The Goal Zero Flip 24 Power Bank is a handy little gadget that gives you an extra full charge on your phone. It\'s handy for climbers, walkers and outdoor explorers who don\'t have access to mains while out in the great outdoors.The power bank has a USB input and output, meaning you can you can use your regular phone charging wire to charge your phone but plug it into the Flip 12 instead of the mains plug head. The USB tucks away when not in use to prevent damage so you can store it safely and conveniently in your kit. Weighing just 130 grams, you won\'t even notice it\'s in there. Ports: USB input and output - 5V, up to 2.1A (10.5W max), regulatedDesigned to give phones two full chargesFlip out USB - prevents damageWeight: 130gDimensions: 9.4 x 4.1 x 2.1 cmCompatible with Goal Zero Nomad 5 Solar Panel