Leaving your laptops plugged in is probably bad for them in terms of longevity depending on the chemistry and battery management system. If the BMS can be set t

Leaving your laptops plugged in is probably bad for them in terms of longevity depending on the chemistry and battery management system. If the BMS can be set to 80% or 50% then that’s much better than constantly sitting at 100%. Charging your phone fast is also bad for the battery in terms of heat production.