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![Mastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank [83125035] Marine Navigation & Instruments | Sounder/Sonar Modules the Rule-A-Matic has been the](https://cdn.shopify.com/s/files/1/0499/1942/6726/products/54857XL.jpg?v=1605255463)
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the Rule-A-Matic has been the switch of choice for boaters the world over
Yamaha Marine (Command Link Plus only)
1 x SeaTalkngg Backbone Cable (5m)
Fits ALL makes of impeller
Mastervolt Battery Mate 2503 IG Isolator - 200 Amp, 3 Bank [83125035] Marine Navigation & Instruments | Sounder/Sonar Modules the Rule-A-Matic has been theBattery Mate 2503 IG Isolator 200 Amp, 3 Bank The Battery Mate is the ultimate solution for charging several batteries simultaneously and is compatible with any type of alternator battery charger, in both existing and new systems. As the voltage loss between the alternator and battery is negligible, the Battery Mate performs far better than conventional battery isolators. This ensures fast and complete charging of your batteries without having to make
