Use a pair of tweezers to pull out the adhesive tabs from underneath the battery.

The adhesive tabs underneath the battery can rip very easily. Make sure you pull out the tabs in a slow and steady motion and in a flat angle. To prevent the adhesive tabs from ripping, it's helpfull to twist the strip around the tweezers.

If you manage to pull out both of the adhesive strips without ripping you can jump to Step 21 in order to remove the battery. If one of your adhesive strips rips during the removal, continue with the following step.