Whether traveling or enjoying outdoor adventures, keeping electronics charged for navigating is essential. Have the confidence you can do that whether rain or shine with a NITECORE NPB2 10,000MAH Waterproof Power Bank. This fast-charging power bank is only 4.15 inches long and weighs 7.5 ounces, making it lightweight and easy to store in a pocket. It runs on next-gen li-ion batteries and can charge up to two devices at the same time. Built for durability, it is waterproof up to 2m and has a drop resistance of 1m.