Look at the battery 🔋 percentage and time remaining.
That's normal. Once it reaches 90% it'll slow to a crawl to prevent overworking the battery. You don't need full-speed at the last leg of the charging process.
If you want charging at full speed, Deactivate optimized charging in battery settings.
Shot On OnePlus Photography Contest - Create your story with XPan Mode
by Elyn Lu, 2021-09-24