Charging your laptop's battery till 80% instead of 100% will extent the usable lifespan of the battery

  •   Ricky
  •   July 31, 2017
  •   111
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Charging your laptop's battery till 80% instead of 100% will extent the usable lifespan of the battery

Keeping the battery in full charged state and the high temperature are the two major factors that accelerate Li-Ion battery aging.  So, by using this feature, you can avoid the first one.  If your battery does not get hot while you're using your laptop (you can check this by feeling the surface temperature of your battery pack after using your laptop with moderate work load for some time), there is not much reason why you should disconnect charger or battery pack to extend its life span.

Keeping the battery in full charged state and the high temperature ar