SOFIRN 21700 3.7V 5000mAh LED Flashlight Battery High Capacity Suitable for flashlights and other devices

Specifications:Brand: SOFIRNQuantity : 1pcsBattery Type: Li-ion batterySize Type: 21700Battery Capacity: 5000mAh(Standard), 4900mAh(minimun)Battery Voltage: 3.6VMAX Discharge Current: 10A (but it can handle max 15A)Diameter: 21,7mm ± 0,2mmLength: 70,9mm ± 0,2mmWeight: 72g ± 4gNominal capacity: 5000mAh at 0.2C discharge currentMinimum voltage: 2.50VMaximum voltage: 4.20V ± 0.03VStandard charge current: 0.2C (1000mA)Maximum charge current: 0.7C (3500mA)Maximum discharge current: 2C (10000mA)Initial internal impedance: ≤ 30mΩ High quality and durableProvides excellent continuous power sources to your deviceHigh energy density, long life batteryIt is good both in low and high temperature perations