Originally Posted by Cotton17
I got hold of a voltmeter of a friend and measured the battery and it read about 4.5v when on the battery it says 7.4v is this good or bad?
After use and a short rest period, ought to be 7.6 volts or so.
OK, the charger will not charge the pack until it sees some minimum voltage - normally about 3 volts per cell. If you can get the battery back up to about 6 volts or so, it will probably charge.