... -15~50°CBattery charging timeApprox 4 hours with universal charger,2hours for travel chargerPCBDual IC protectionBrand NameMing FengCompatible brandHuaweiCapacity1400mAhLifespan500 ... . 5. To prevent short circuit, never put it together with conductors, such as keys, coins, etc.6. Keep the ... surrounding if it's standby original capacity 1200mah for HUAWEI C8650 high quality cell phone battery