Why do laptop batteries fail so fast compared to mobile device ...
it''s not really charge limiting that is absent. if the battery was really overcharged, it would most likely explode; the internal battery management system (which is probably the same as in a phone) avoids this. its the fact that the battery is not cycled at all in desktop-like scenarios that is the problem. some manufacturers have a setting in the bios that protects against this, e.g. https …