Amazon.com: KMD PSP 1000 Fat Rechargeable Battery Pack : Video Games
If you own a PSP, you might want to uh, make sure your battery isn't expanding – Destructoid
Amazon.com: Tomee Battery for PSP (3000 and 2000 Models) : Video Games
Portable Emergency AA Battery Charger Extender suitable for the Sony PSP-3001 Playstation Portable Slim - with Gomadic Brand TipExchange Technology - Walmart.com
Sony apparently puts PSP Extended Life Battery Kit back on sale | Engadget
OSTENT 2200mAh 3.6V Lithium Ion Li-ion Polymer Rechargeable Battery Pack Replacement Upgraded Version for Sony PSP 1000 PSP-280 Console Video Games
Amazon.com: Generic 3.6V 3600mAh Battery Pack for Sony PSP 1000 : Video Games
PSP Extended Life Battery gets extended life | Engadget
Amazon.com: XPS 3.7V 930mAh Replacement Battery for PSP-NA1006, PSP-N100, PSP GO PN 4-000-597-01, LIP1412 : Video Games
PSP Go Battery Life A Bit Less Than PSP-3000 - Siliconera
Bought this psp for 27$, its battery life only lasts for 30 minutes. Can it mod battery like the big psp? Thank you very much. : r/PSP
Sony: New PSP Battery Life Same As "Old" PSP Battery Life - Giant Bomb
PSP battery discontinuation indicates owners are pleased with battery life? – Destructoid
Classic Game Room HD - PSP EXTENDED LIFE BATTERY KIT review - YouTube
PSP Go battery life worse than PSP-3000 | TechCrunch