Battery Smart Charging – Battery Smart Charging is a feature that helps protect your battery from the effects of charging patterns and high temperatures that may accelerate battery aging or lead to expansion. Battery Smart Charging is always active and turns on automatically to limit battery charging to 80% when it detects your device is plugged in for prolonged periods and/or used at elevated temperatures. Battery smart charging is automatically deactivated when the battery is discharged below 20%. What you see when Battery Smart Charging turns on depends on your Surface device model. For specific details, see Feature availability below.
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