The popular Nitecore NB10000 is back with big improvements for the 2nd generation. This Gen2 power bank keeps its extraordinary 10,000mAh battery in a solid carbon fiber body frame. It's lighter than conventional power banks, with a thin, sleek minimalist design. The NB10000 is the ultimate portable backup battery charger for outdoor enthusiasts who enjoy trail running, hiking or camping, road warriors, or first responders. It is also a great addition to your emergency prep kit or bug-out-bag.