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The original was posted on /r/samsung by /u/Dovaskarr on 2023-08-30 09:48:54+00:00.

Phone is S22 Ultra. Powerbank is 1000mAh I got around 2 3 years ago. When I plug it into the phone, it starts charging. It says 1hour and 23 minutes remaining. Then after 10 seconds it just goes to 2 hours and 30 minutes remaining. S21 Ultra did not have that problem, yet this one has it. Whats up with that? And I think it charged normally until some point in time and decided that it will not give me the normal charge time, but a decreased time.