Nitecore NBP68HD Li-Ion Rechargeable Battery Pack for Nitecore TM38, TM28, TM15, TM26, TM36 Flashlights (8 x 18650) Pen the X5’s reliable performance makes

the X5’s reliable performance makes it perfect for long-term duty

Measuring capacity: 23:59'59

meets military specs and is rated to break at 550 lbs of stress (200 lbs for the outer sleeve and 50 lbs for each inner strand)

Low battery warning ✓

OAL: 18 1/8"

Nitecore NBP68HD Li-Ion Rechargeable Battery Pack for Nitecore TM38, TM28, TM15, TM26, TM36 Flashlights (8 x 18650) Pen the X5’s reliable performance makesNitecore NBP68HD battery pack is designed for the Tiny Monster TM28 and compatible with other flashlights in Tiny Monster series such as the TM15, TM26 or TM36. This impressive battery pack has the power of eight 18650 batteries, doubling the run time of your light. Features: Double TM series flashlight run time with 8 built in 3400mAh 18650 batteries. Two ways to charge: charge through flashlight, charge by itself using TM15, TM26 or TM36 A C power