Amazon.com: Galaxy S6 Active Battery, [Upgraded] SNSOU 3700mAh EB-BG890ABA Li-Polymer Replacement Battery for Samsung Galaxy S6 Active SM-G890 G890A G870A with Repair Replacement Kit Tools : Cell Phones & Accessories
100% Original Battery EB BG890ABA for Samsung Galaxy S6 Active SM G890A SM G870A 3500mAh Phone Li Polymer Batteria Akku +Tools|Mobile Phone Batteries| - AliExpress
Replacing the Battery Inside the Samsung Galaxy S6 and S6 Edge Will Cost You $45