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If you own a PSP, you might want to uh, make sure your battery isn't expanding – Destructoid
Sony Playstation Psp S110 Battery | +led Usb 3 Slots Charger | Psp 2000 Slim Battery - Digital Batteries - Aliexpress
Amazon.com: TFSeven 2Pcs PSP-S110 1200mah Rechargeable Lithium Ion Replacement Sony PSP Slim Battery + AC Adapter 5V 2A Wall Travel Power Supply Compatible for PSP 2000 2001 3000 3001 3004 Accessories Bundle Kit : Video Games
SONY PSP Slim Battery for PSP Model 2000/3000 Slim 1200mAh | Lazada PH
PSP Slim's Battery Life Shorter Than Originally Thought | WIRED
Battery Cover Battery Cover For Sony PSP 2000 3000 Slim Silver - Newegg.com
Using a PSP 2000 3000 Battery in a PSP 1000! - YouTube
Create Pandora Battery and Patch Firmware for Sony PSP : 4 Steps - Instructables