Battery box with tie-down or battery bracket; 2/0 marine-grade cable, red & black; 2/0 marine-grade cable lugs, either crimped or soldered; Heat-shrink tubing to seal cable-lug connections; If you ...

Connect the negative battery terminal to the M10 bolt on the “battery minus” side of the SmartShunt using a black (to denote negative) marine-grade battery cable in the appropriate AWG size for the ...