Apple’s MagSafe Battery Pack is compatible with the company’siPhone 12 modelsandthe iPhone 13 models. It snaps on the back of any of these devices and conveniently tops up the battery when you’re on the go, or when connected to a power source.

Originally, the MagSafe Battery Pack was only able to deliver 5W charging speeds when portable so it would take a little while to charge your iPhone. A firmware update has changed that though.

The MagSafe Battery Pack is now able to deliver 7.5W charging speeds, giving your iPhone juice that little bit faster when you’re on the move. It will also offer 15W charging to your iPhone when connected to a power source.

Here’s how to update your MagSafe Battery Pack to the latest firmware and how to use it.

How to update your MagSafe Battery Pack’s firmware

There are a couple of ways you can update your MagSafe Battery Pack to the latest firmware. The easiest (but not the fastest) is simply to attach the MagSafe Battery Pack to the back of your compatibleiPhoneand it will update over time. Apple has said it will take around a week if you do it this way though.

Alternatively, you can connect your MagSafe Battery Pack to aniPador a Mac. To update the firmware using a Mac or iPad, plug one end of a Lightning toUSB-Ccable into the Lightning connector on your battery pack, and the other end into your Mac or iPad. The firmware update will take about 5 minutes.

How to check your MagSafe Battery Pack’s firmware

For your MagSafe Battery Pack to deliver 7.5W charging speeds when portable, it needs to be running firware version 2.7.

To check the firware version of your MagSafe Battery Pack, head to Settings > General > About > MagSafe Battery Pack. You’ll need your MagSafe Battery Pack attached to your iPhone for it to appear.

How to check the battery status of your MagSafe Battery Pack

If you want to know how much juice you have in your MagSafe Battery Pack, you’ll want toadd the batteries widgetto your Today View or your Home Screen. First up, verify you are running iOS 14.7 or later. After you’ve done that, follow the steps below:

When you attach the MagSafe Battery Pack to your iPhone, it will automatically appear in the Batteries widget and you’ll be able to see how much battery it has. You can charge both the MagSafe Battery Pack and your iPhone at the same time if you attach the battery pack and then plug in the Lightning connector.

What iPhone’s are compatible with the MagSafe Battery Pack?

The Apple MagSafe Battery Pack requiresMagSafeto attach so it is only compatible with the iPhone 12 models and the iPhone 13 models. You can therefore use the MagSafe Battery Pack with any of the following iPhone models:

How much extra charge will the MagSafe Battery Pack give my iPhone?

The amount of extra charge the MagSafe Battery Pack will give your iPhone depends on the model of iPhone you have.

Apple says you’ll get an additional 70 per cent battery form the MagSafe Battery Pack forthe iPhone 12 miniand theiPhone 13 mini.

You’ll get up to 60 per cent for the iPhone 12,iPhone 13, iPhone 12 Pro andiPhone 13 Pro.

For theiPhone 12 Pro MaxandiPhone 13 Pro Max, Apple says you’ll get up to 40 per cent extra.