You need to do two things to keep a battery healthy: Keep it low current to stop the ions crashing into shit and not stuffing more ions than the anode and catho

You need to do two things to keep a battery healthy: Keep it low current to stop the ions crashing into shit and not stuffing more ions than the anode and cathode matrixes can hold. If you charge your phone to 100% using a ~4C 60W fast charger you're going to utterly fucking destroy your battery compared to someone who charges to 80% using a 0.5C wireless charger.