Do you have a Dell battery problem?

I'd noticed that, if I had plugged in my laptop in an outlet other than the one that I had been using prior to my dog's accidental knockdown of my laptop (I know, blame the dog, right?), it would give me the "plugged in but not charging" warning.

Upon searching for about an hour and trying different things, I thought to myself that maybe I should inspect the battery.  That's when I noticed the little button and five LED lights on the bottom (see picture below).  So I pressed the button -- held it for a few seconds until the lights went out -- then turned the laptop on again, and voila, problem solved!

Simple, huh?  I didn't see anyone mentioning this method, so I thought I should make a post about it.