Make sure your smartphone stays fully charged, wherever you are, with the portable GP B-Series B05A 5000mAh PowerBank. It is small and lightweight, so you can fit it into your pocket or bag, and carry it around the whole day. This charger has a capacity of 5000mAh, which keeps you powered up when you need it most. When fully charged, the PowerBank can completely recharge your smartphone twice. It is universally compatible with all USB-powered devices, including Android and iOS smartphones and tablets, and its high-speed 2.1A output with built-in Smart IC ensures optimal charging speeds for different devices.