Is it okay if my laptop is always plugged in so that my battery is charged 100%? Must I allow it to drain periodically by unplugging to increase battery life?
Most laptops are either lithium ion or lithium polymer batteries. And they have finite number of charge discharge cycles. A general misconception is that charging your battery all the time while you work will harm it
No. It will not. Once a battery is @100% , the charger port will rout the incoming power directly to the power supply of the laptop bypassing the battery. Analogous to using a laptop while charging it without a battery.
Do not drain your battery. It does more harm.
Anyways whatever you do , the average difference in life of similar batteries would be a max of 8–10 months depending on usage.
An important point. Battery life is reduced drastically if it overheats , that is the major culprit. Use an external cooler pad while working.
-Suggested by Sukanya Roy, New Barrackpore
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