The Gear Fit teardown reveals a curved battery
 

The Gear Fit features a battery that can theoretically be changed, but requires you to dismantle the screen assembly to get to it. The iFixit team are on a tear lately. After dismantling the Galaxy S5 and Gear 2, the team set its sights on the Gear Fit, Samsung’s first fitness tracker. The Gear Fit [...]

http://vr-zone.com/articles/gear-fit...curved-battery