Give your portable gaming devices and mobile devices a boost of power anywhere you go with the Portable Power Multi Battery Pack. The Portable Power Multi Battery Pack is a Lithium-ion battery pack that powers and charges Gameboy advance SP , Nintendo DS, Nintendo DS Lite, sony PSP 1000 and 2000 series and other mobile USB devices. Rated at 10,000 maH, You can enjoy up to 100 hours of back up power on your portable gaming devices or mobile devices. Thanks to its compact design, You can carry the Portable Power Multi Battery Pack anywhere you go with its light weight. You can also charge the Portable Power Multi Battery Pack on any open USB port, or connect it using an USB AC Adapter.You no longer have to worry about running out of battery on the road with the Portable Power Multi Batte.