Fast vs Slow Charging: Battery Degradation Study
Update: 2025-11-10
Description
New research from HTX Studio reveals that fast charging has a minimal impact on battery health, with slow charging being the more significant factor. Tests on iPhone twelve and iQOO seven phones showed that fast charging led to a slight loss in battery capacity, but not significantly more than slow charging. The study also found that leaving a phone at one hundred percent charge for short periods does not cause immediate damage. The key takeaway is that while charging habits do play a role, the differences in battery degradation between fast and slow charging, or even leaving a phone fully charged for a short time, are less significant than many might assume.
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