Monoprice 5200mAh Battery Backup with LED Flashlight for iPhone/iPod and Other USB Mobile Devices - Retail Packaging - Silver Give your iPhone, Android smartphone, or other USB device a charge with this Battery Backup and LED Flashlight from Monoprice This battery backup features a 5200mAh capacity, which is enough to fully charge an iPhone at least two times Just plug your charging cable into the battery and it starts charging automatically