Apple introduced MagSafe chargers in 2006 in conjunction with the release of the MacBook Pro. Since then, Apple’s MagSafe technology has become a striking feature in both iPhones and MacBooks, offering convenient and fast charging solutions. But what is MagSafe and how does MagSafe technology work?
From MagSafe for Mac to MagSafe for iPhone, Technowize dives deep into the ins and outs of MagSafe charging, the different implementations of Apple’s charging technology, and its compatibility with iPhone 15 and other devices.
What Is A MagSafe Charger? Apple’s Charging Technology
MagSafe first made its debut in 2006 as a magnetic power charger for MacBooks. It provided a secure connection to the charging port while still being easy to unplug, preventing accidental damage to the device. However, Apple phased out this technology in favor of USB-C charging.

Apple’s MagSafe charger has been one of the Apple ecosystem’s USPs. (Image Courtesy – Apple)
MagSafe championed a comeback in the 2021 MacBook Pro lineup, offering a magnetic charging solution. How does MagSafe technology work for Macs and iPhones?
MagSafe Charger for Mac
MagSafe for Mac is a magnetic charging technology that ensures a safe and secure connection between the charger and the MacBook. It uses magnets to attach the charging connector to the charging slot, allowing for easy disconnection if the cable is pulled. The latest iteration, MagSafe 3, provides faster charging speeds and higher power delivery, offering up to 140W charging capability for the 16-inch MacBook Pro.
MagSafe 3 charging capabilities are currently available for the 14-inch and 16-inch MacBook Pro models introduced in 2021. The MagSafe 3 charging cables are not compatible with older Macs that used MagSafe 2.
How Does MagSafe Technology Work for Mac?
MagSafe for Mac features a small rectangular magnet-topped charging connector that fits into the five-pin charging slot on the MacBook. The magnets ensure a secure fit, preventing accidental disconnections. The charging cable’s other end has a USB-C port that plugs into a power adapter to provide power to the MacBook.
MagSafe Charging for Mac allows for higher charging power compared to USB-C cables. The 16-inch MacBook Pro can be charged at up to 140W when paired with a MagSafe to USB-C cable and a 140W USB-C Power Adapter. This charging speed is not achievable with USB-C cables alone. The 14-inch MacBook Pro also utilizes MagSafe charging, with different power adapter options depending on the model.
MagSafe for iPhone
MagSafe for iPhone is a different implementation of the technology. It involves a ring of magnets built around the Qi-based wireless charging coils in the iPhone. This allows for a close fit and faster charging speeds. The magnets enable compatibility with a range of MagSafe accessories, expanding the functionality beyond just charging.
The iPhone 12, iPhone 13, and iPhone 14 models feature a ring of magnets underneath the wireless charging coil. This magnet ring enables the iPhone to connect with various MagSafe accessories that utilize magnets, such as chargers, mounts, and cases.
Apple’s MagSafe Charger is designed to snap onto the back of an iPhone using the built-in magnets. It aligns the charging coil in the charger with the one in the iPhone, ensuring efficient charging. The charger consists of magnets, an internal charging coil, and a circuit board that manages the charging process.
MagSafe charging offers faster charging speeds compared to standard wireless charging. The iPhone 12 and later models can charge at a maximum of 15W with the MagSafe Charger. However, the iPhone 12 mini has a slightly lower maximum charging speed of 12W. Charging speeds can vary depending on the temperature of the iPhone and the power adapter used.
MagSafe Accessories and Cases
MagSafe technology enables compatibility with a wide range of accessories and cases. Apple and third-party manufacturers offer a variety of MagSafe accessories, including chargers, wallets, and mounts. MagSafe-compatible cases provide a more secure magnetic connection to the iPhone.
MagSafe for Mac provides a safe and secure magnetic charging experience, while MagSafe for iPhone allows for fast and reliable wireless charging with the help of built-in magnets. With a wide range of MagSafe accessories available, users can enhance their charging and usage experience with these innovative technologies.
By combining the power of magnets and advanced charging capabilities, MagSafe continues to revolutionize the way we charge and interact with our Apple devices.