This rechargeable battery from Fenix is particularly suitable for use in high-performance flashlights. The battery has a voltage of 3.6 V and a capacity of 3500 mAh. With triple protection against overheating, overcharging, and over-discharging, the battery is safe to use and delivers reliable performance. Ideal for Fenix flashlights such as the PD35, PD32, TK11, TK12, TK15, TK30, and TK35.