Use the charger your phone came with. While it’s tempting to buy a charger advertised as a super-fast charger, using them can often be detrimental to battery life — and you’re best sticking ...

It was always a treat when the ‌iPhone‌ randomly decided to charge to 100 percent, which is something Apple has baked in to the 80 percent limit to ensure the battery level stays calibrated.

A battery that doesn’t overheat can be charged faster, perhaps in as little time as it takes to fill a car with gasoline. And solid-state batteries pack more energy into a smaller space ...