OLIGHT Eelectric Battery 750mah 14500 3.7V Protected (2 mm Longer Than Standard Batteries) Rechargeable Li-ion Batteries for Camera S15 LED Flashlight Torch LD11 SK68 Q5 J5 EA11 Set of 2 Chemistry: Li-ion Capacity (mAh): 750 Voltage: 3.7V Chemistry: Li-ion Capacity (mAh): 75Maximum Charge Current: 750mA (1C). Maximum Discharge Current: 1500mA (2C) Charge Current: 350mA (0.5C) Charging Cycle: 500 times Dimensions: Dia14.4mm,Length 52.4mm(D x H) ATTENTIONS PLEASE , this battery longer than standard battery 2 mm .