A:AnswerThe MagSafe Charger is 20 watt capable. But you have to make sure that the AC adapter you get alongside this charger is 20 watt capable as well. If the AC adapter only, for example, supports 10 watt charging the phone will only charge at 10 watts because that is all the MagSafe Charger is getting from the AC adapter itself.
A:AnswerMy phone? 3 hours from dead, I have an iPhone 13 Pro Max. But really there are many variables at play for a definite answer. If you are using at least a 7.5w charger which is the highest MagSafe supports. Almost all MagSafe comparable phones seam to reach 50% charge in 30 minutes. But it’s takes an hour and twenty minutes to top off a smaller phone. While taking almost 2 hours to top off the largest phone in their lineup.
A:AnswerIt will work with any “MagSafe” case, or with no case. Works with some random thin cases as well. MagSafe compatible cases can be had very cheap.