Blue Sea Systems BSS Cover MaxiBus 2105/2126

The Blue Sea Systems 2719B Battery Switch provides rugged and reliable control for dual battery systems in marine, RV, and off-road applications. Featuring a four-position selector—OFF, Battery 1, Battery 2, or BOTH—it offers flexible power management with a simple rotary dial. Built with corrosion-resistant materials, the 2719B withstands harsh environments and heavy-duty use. Rated for up to 350 amps continuous current, this switch ensures safe, efficient battery isolation and power distribution. Its durable construction and intuitive design make it ideal for applications where uninterrupted, reliable electrical performance is essential.