Published Oct 21, 2026, 1:00 PM EDT

Ever since a kid, Shaheer has always been intrigued by tech and how its components work, and has always geeked out over new PC component releases. His enthusiasm for tech, gaming, and composing eventually led him to become a writer, a career path he hadn’t quite planned or thought of, but it proved to be a natural fit. Nevertheless, Shaheer has been writing for more than 4 years, having penned more than 2000 articles now across multiple accredited publications.

Shaheer mostly covers PC components, including in-depth coverage of each component, but his speciality subsumes within hardware of all sorts.

One key specification to look for when buying a laptop is battery capacity, often measured in mAh (milliamp-hours). The obvious implication is that the higher the mAh, the bigger the battery.

However, in reality, a battery with a higher mAh can hold less energy than another battery if it has a lower voltage.…