D1608496017788 , via OnePlus 8T , Jan 22, 2021 : The last 10% of the battery has been charging me a lot slower for some time, what could be the reason for this? Previously pretended to charge the phone in 35 minutes
northbay5566 , via OnePlus Community App , Jan 23, 2021 : Turn off optimized charging in battery options
D1608496017788 , via OnePlus 8T , Jan 23, 2021 : Yes I did it before and it was the same I decided to turn off the phone and now loads normally strange, problem solved
siriokds , via OnePlus 8T , Jan 24, 2021 : To maintain an healthy battery, charging level should be approximately between 20 and 90%. System slowdown to avoid battery issue and maintain a long battery life.