Quote:
Originally Posted by Brighton27
I would imagine that the only reason you are seeing a difference in voltage reading is that the two circuits measuring the voltage in the charger are not calibrated the same. There may be a slight increase in lead resistance on the balance lead as it's a smaller diameter cable, but over the distance involved it will be negligible.
As a safety feature, totally understand it.
Thinking further about it, I suspect the voltage measuring circuit on the balance port is just a better set of components compared to the main output circuit. nothing to do with volt drop or resistance of leads.
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Could be when i dont use the balance port the main leads will measure 4.2, but its allways under at scruteneering, the only reason the main goes to 4.3 is the balance circuit is taking over.