How To: replace PS3 controller battery with like for like or upgrade it to a lithium polymer battery - YouTube
OSTENT Wireless Controller Battery Pack Replacement Compatible for Sony PS3 Bluetooth Controller Console : Amazon.com.au: Video Games
How to Charge a PS3 Controller: 10 Steps (with Pictures) - wikiHow
Replacement battery for Sony Dualshock 3, Wireless Controller, CECHZC2E: Amazon.co.uk: Electronics & Photo
Replaced PS3 controller battery with old cell phone battery to avoid buying new controller. Should I be worried? It's not pretty, but it seems to work fine takes a charge again! :
Amazon.com: Pickle Power PS3 Controller Battery Replacement, 2 Pack LIP1359 Battery for Sony Playstation 3 PS3 Dualshock 3 CECHZC2E CECHZC2U Controller with USB Cable+Tools : Video Games
Amazon.com: PS3 Controller Rechargeable Battery Pack : Video Games
OSTENT Wireless Controller Battery Pack Replacement Compatible for Sony PS3 Bluetooth Controller : Amazon.co.uk: PC & Video Games
2pcs Wireless Controller Replacement Battery For Sony Ps3 Bluetooth Controller Battery Pack For Ps3 Gamepad - Batteries - AliExpress
Buy PlayStation 3 PS3 Controller Rechargeable Battery Pack | eStarland.com
DualShock 3 Controller Battery: PS3 Replacement Part #LIP1359