This Portable Power Battery with Built-in Cables & Flashlight (7,800mAh) is packed with power to charge your devices. Never worry about running out of power again with 7,800mAh and built-in micro USB cable for charging micro-USB-powered devices. Also features is a built-in USB cable for charging the battery itself, a charge indicator LED, built-in flashlight, a 2.4A USB port and 1A USB AC adapter. This backup battery provides up to 220 hours of power and up to 35 hours of talk time so you can be sure you are prepared wherever you go.