PNY AD20800 20800mAh 1A/1A/2.1A/2.4A Power Pack, Silver (P-B-20800-48-S02-RB) STAY CHARGED: High 20800mAh capacity provides up to 13 charges for your mobile device when you need it most! Works with Apple iPhone, Samsung Galaxy, Nexus, HTC One, Motorola Moto, LG, BlackBerry, and other Android and Windows Smartphones and Tablets Sleek, aluminum design with digital display that provides exact battery charge remaining. Integrated LED light allows the Power Pack to double as a flashlight for emergency situations. Four Universal USB ports with 1 Amp, 1 Amp, 2.1 Amp, & 2.4 Amp outputs (4.8 Amp max) charge 4 devices simultaneously. 2 Amp input re-charges the Power Pack in half the time. Micro-USB cable included for charging devices and the Power Pack Safe & Reliable: Premium rechargeable Lithium Ion battery engineered with the highest quality battery cells Trusted Brand: Global Memory Leader for 30 Years Best in the market 3- Year Warranty, and 24/7 Free Technical Support