Well, I've tried to worry about this stuff, but it's too much of a hassle. Instead, I replace the cells in my battery: http://www.youtube.com/watch?v=BtqRvAu71G

Well, I've tried to worry about this stuff, but it's too much of a hassle. Instead, I replace the cells in my battery: http://www.youtube.com/watch?v=BtqRvAu71Gw http://www.youtube.com/watch?v=BtqRvAu71Gw Works for my laptop battery and is super cheap, though caution please.