I’m old enough to remember when most smartphones topped out at 5W or even 10W charging speeds. In fact, my first proper Android phone was 2012’s Sony Xperia V, and it offered a mere 5W power level.

A study on mobile phone usage in the U.S. showed that Americans use their phones for an average of 5 hours and 16 minutes per day (via Harmony Healthcare IT). That kind of usage means battery drain, ...