Sanyo eneloop Mobile USB Booster for iPhone, iPod, PSP, Cell Phones and All USB Powered Devices High Capacity Lithium-Ion batteries. Light Weight & Compact. 2 USB Powerd Outports. Can be recharged via AC adapter (wall plug) or any USB terminal of a personal computer. Includes: 1 eneloop mobile booster, 1 AC Adapter and 1 USB power cables.