Nitecore NL2150HPI 5000mAh Rechargeable Battery for i Series Flashlights (P20i, P20iX, SRT6i, etc) Harpoon Point emitting a powerful 1600-lumen beam

emitting a powerful 1600-lumen beam that reaches up to 170 yards

Shock-absorbing black Santoprene handle for a secure grip

Teflon® finish for stain and soil resistance

while the stonewashed finish hides scratches from everyday work

Fits flashlights with diameter of 18mm-28mm

Nitecore NL2150HPI 5000mAh Rechargeable Battery for i Series Flashlights (P20i, P20iX, SRT6i, etc) Harpoon Point emitting a powerful 1600-lumen beamThe next generation 21700 customized rechargeable battery from NITECORE, the NL2150HPi has an amazing 5000mAh capacity. This powerful battery has improved performance, and superior energy density compared to previous 18650 batteries. Specifically designed for the i4000R, the "i" series batteries can work with any other NITECORE flashlight that accepts 21700 batteries. An extra 21700 is a great backup battery to have on hand, as more electronic