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skellyo · 11.21.2008, 09:59 AM

If you measure negative voltages across the Hyperion taps on your other packs, then you have your ground lead attached to the positive side of cell 4. Then when you measure, you get the following:

Cell 4 + to Cell 3/4 junction = -3.7V
Cell 4 + to Cell 2/3 junction = -7.4V
Cell 4 + to Cell 1/2 junction = -11.1V
Cell 4 + to Cell 1 - = -14.8V

In short, you have your wires backwards in the balance tap.

	(#4)
skellyo RC-Monster Brushless Offline Posts: 2,466 Join Date: Jan 2006 Location: Florida	11.21.2008, 09:59 AM If you measure negative voltages across the Hyperion taps on your other packs, then you have your ground lead attached to the positive side of cell 4. Then when you measure, you get the following: Cell 4 + to Cell 3/4 junction = -3.7V Cell 4 + to Cell 2/3 junction = -7.4V Cell 4 + to Cell 1/2 junction = -11.1V Cell 4 + to Cell 1 - = -14.8V In short, you have your wires backwards in the balance tap.