Why are the 4 wires on li-on battery pack?
I know two are for positive and negative, but what about the two others? are they used to for monitor current or something else? what are those two wires called?
Thanks
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Support V is for Voltage
It's a 3s string, I'm assuming. There's a wire in between each cell connection so the charger can monitor individual cell voltage and keep the pack balanced.
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