{"title":"18650 3.7v li-ion rechargeable battery with charge protection","handle":"18650-3-7v-li-ion-rechargeable-battery-with-charge-protection","url":"/products/18650-3-7v-li-ion-rechargeable-battery-with-charge-protection","description":"A standard 18650 lithium-ion rechargeable battery with a built-in protection circuit for safe operation. The integrated PCB provides overcharge, over-discharge, and short-circuit protection, making it a reliable power source for electronics projects and portable devices.\n\nKey Features\n\n\n2500 mAh Capacity – Ample energy for extended runtime\n\n3.7 V Nominal Voltage – Standard Li-Ion output\n\nBuilt-In Protection Circuit – Overcharge, over-discharge, and short-circuit protection\n\n500+ Charge Cycles – Long service life with rechargeable design\n\nStandard 18650 Form Factor – 18 mm diameter × 65 mm length\n\n\nSpecifications\n\n\nChemistry: Li-Ion\n\nNominal Capacity: 2500 mAh\n\nNominal Voltage: 3.7 V\n\nProtection Circuit: Integrated (overcharge, over-discharge, short-circuit)\n\nCycle Life: ≥ 500 charge cycles\n\nOperating Temperature: -20°C to 60°C\n\n\nIdeal For\n\nArduino and ESP32 portable projects\nRobotics and DIY electronics\nLED torches and flashlights\nPower banks and battery packs\n\n\nPackage Contents\n\n1× 18650 3.7 V 2500 mAh Li-Ion rechargeable battery\n\n\n\nWarning: Do not short-circuit, puncture, incinerate, or expose to temperatures above 60°C. Use only with a compatible Li-Ion charger.\n","vendor":"Little Bird","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":239,"title":"Default Title","sku":"LB-LS1558","price":12.0,"compare_at_price":17.0,"on_sale":true,"in_stock":true,"available_quantity":140,"option1":"Default Title"}]}