How Does MagSafe Work?
MagSafe uses aligned magnets and inductive coils to snap onto your iPhone and deliver up to 15W wireless charging. Here’s exactly how it works.
Cable, port, and adapter comp.
USB-C power delivery, wattage requirements, charging speed, cable quality impact, and whether your charger is actually doing what you think.
MagSafe uses aligned magnets and inductive coils to snap onto your iPhone and deliver up to 15W wireless charging. Here’s exactly how it works.
A USB-C to Lightning cable charges and syncs Lightning iPhones and iPads. Learn when fast charging works, what you need, and what to avoid.
USB-A charge-only cables have 2 wires and can’t transfer files. Data-enabled cables have 4 wires and do both. Here’s how to tell the difference.
A GaN charger uses gallium nitride semiconductors for faster, cooler, and more compact charging than silicon. Learn when it works and when it won’t.
MagSafe is Apple’s magnetic wireless charging system for iPhone 12 and later, delivering up to 15W with precise alignment. Here’s how it works.
Using a wrong wattage charger is usually safe if voltage matches. Learn when it slows charging, causes overheating, or risks real damage.
It is not safe to charge your phone at a public USB port. Learn about juice jacking risks and the simple ways to protect yourself.
Juice jacking is a cyberattack using tampered public USB ports to steal data or install malware. Learn how it works and how to stay safe.
A USB condom blocks data pins while passing power, stopping juice jacking at public chargers. Learn how they work and whether you need one.
Yes, you can charge a device with a data-only USB cable. It carries both power and data wires. Learn when it works and when it fails.