Why My Laptop Battery Dies Fast. Well either the stuff you have on it now is running constantly even stuff in the background which is draining it quickly or that battery they gave you that is. Your battery can die quickly because of settings like brightness.
1 Turn off Fast Startup System and SecurityPower OptionsChoose what the power buttons doChange settings that are currently unavailableShutdown settings 2 Disable Charge in battery mode. Right-click on the ACPI option usually the 2nd option and select delete or uninstall. Did the fast-draining also happen on do office work or watch movies.
The reason they wear down over time is because like all batteries they require that ions physically move around inside the half cells.
Run the battery test. Shorted cells within the battery could be the cause. Yesterday I charged my laptop to 100 in the night and when I woke up in the morning the laptop was showing red light indicating the low battery. Right-click on the ACPI option usually the 2nd option and select delete or uninstall.
