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 battery Unique structural design for better impact-resistant. Brand:WUBEN Model: WBBT2600TWO Capacity: 2600mAh Voltage: 3.7V Charging current: Recommended: 1A, Max: 2A Weight: 49g Length: 69mm Diameter: 18.5mm Warranty period: 12-month free warranty period since the purchase date