EXTENDED 3.6V 3600mAh Li-ion Rechargeable BATTERY PACK For SONY PSP 1000 (Fat) (Old Skool)

The Old Skool Replacement Battery is compatible for ALL PSP 1000 models. Features include a rechargeable lithium-ion battery, allowing for longer battery life and quick charging, and is an ideal solution as a spare or a replacement battery for your PSP.