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I hope this is not a silly question to ask but I have 3 x 12v batteries wired in parrallel ( + to + & - to - ) where my multi-plus inverter has two positive leads & two negitive leads coming off two batteries. When I install my smart shunt ( If correct ) I put the two negitive leads coming back from the inverter on the ground side but would I put two leads on the other side of the shunt back to the batteries or just a single lead.
You only use 1 + and - connection, you have 1 set of 12V
Yes.
Nothing can be connected between the shunt and the batteries to meter properly.
I can see why you would ask that with the setup. Normal banks have only one take off point on both negative and positive. Usually at opposite ends of the bank.
