Its been a feature since at least the S9. Source: Had to 'fix' my girlfriend's phone only charging to 85%. Was a mystery how that setting got randomly enabled,

Its been a feature since at least the S9. Source: Had to 'fix' my girlfriend's phone only charging to 85%. Was a mystery how that setting got randomly enabled, really. I can't recall for certain if my old S7 had that option but I don't think it did.