NITECORE NL189 3400mAh Protected 18650 Rechargeable Li-ion Battery with EdisonBright BBX3 battery carry case. - Designed for TM26 TM16 TM06 SRT7 SRT6 P25 EC25 TK75 PD35 PD32 TK22 M21X BT20 M23 MH20 i4 and other High Drain DevicesA high performance rechargeable battery from Nitecore specially designed for high drain devices such as Nitecore TM series and other high power LED search light and tactical flashlights. Features: Nitecore 18650 3. 7V Protected Li ion rechargeable battery. Protected: Internal PCB protection prevents under voltage at 2. 5V and over voltage at 4. 25V. Capacity: 3400mAh Voltage: 3. 7V Chemistry: Li ion Recharge: up to 500 cycles Bundled with EdisonBright