PCWorld explains how to calibrate smartphone and laptop batteries when they display inaccurate percentage readings or cause ...

Sometimes, your battery loses its power without you knowing. In some cases, people put their gadgets inside safe storage only to discover later that their 100% battery is not full anymore.

In the age of fast charging, battery health has become a contentious topic in the smartphone and broader tech industry, especially with Tesla and other electric vehicles gaining popularity. Some argue ...