Commodore 4-Position Compact Dual Battery Selector Switch [CM-402S]4 Position Compact Dual Battery Selector Switch The 4 Position Battery Selector Switch is the ultimate solution for managing multiple battery banks in marine or RV electrical systems. Designed for 12V to 32V applications, this switch allows you to isolate battery banks, combine them, or direct power to all loads with a simple turn. Engineered with tin plated copper studs, the switch ensures maximum conductivity and corrosion resistance for reliable