Battery Switches

Blue Sea 6011 m-Series Mini Dual Circuit Plus Battery Switch - Red

Simultaneously switches two isolated battery banks or combines battery banks to all loads.

Blue Sea 7655 Mini Add a Battery Plus Kit - 65A

Includes a Dual Circuit Plus Battery Switch 6011 a 3 Stage, 10 Amp charger with an integrated 65A Automatic Charging Relay, and a LED charger remote

Blue Sea 3000 HD-Series Battery Switch On-Off

2,750 Amp Cranking Rating - 10 Seconds.

Blue Sea 3002 HD-Series Heavy Duty Selector Battery Switch

Make-before-break contact design allows switching between battery banks without power interruption

Blue Sea 6005 m-Series Mini On-Off Battery Switch with Key - Red

Switches a single battery to a single load group. This model has a removable plastic key for added security and a small 3" x 3" footprint.

Blue Sea 6006 m-Series Mini On-Off Battery Switch with Knob - Red

Small 3" x 3" footprint.

Blue Sea 6006200 m-Series Mini On-Off Battery Switch with Knob - Black

Switches a single battery to a single load group.

Blue Sea 6007 m-Series Mini Selector Battery Switch - Red

"Make before break" contact design allows switching between battery banks without power interruption.

Blue Sea 7649 Add a Battery Mini - 65A

Allows two battery banks to run simultaneously with one simple ON/OFF switch while maintaining battery bank isolation, with an automatic charge relay that combines the batteries while charging.

Blue Sea 7650 Add a Battery Kit - 120A

Allows two battery banks to run simultaneously with one simple ON/OFF switch while maintaining battery bank isolation, with an automatic charge relay that combines the batteries while charging.

Blue Sea 8110 Mini Clamp-on Digital Multimeter

Clamp allows measurement of AC and DC current in wires without disturbing the circuits or contacting live terminals.

Blue Sea 9001e e-Series Battery Switch - Dual Bank

Four positions switch isolated battery banks to all loads or combine battery banks to all loads. Features a luminous label for low light readability and a continuous 350 Amp rating.

Blue Sea 5511e e-Series Dual Circuit Plus Battery Switch

Allows two battery banks to run simultaneously with one simple ON/OFF switch while maintaining battery bank isolation, minimizing the risk of a dead Start battery.

Blue Sea 9002e e-Series Selector Battery Switch with AFD

Alternator Field Disconnect protects the diodes in the alternator if the battery switch is switched to the OFF position while the engine is running.

Blue Sea 9003e e-Series On Off Battery Switch

350A Continuous Rating for small inboard gasoline or diesel engines.

Blue Sea 9004e e-Series Battery Switch with AFD - Single Circuit

350A Continuous Rating for small inboard gasoline or diesel engines, 45% higher than standard switches.

Guest 2110A Universal Mount Battery Switch 345A with AFD

Alternator Field Disconnect (AFD) allows selection of any positions, including "off" without damage to alternator or elecrical system. AFD is required on some electrical systems.

Guest 2111A Battery Selector Switch Universal Mount without AFD

Ideal for smaller vessels. Permits selection of either battery, both batteries in parallel or a complete disconnect of both batteries.

Guest 2304A Extra-Duty Diesel On/Off Battery Switch with AFD

An extra heavy-duty battery selector switch with Alternator Field Disconnect (AFD). 600 Amps Continuous with 1,000 Amps Momentary.

Perko 8503DP Medium Duty Battery Switch with Alternator Field Disconnect

The Alternator Field Disconnect feature offers protection for Non-Unitized Alternators should the switch accidentally be turned to the "OFF" position with the engine running.

Battery Switch 100A Continuous

Blue Sea 7622 ML-ACR Automatic Charging Relay with Manual Control 12V DC 500A

500 Amp Charging Relay automatically combines batteries during charging, and isolates batteries when discharging and when starting the engine, which prevents line drop.

Blue Sea Systems 7605 BatteryLink Charger 10A-2 Bank with ACR

Use 120V AC shore power to charge two isolated battery banks with the 3 Stage 10 Amp battery charger, and when on the water share 12V DC power from the alternator with both the Start and the Auxiliary battery through the integrated 65A Automatic Charging Relay. A complete system in one package.