If you need to know the serial number for Apple's MagSafe Battery Pack, there are a few ways to check. The serial number may be useful for verifying authenticity. If you take the ‌MagSafe Battery ...

If you've got your hands on an Apple-branded MagSafe Charger, you can follow the steps below to check the current firmware version that your charger is running. Apple occasionally sends‌ firmware ...

If you run into any issues with your new MagSafe Battery Pack, you may need to provide Apple Support with its serial number. There are a couple of quick and easy ways to find that. We’ll show you how.