Swiss Mobility Power Pack 10000 features a rechargeable 10,000mAh lithium-ion battery with dual 2.1 Amp ports (4.2 Amp total output) for charging iPhone, iPad, Android devices, cameras, e-book readers and other USB devices. Its compact design also features an LED flashlight, battery life indicator, and lanyard slot. Over 40 hours of additional talk time and up to 1500 hours stand-by time. Includes micro USB charging cable.