Thanks Nick, mine is a Racers Edge 7.4v 5000mah 2s1p with a deans
connector on the power wires and a 3 wire (2 red and 1 black) on
the balance connector.
I know you touch 1 probe to one of the power wires and the other
probe to one of the balancer wires to show voltage for cell 1,
and some other configuration for cell 2.
I just don't know which to touch where,
and I don't want to blow up my battery.