PSP External Portable Battery Pack for $24.99

Clip on the PSP Portable Battery Pack and extent playing time by eight (8) additional hours, so you don't have to replace the battery in your PSP. This Portable Battery Pack works specifically with the PSP-2000 and PSP-3000. Just clip it on, plug it in to the charging port and the Portable Battery Pack immediately provides additional power while simultaneously re-charging the in-device battery.