Safety Protection: With a continuous rating of 300A—45% higher than standard switches, and a maximum voltage of 32V DC, it eliminates any power draw from the battery when vehicles or boats are not in use, ensuring a safe disconnection. BATTERY SELECTOR SWITCH Features & Benefits 4 Positions: 1 - 2- Both - Off The selector switch will allow the use of one battery for engine starting and one battery for auxiliary electrical equipment. Batteries may be placed in parallel by switching to (BOTH) for emergency usage Small in size, Fine appearance, Sturdy and durable Can be installed in any position 175A continuous duty at DC-12V... Superior Quality: Constructed with high-quality ABS plastic for the housing and tinned copper studs, this design prevents battery switch leakage, protects the power supply, and safely disconnects the battery. Plastimo 17540 Rotary Battery Switch – Aeliya Marine Off-road Vehicle Battery Switch Nilight 1 2 Both Off Battery Switch, 12V 48V Battery Disconnect Master 12V 24V Battery Isolator Suitable for yachts, RVs, off-road vehicles, modified vehicles, and ATV UTVs. Best Marine Battery Switches: A Comprehensive Guide The chassis design supports surface, front panel, or rear panel mounting. Spark-Proof Design: Featuring an ignition-proof design, it can be safely installed on gasoline-powered boats.