for multi-cell configurations - balances cells and prevents dangerous conditions during charge and discharge.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUsage \u0026amp; Safety Guidelines\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAlways charge with a dedicated\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy 3.7V 1200mAh 18650 Battery Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003e3.7V 1200mAh 18650 Battery\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\u003e3.7V 1200mAh 18650 Battery\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\u003e3.7V 1200mAh 18650 Battery\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":43773694181539,"sku":"TES-EV102339","price":94.34,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/57_a3aaf126-0cd5-4efb-af05-95f2180584b4.png?v=1701073880","url":"https:\/\/www.theengineerstore.in\/or\/products\/3-7v-1200mah-18650-battery","provider":"The Engineer Store","version":"1.0","type":"link"}