The PNY T5200 PowerPack is a universal rechargeable battery designed to provide you power wherever or whenever you need it. A fully charged 5200 PowerPack can recharge most smartphones up to three times. Ideal for charging your Apple, Android, Windows, and BlackBerry devices. Free yourself from the wall. Power on the go. Sleek, slender and durable design for everyday use. Not to mention safe and reliable with premium rechargeable lithium ion battery engineered with the high quality battery cells. Compatible with smartphones & USB charging mobile devices handsets. Manufacturers 2 Year (1 year fabric) guarantee.