Smart luggage has a rechargeable battery and can charge your phone or laptop, can be locked via an app on your smartphone even when your bag is not nearby, or can be tracked via GPS. Some have powerful batteries that you can wheel from gate to gate. But here’s the thing. No matter how neat your smart luggage is, you need to know how to remove the battery from your smart bag.

The challenge that many people have experienced with smart luggage is that the batteries are difficult to remove. While some smart bag manufacturers have started making batteries that are easy to remove, others are still a challenge.

Pop-out batteries are becoming increasingly popular and are as easy to remove as pressing a button until the battery pops out of the holder. You can then store the disconnected battery in the bag and replace it when you land.

The more difficult types of batteries all differ in a few small ways. Some are more complicated than others, but the general instructions for removing those batteries are: