A 20-watt charger will charge the iPhone almost as fast ... you will need to buy a new MagSafe charger with fast-charging capability. Apple recommends pairing it with its 30-watt charger, although ...

However, Apple has integrated enhanced fast charging ... capping at 27 watts for the iPhone. Reportedly, even a 20-watt charger delivers impressive results, trailing just 15 minutes behind the ...