Hi, I've got a supercard lite with supercard passkey (don't know the name of theirs), and have been having some really poor battery life. I'm getting maybe 4-5 hrs gameplay before it dies. I use a generic 1 gb microsd card. Would upgrading to a ds-slot solution help? Anything I can do with the way the files are written? Some magic battery-saving setting? Or is it just that my battery is a bit faulty and no one else has this problem with the supercard.