Li-ion battery 14500 3.7V 700mAh used for two way radio,  bluetooth speaker S/N Details Parameters Remarks 1 Rated voltage 3.7V 2 Rated capacity 700mAh discharge with 0.2C to 2.75V after fully charge within 1h, measuring the discharge time 3 Limited charge voltage 4.2V 4 Internal resistance ≤80mΩ 5 charge mode C.C/C.V. 6 Standard charge current 140mA 0.2C 7 Max Charge Current 700mA 1C 8 Standard discharge current 140mA 0.2C 9 Max Discharge current Continuous：700mA 1C 10 Working temperature charging 0~45℃ discharging -10~60℃ 11 Storage temperature 1 Month -10~45℃ Charge to 40%~50% of capacity when storage 6 months -10~30℃ 12 Storage humidity 45%~75％ relative humidity 13 Weight Approx 16g 14 Cycle life 300 times capacity≥80%