WUBEN 2600mAh High Capacity 18650 3.7V Rechargeable Li-ion Battery Cell compatible with L50 or C3 The high quality battery is 100% brand new with full of power.Built-in over-charge and over-discharge protection circuit ensure the max performance of the batteryUnique structural design for better impact-resistant. Brand:WUBEN Model: WBBT2600TWOCapacity: 2600mAhVoltage: 3.7VCharging current: Recommended: 1A, Max: 2AWeight: 49gLength: 69mmDiameter: 18.5mmWarranty period: 12-month free warranty period since the purchase date