With enough of the rear panel pried up to get a handle on it, we can peel it right off the back, after some struggles.

Underneath we find our first components—the logic board and rechargeable battery. And another layer of adhesive laden plastic.

The battery is a snap to disconnect—no solder here, so Apple intends for it to be at least somewhat replaceable.

Did someone glue an iPhone battery in here?

Okay, not really. This battery has different dimensions than an iPhone battery, but it shares some similar design concepts. Unfortunately, those nifty adhesive strips are not one of them.