Battery issue
My iPhone 7plus ki getting very slow charger. Its take more than 4 hr to charge 30% to 100% and tha battery drains very fast in 3 to 4 hr only.
iPhone 7 Plus, iOS 14
Question marked as
What percent does your Battery Health show and does it say peak performance? https://support.apple.com/en-us/HT208387
Have you also followed all steps at https://www.apple.com/batteries/maximizing-performance/ and https://support.apple.com/en-us/HT201264