Does Keeping My Laptop Plugged In Reduce Battery Life. Even laptop manufacturing companies do not have the same conclusive answer for this. A laptop battery will lose its capacity in time no matter what you do.

One of the biggest enemies to battery life is heat so if you are not going to use battery power for a while and keep your laptop plugged in we recommend removing the battery and storing it in a cool place. Allow your laptops battery to occasionally discharge somewhat before charging it back up that will keep the electrons flowing and keep the battery from losing capacity. It means you are allowed to use the battery from SoC State of Charge 0 to 60.
Answer 1 of 4.
A laptop is designed to work with a battery. While there are a number of things you can do to improve your battery life its unclear whether you should be using your laptop while its plugged in or on battery power. Apple recommends not leaving a laptop plugged in at all times rather keep it in alternate use ie. Keeping Your Laptop Plugged in All the Time Will Kill Its Battery Faster Laptops are our indispensable lifeline to the majesty that is the Internet.
