How Long Do Motherboard Batteries Last. An old computer case is not necessarily a down-right bad thing. On a single charge gaming laptop batteries last 1-3 hours when playing games.
Eventually a CMOS battery will stop working. Reset CMOS on the actual motherboard. They typically last up to 10 years.
But if you are using your laptop for light tasks the battery can last between up to 8 hours.
In the unlikely event that they fail with a low voltage warning or you start loosing bios settings they are about 3 at all Wal-Mart or watch parts store. August 18 2021 by Admin. The old type used to recharge not sure if new ones do but they generally last for as long as the pc does. A motherboard CMOS battery can last up to five years.
