So you've finally found a game that you actually like for the PSP, but after going at it for a couple of hours you realize that it doesn't provide enough juice like the DS Lite. Fret not - Sony has rolled out battery pack for its PSP-2000 that boasts a capacity of 2200 mAh which translates to a maximum of 11 hours of non-stop gaming or 7 to 9 hours of continuous video playback.