ThorFire 3.7V 14500 750mah Rechargeable Lithium Battery for LED flashlight Torch Pack of 2 14500 Li-ion rechargeable battery. High capacity of 750 mah. High energy density. Long life battery. IC protected design: with Re/discharging protection circuits. Safe to use. (ThorFire Protected button-top 14500 battery is a bit LONGER than other NON-Protected alternatives) High discharge rate performance. No memory effect. Provide continuous power source to your device. Compatible for most brand of flashlight, laser point, led torch, digital camera effect and other electronic devices Pack Dimensions: 4.8x1.3x1.3 cm