Teardown challenge: Apple AirPods 3 vs. Beats Fit Pro

In this dual teardown video (below) iFixit takes a look inside both of Apple’s Apple AirPods 3 and Beats Fit Pro earbuds.Taylor Dixon for iFixit:There’s some good news in here. Check this out.
Under this adhesive — which I can remove by carefully twisting it around a pair of tweezers — I can pry up the battery, which appears to have a complicated connection to the cables underneath it.
But after some careful separating, you’ll see that this button cell has a built-i