Samsung Gear 2's battery is pretty easy to replace | Engadget
Original Samsung Battery For Samsung Gear 2 Neo R380 SM R380 SM R381 R381 300mAh Authentic Samsung Replacement Battery R380|Mobile Phone Batteries| - AliExpress
Buy Original Replacement Watch Battery EB-BR365ABE For Samsung Gear Fit 2 Pro SM-R365 R365 200mAh at affordable prices — free shipping, real reviews with photos — Joom
Buy Original Replacement Watch Battery EB-BR365ABE For Samsung Gear Fit 2 Pro SM-R365 R365 200mAh at affordable prices — free shipping, real reviews with photos — Joom
Amazon.com: oGoDeal Battery Replacement Compatible for Samsung Gear S2 EB-BR730ABE SM-R730 and Gear S2 Classic 3G SM-R735 and Gear Sport SM-R600 Battery SM-R730A SM-R730V SM-R730S SM-R735A : Cell Phones & Accessories