In-Depth iPhone Battery Experiment Pits Slow Charging Against Fast Charging

MacRumors
By Juli CloverNov 7, 2025, 4:19 pm582 ptsTop
HTX Studio this week shared the results from a six-month battery test that compared how fast charging and slow charging can affect battery life over time. Using six iPhone 12 models, the channel set up a system to drain the batteries from five percent and charge them to 100 percent over and over again. Three…

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