That is just one of the many test that you can choose to run on your laptop computers
. It really does not matter what test you run on it, but you should definitely run a test of some kind. By doing this you are going to know if Dell Inspiron 6400 Laptop Battery is ready for use. It would be bad if you were trying to use it for school or work, and the acer laptop battery was not good. In the middle of using it, it may cut off. Do not put yourself in one of those kinds of spots. Check your batteries first to make sure that your computer is not going to cut off on you during something important.