Samsung finally reveals how much it will cost to replace your Galaxy S6 battery
Amazon.com: Galaxy S6 Edge Battery,Large Power Replacement Li_ion Mighty Density 3000mAh Internal Battery for Samsung Galaxy S6 Edge SM-G925A AT&T : Cell Phones & Accessories
How to change your S6 and S6 Edge battery in 5 Steps
Galaxy S6 battery mod: S7 Edge battery | Stranger in a Strange Land
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It turns out the Galaxy S6 does have a removable battery | TechnoBuffalo