MagSafe has quietly become one of the most useful things about modern phones, yet plenty of people are still unsure what it does. In short: it is a ring of magnets built into the phone (and into compatible cases) that lets chargers, wallets, mounts, and stands snap into perfect alignment. Here is how it works and what to look for.
What MagSafe Actually Is
Apple introduced MagSafe on the iPhone 12 in 2020. Behind the glass back sits a circular array of magnets surrounding a central alignment magnet and a wireless charging coil. When you bring a MagSafe accessory close, the magnets pull it into the exact right spot for efficient charging and a secure hold. It is the reason a MagSafe charger clicks on and stays put instead of sliding around like older Qi pads.
How Magnetic Wireless Charging Works
MagSafe charging is wireless charging done more precisely. The phone and charger each contain a coil; electricity in the charger's coil creates a magnetic field that induces current in the phone's coil. Because the magnets guarantee alignment, MagSafe can deliver up to 15W (25W on the newest iPhones with the 2024+ adapter) instead of the slower, hit-or-miss speeds of an unaligned pad. Standard Qi charging on the same phones typically tops out around 7.5W.
A MagSafe-ready case such as the iPhone 12 Pro MagSafe Waterproof Case keeps the magnet ring aligned through the case, so charging speed and snap strength stay strong.
Why the Case Matters
If you use a non-MagSafe case, the magnets in an accessory have to hold through a barrier with no aligned ring of their own, so the connection is weaker and can drift. A true MagSafe case embeds its own magnet array that lines up with the phone's, restoring full grip and charging alignment. This is why buying a MagSafe-labeled case matters if you rely on magnetic wallets or car mounts.
Cases like the iPhone 14 Pro Max MagSafe-Compatible Case add card holders and kickstands that all rely on that magnet ring. Explore more options in the iPhone 16 Pro Max Cases collection.
Does MagSafe Work on Android?
Android phones do not have Apple's built-in magnet ring, but you can add magnetic functionality with a case that has its own aligned magnets. Aramid MagSafe designs like the OnePlus 15 Aramid MagSafe Case let Android users snap onto the same MagSafe wallets, stands, and mounts. The new Qi2 standard is also bringing built-in magnets to more phones, closely matching MagSafe.
MagSafe Accessories Worth Having
The magnetic ecosystem is where MagSafe shines: snap-on car mounts, battery packs, wallets, and desk stands. A magnetic car mount holds the phone rock-steady for navigation — see the MagSafe Car Mount collection.
Frequently Asked Questions
How fast does MagSafe charge? Up to 15W on most iPhones, and up to 25W on iPhone 16/newer with a 30W+ USB-C adapter. Standard Qi on the same phones is about 7.5W.
Can I charge through a MagSafe case? Yes. MagSafe cases are designed so the magnets and coil align through the case, with no meaningful loss in speed.
How strong are the magnets? Apple rates MagSafe at roughly 11–13 newtons of holding force with a genuine setup, enough to hold the phone while you pull a wallet off.
Will MagSafe magnets hurt my phone or cards? No. The magnets will not damage your phone, and modern credit cards use chips that are not affected. Older magnetic-stripe hotel keys can occasionally be demagnetized, so keep those separate.
Do I need MagSafe or is Qi2 enough? Qi2 uses the same magnetic-alignment idea and is cross-platform. If your phone supports Qi2, a Qi2 or MagSafe case will both work with magnetic accessories.