I just got back into racing, & bought this charger, the previous charger i used is a peak pro with lipo, it had your positive & negatinve to hook to batter & a blue wire that i was told is a balancing wire. My New icharger does not have that & i cant figure out how to balance charge the pack.. ANyone with this charger can Help me out I would greatly appreciate it. The directions arent exactly clear..