Battery Internal BLP633 OnePlus 3t Original Part for 3400ma for sale online | eBay
Im so glad I replaced the battery on my 3+yr old Oneplus 6T. I could probably use it another 3yrs. Take it to a local shop if you dont diy : r/ oneplus
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: How to replace the Battery - YouTube
Oneplus 9 Pro Battery Replacement | Oneplus 8pro Original Battery - Original - Aliexpress
Batteries for OnePlus for OnePlus One for sale | eBay