/Sofirn 4000mAh 40A 3.7V 10C Rechargeable Lithium Discharge 21700 strong power.

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Sofirn 21700 4000mAh Battery 40A 3.7V 10C Rechargeable Lithium Discharge 21700 Cell Poweful High Drain Battery for Flashlight Stock label Battery type:21700 4000mAh 10C Power Battery 4000-3900mAh Battery Discharge Current:40A Battery Capacity:4000mAh Battery Voltage:3.7V Sofirn Battery Feature High energy density/ Long cycle life/Wide application/High discharge rate Kaligtasan: Mahusay na paggamit ng paggamit at friendly sa kapaligiran Buhay: Excellent calendar and cycle life Mga Universal na Model na Mga Application Electric vehicle, Electric Bicycle, Tricycle, scooter, golf trolley, cart, wheelchairs, instrument, Solar supply system, solar panel, energy storage, electric tools, power tools, LED Flashlight/ lighting, toys, inverter, household appliances and emerging device area, etc.