Amazon.com: Kastar 2-Pack Battery and LTD2 USB Charger Replacement for Phase One P30 Plus P30+, Phase One P40, Phase One P40 Plus P40+, Phase One P45, Phase One P45 Plus P45+, Phase
New original BLP699 Battery for OnePlus 7 PRO GM1910 4000mAh | eBay
New BLP633 Li-ion Replacement Battery For 1+ OnePlus 3T US Tools | eBay
Oxygen OS 11 is incomparable for OnePlus 8T, on Android 12 I could barely come close to 6 hours of screen on time. I advise anyone looking for stability and battery life
LCD/MIC/SPEAKER/BATTERY CHANGE TOOLS FOR OnePlus Nord 2 5G SMARTPHONE | eBay