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
Batteria - OnePlus 6T OnePlus 6T - SOSav Italia
Replace Battery BLP685 For OnePlus 6T OnePlus 7 One Plus 6T One Plus 7 3700mAh | eBay
Replacement Phone Battery BLP685 For OnePlus 6T OnePlus 7 One Plus 6T One Plus 7 Phone Battery 3700mAh _ - AliExpress Mobile
1x 3700mAh / 14.24Wh BLP685 Replacement Battery For OnePlus 6T One Plus 6T Batterie Bateria Batterij
OnePlus 6T and 7 Battery: Replacement Part BLP685 - iFixit
Batteria del telefono sostitutivo BLP685 per OnePlus 6T OnePlus 7 One Plus 6T One Plus 7 con strumenti gratuiti 3700mAh acquista in modo economico — spedizione gratuita, recensioni reali con foto — Joom