well pretty sure this is the HIGHEST brightness, wifi going and all that jazz for 3-5 hours.
I know that the DS can get WAY more life than what they say. So im' not worried about the battery life. I do hope they make the charger though be a USB thign so that it can work with others and not have to have a seperate one plugged in ONLY for this and need a new car charger if that.
The thing I"m more concerned about is the crappy launch. I was SO going to get the 3DS on launch, but now i'm not. Looks like I'm waiting for a bit till games ger released that i want