If there's one clear edge laptops have over desktop computers, it's their built-in power source. With the rechargeable battery, you no longer have to stay glued near an outlet all the time, or ...

Then, you would simply push in the new battery and call it a day. These days, though, replacing your laptop battery at home isn't as easy anymore. Sure, technically, you can still do so.

To understand why your Windows computer battery doesn't last as long as it used to, there are steps you need to take and possible ways to fix the problem.