As the rest of the boat i could choose the cheapest option , however if i do most of the parts will fail in the first year or so . i will be fitting good quality parts as standard so durite electrical gets the vote.
Battery Isolator – 100A at 24V and 500A
Battery isolator with removable key and splashproof cover. With independent ignition switching and controlled earth leakage through a resistor to avoid damage through load dumping. Rated 100 amps at 24 volts and 500 amps for 5 seconds. M10 studs.
Wiring diagrams will be uploaded for the different engine and spec.