Nitecore NBP68HD battery pack is designed for the Tiny Monster TM28 and compatible with another flashlight in Tiny Monster series such as the TM15, TM26 or TM36. This impressive battery pack has the power of eight 18650 battery, doubling the running time of your light.
● Double TM series flashlight running time with 8 built-in 3400mAh 18650 batteries
● Two ways to charge: charge through flashlight, charge by using TM15, TM26 or TM36 A / C power adapters
● Capacity: 98Wh
● Voltage: 3.7V
● Charging current: 2A or 4A