What to Consider?
Capacity
A MagSafe wallet cannot fully replace your old wallet — that's the most important thing you should know before buying one. Most can accommodate two or three cards and a bill (or two). If you want to keep more cards alongside your iPhone, consider a wallet case with a bigger storage capacity.
Additional Features
Additional features like an integrated viewing stand are worth keeping an eye out for, depending on your needs. So are the products' design and build materials. Spending more on a MagSafe wallet will get you a fancier product with finer materials and more attention to detail.
What is MagSafe?
Long-time Apple users will remember the power connectors that Apple used on certain laptops from 2006 through 2019. These connectors snapped onto a special power port on the laptops, and were designed so if you tripped over a power cable, it wouldn’t throw your expensive Mac to the floor, but rather detach safely.
Apple re-introduced this term in 2020 for chargers that work with the iPhone and with certain headphones. While the “Mag” part is still true, there’s not much that is “Safe” about it. But the name sounds impressive, and Apple already owned the trademark. (Apple also brought this back in Summer 2022, with the release of the M2 MacBook Air, which is currently the only laptop to offer MagSafe charging.
MagSafe charging is a form of induction charging, that is compatible with Qi charging, a standard used by many tech firms to provide cable-free charging. Both of these use a pad with a transmitting coil, and a receiving coil in devices, to transfer electricity. The magnets in Apple’s MagSafe chargers, and iPhones, allow the charging to be more efficient, since they can align the two coils perfectly.
How is MagSafe different from Qi charging?
Both systems work in a similar way, but with MagSafe, you can charge your iPhone 12 or 13 at up to 15 W (the iPhone 12 mini and 13 mini can only change at up to 12 W), whereas Qi charging is limited to 7.5 W. Some phone brands allow for Qi charging at 10 W, but Apple limits its devices to 7.5 W, perhaps for safety or efficiency reasons. If you charge headphones, such as Apple’s AirPods or AirPods Pro, the maximum voltage is 7.5 W.
Apple recommends that you use a 20 W or greater power adapter with MagSafe chargers in order to get the full 15 W charging rate.
What do you need for MagSafe Charging?
MagSafe charging requires a compatible iPhone – currently, the iPhone 12 and 13 models – and a MagSafe charger. If you want to charge your iPhone with a case, you have to have a compatible MagSafe case, which also contains magnets, laid out in a MagSafe Case Magnet Array. You can charge an iPhone 12 or 13 on a Qi charger, but the voltage will be lower. 
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