Hi I had the power circuit replaced with a pulled one and the battery doesn't loose its charge but it still won't take a mains power feed in or charge it at all. Anyone have a similiar problem and what was the fix? I have two friends with same model ibook - dual usb ice - and ones moving and the 2nd has had theirs go bang. So no way to charge it now. I did spot online a few models of dual battery chargers but they're 140-ish$ Suggestions? M