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 ...

Smartphones rely on multiple sensors—such as the accelerometer, gyroscope, compass, and proximity sensor—to power everyday features. From screen rotation and navigation apps to motion tracking and ...

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%, ...