Have you ever worried about the battery life when using a laptop? Can it be used with the power supply plugged in all the time? Do I need to use up the battery before charging? How can batteries be used to ensure their lifespan?Today, let's answer everyone's questions one by one!Can I turn off my computer when it runs out of power?Most laptops nowadays use lithium batteries, and some friends may worry that deep or even excessive discharge will irretrievably damage the battery. In fact, there is a certain reason for this concern, but you should not be too careful not to use the battery...