Single Engine w/Two Battery Banks w/Motorized VSRThe 80-716-0017-00 is an ideal replacement for a battery selector switch. Simply remove the selector switch and connect the existing wires to a 716 cluster. On this model, the VSR and emergency parallel switch are combined into one voltage-sensitive switch that can be remote operated. The 716 cluster is for use on charging systems up to 150A. To be used in single outboard systems with a dual battery bank or single alternator inboard engines with a dual battery bank. The 716 cluster replaces battery isolator systems.WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.