Question: how much will it cost to replace a iphone 6s battery?
Answer: Replacing the battery via Apple For an iPhone SE, 6, 6 Plus, 6s, 6s Plus, 7, 7 Plus, 8, 8 Plus, and all other eligible models, the out-of-warranty price is $49. Phones still under warranty or covered by AppleCare+ get free battery replacements.