[Jeckel]

I can't find the exact files that correspond to the battery image(s) on my device (the system images, I do have WinterBoard batteries which I can find, but that won't help). If you search around (maybe the System or stash folders?) you'd find it. Still, the easiest thing to do would be to see if you could download it with Installer/Cydia as that (hopefully) would put it in the correct place.