


The same can be said for plugging old phones into modern fast chargers. At least now you can make an informed decision. Neither of these phones comes with a wall adapter, so you’ll have to get your own. Using a 40-watt charger won’t make them charge any faster. You won’t blow up your phone if you use a large tablet charger to charge your phone, but your tablet’s battery may charge faster, as it has a higher tolerance.įor example, the Samsung Galaxy S21 Ultra 5G supports up to 25 watts, and the iPhone 13 Pro Max supports up to 27 watts. RELATED: True or false: Never charge your phone overnight
