EXTREMELY rough battery upgrade mod, for my favorite PS3 controller : r/PS3
Replacement Battery for Playstation 3 PS3 Controller LIP1359 | LIP1859 |LIP1472 | eBay
Buy 2-Pack) 3.7V 1380mAh Extended LIS1441, LIP1450 Battery Replacement for Sony PS3 Playstation 3 Move Motion Controller CECH-ZCM1E, CECH-ZCM1U Online in Hong Kong. B089225MHR
LIP1359 Gamepad Controller Battery Power Supply Replacement + USB Data Charger Cable Cord Packs for Sony PS3 gamepad|Batteries| - AliExpress
LIP1359 Battery for Sony PlayStation 3 Controller, PS3 Dualshock (CECHZC2A,CECHZC2E,CECHZC2H,CECHZC2J,CECHZC2U)
Repair: Replacing a dead PS3 Dualshock 3 controller battery – Darian Cabot