Blp613 3000mah Phone Battery For Oneplus 3 One Plus 1+3 Battery For Onplus 3t 3 T A310 Battery Replacement Blp633 - Mobile Phone Batteries - AliExpress
Oneplus 7Pro) After 3 years I finally replaced my back and battery!! Total $25. It was tough but really fun process to do. Took about 30minutes. The battery health was around 78%
OnePlus One Battery Replacement - iFixit Repair Guide