How To Prevent Overcharging Laptop Battery. After the battery discharges a bit the charger will. Older laptops use Nickel-cadmium Ni-Cd and Nickel Metal Hydride Ni-MH batteries.
Nobody has had any concerns about cars since alternators and solid state regulators. Newer laptop model cannot overcharge because at 100 the laptop will stop charging you can even check by hovering your mouse on your battery icon while charging it will say 100 not charging. Theres no way to overcharge these batteries.
But that means is there is a power outage or a brownout then the laptop will shut down.
Keep the battery in a cool place and do not store your computer for a long period of time while it is fully charged. Ensure air can circulate around the laptop keeping any vents clear and not resting it on a cushion. Or look at the advanced power settings in the control panel to see if you can change how f as r the battery charges before stopping. When you get to 100 charge and leave your laptop plugged in the charger will stop charging the battery.
