Portable Emergency AA Battery Charger Extender suitable for the Sony PSP-3001 Playstation Portable Slim - with Gomadic Brand TipExchange Technology
PSP owners beware: you might want to check your PlayStation Portable battery | TechRadar
2400mah external battery charger power storage| Alibaba.com
Gomadic High Capacity Rechargeable External Battery Pack suitable for the Sony PSP-3001 Playstation Portable Slim - Portable Charger with TipExchange - Walmart.com
SONY PSP EXTERNAL REPLACEMENT BATTERY AU$27.95 , FREE S
If you own a PSP, you might want to uh, make sure your battery isn't expanding – Destructoid
PlayStation Portable hardware - Wikipedia
Sony PSP 1001 Bundle w/ Charger, Extra Battery & Game Tested and in working condition. Comes with everything shown. PSP will be factory reset. Please for Sale in Elizabeth, NJ - OfferUp