How Long Should A Laptop Battery Last Unplugged. Allowing your computer to continue charging once it reaches 100 can degrade your batterys life over time. The battery on your laptop is not damaged if you leave it plugged in constantly but you should still keep an eye on other factors such as heat.
After the battery discharges a bit the charger will kick into gear again and top the battery off. In general a laptop battery lasts between one and ten hours after going through a single full charge and being unplugged from the power supply. Always use the recommended chargeradapter.
Over time the laptop batterys capacity decreases meaning the battery needs to be recharged more frequently than when.
To what degree you recharge the laptop. Some laptop owners still get decent life out of their three-year-old standard battery while others can barely live through a rapid un-packing of their charging cord once their charge icon turns. Manufacturers typically list a static number regarding laptop battery life like 10 hoursIn the real world battery life varies. Batteries under 50 will last.
