Blue Sea 300A Black Mini m-Series 4 Position (OFF/1/2/1+2) Battery Selector Switch New If the external power source

If the external power source is disconnected

Stable Energy for Sensitive Electronics

Backed by a comprehensive 5 year warranty

Built around prismatic cells and supported by an internal Battery Management System (BMS)

Remote reset switch functionality for safe and easy system reboots

Blue Sea 300A Black Mini m-Series 4 Position (OFF/1/2/1+2) Battery Selector Switch New If the external power sourceCompact High Current Battery Selection for Dual Bank Systems The Blue Sea m Series Battery Switch offers a professional solution for managing two isolated battery banks in marine, RV, and automotive applications. As a 4 position selector switch, it allows you to draw power from Battery 1, Battery 2, or both simultaneously, while also providing a complete disconnect (OFF) for safety and storage. Engineered for systems requiring high power handling in a