PCWorld explains how to calibrate smartphone and laptop batteries when they display inaccurate percentage readings or cause unexpected shutdowns. Battery calibration involves fully charging to 100%, ...

You probably know your battery is best served by shallow discharges and regular top-offs, but calibrating your battery occasionally is important too—otherwise the display that shows you how much ...

Over time, a phone’s battery cell is bound to degrade and run into calibration issues. This is when the phone may not hold as much charge as it once did. Due to this, the phone may show signs of poor ...

Jumping percentage displays, a suddenly empty smartphone, or unexpected switch-offs despite a remaining residual charge are typical everyday battery problems. These issues are often not caused by a ...