Hi all, My friend has a late uMB and his magsafe port is very very lose. Coincidentally, his battery stopped charging around 10 days after. His computer always runs on AC power and it says the battery isnt charging but it gains around 4% every hour. He thinks its because the lose port, but I think something else is wrong. Anyone have any ideas? He has tried 3 batteries to no avail. Any help is appreciated.