NBP52 has been discontinued and replaced by the NBP68HP model (Click to go to the new product page)

Nitecore NBP52 battery pack is designed to extend the battery runtime of Tiny Monster TM26 and TM15 by two times.

Features:

• Double TM series flashlight runtime with 8 built-in 18650 batteries.
• Two ways to charge: charge through flashlight, charge by itself using TM26 TM15 A/C power adapters.

Spicification:

• Capacity: 65 W (8 x 2300mAh)
• Voltage: 3.7V
• Charging current : 2A
• Weight: 20oz (565g)
• Size: diameter 2" (50mm), length:6.2" (157mm)