With one more small bracket out of the way we have full access to the battery. A little spudgering here, a little sputtering there, and the battery's free from its adhesive.

This powerhouse is rated at 1.78 Wh (460 mAh @ 3.87 V) and is supposed to offer you 3 days of fun with your smartwatch—or up to 14 in "ultra-long battery life mode!"

The battery, like many others, uses a classic soft-shell design. It makes us wonder why Apple seems to be the only manufacturer experimenting with metal pouch batteries.