Frequently draining your battery to 0% puts stress on the cells. If your device reports 85% or 90%, the battery is still in good shape, and you likely won't experience significant inconvenience.
How to Check Your Battery Health Using Diagnostic Tools
Mobile users can refer to settings or utilize manufacturer-specific apps. However, once you see the number dip toward 75% or lower, you should start planning for a replacement to avoid unexpected shutdowns.
The 80% Rule Industry experts and manufacturers generally consider 80% battery health to be the threshold for replacement. Conversely, keeping the battery at 100% for extended periods, especially while plugged in, can also be detrimental.
How to Check Battery Health Using Diagnostic Tools
Monitoring Your Battery Most operating systems provide built-in tools to check battery health. This is usually expressed as a percentage.
More About Whats a good battery health
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