Next-Gen 4000mAh 21700 Battery - Improved performance and superior energy density compared to previous 18650 batteries. An ideal companion for the all new lights using this new 21700 battery platform.

This NPB1 was made for exactly that purpose. QC 3.0 18W max output can quickly get your devices up and running no matter the weather conditions. Rain or freezing cold, this external powerbank was built to withstand anything you find yourself in.