Power8tor Portable Charger 4400mAh External Battery Power Bank for iPhone, Samsung, Motorola, Nokia, HTC and LG - Black Excellent quality with a 12-month hassle free warranty Powerful and rechargeable 4400 mAh lithium ion battery, enough to charge most smartphones 1-2 times US-based company allows us to provide prompt customer service and individual attention Compatible with iPhone, Samsung, Nokia, Motorola, LG, and HTC Stylish and compact, easily fits into a pocket