Best Brass Boat Battery Switches in 2026

🔋【Material】: Heavy duty battery shut off switch made of ABS plastic housing, and the 4 sets of bolts is tinned copper studs(2 x 3/8" (10mm) & nuts for ignition protected to distinguish the different gears easily which you switch to even at night.

🔋【Easy Operation】: RV Battery switch with On/Off position in clear color labels. Switch ON=Power (green) to closed circuit, Switch OFF = No power (red) to the cut-off circuit.

🔋【Compatible 】: Used for 12-48V, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V, battery selector switch can stand alone or be locked together with other switch for minimizing battery loss and preventing electric leakage effectively.

Simple Operation:Switch on = Power; Switch off = No power.Rating: 275A DC Continuous (1hr), 455A DC Intermittent (5 min), 1250A DC Cranking (10 sec); Stud Size: 2x3/8" (10mm)

Durable Material: This battery disconnect switch is made of ABS plastic housing, tinned copper studs and nuts.Come with 4 stainless steel mounting screws and caps to help fix the switch tightly. 4 Removable side plates provide access for battery cables

Safety Protection:battery shut off switch can disconnects the battery safely, protect batteries from excessive drain when vehicle or boat is not in use

Heavy Duty: ABS plastic housing, durable made for safety use, rear cover insulates terminals against any short of circuits, equiped with 4 sets of bolts.

Operation: On/Off 2 positions, 275 A continuous at DC 12V, 455 A intermittent at DC 12V, 1250 A momentary at DC 12V.

Compatible: used for DC 12 - 48 V systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.

Simple Operation:Switch 1&2 = battery 1 & 2 on; Switch off = both off.Rating: 275A DC Continuous (1hr), 455A DC Intermittent (5 min), 1250A DC Cranking (10 sec); Stud Size: 5/16" (8 mm) x 3

Durable Material: This battery disconnect switch is made of ABS plastic housing, tinned copper studs and nuts.Come with 4 stainless steel mounting screws and caps to help fix the switch tightly. 4 Removable side plates provided access for battery cables. 6 pcs 4x5/16" copper lugs, a wrench and 6 pcs heat shrink tubing.

Safety Protection:battery shut off switch can disconnects the battery safely, protect batteries from excessive drain when vehicle or boat is not in use

Designed to connect and disconnect an DC12V 20A electrical circuit at will,SPST:ON-OFF 2 pole；LED Color：Blue；Type:2 Pins (3 Pins with LED)

When the switch is on, The LED lights will come on；Hole diameter：20mm/0.8"；And it comes with a keyhole slot to prevent unwanted rotation；Pre-wired design:Easy to install, and saves unnecessary cost. Wire length: 200mm/ 7.8"

Coppery pin is connected to the battery negative pole,the next pin is connected to the battery positive pole,the last one is connected to the equipment positive pole

Designed to connect and disconnect an DC12V 20A electrical circuit at will,SPST:ON-OFF 2 pole；LED Color：Blue，Red，Yellow，Green；Type:2 Pins (3 Pins with LED)

When the switch is on, The LED lights will come on；Hole diameter：20mm/0.8"；And it comes with a keyhole slot to prevent unwanted rotation；Pre-wired design:Easy to install, and saves unnecessary cost. Wire length: 200mm/ 7.8"

Coppery pin is connected to the battery negative pole,the next pin is connected to the battery positive pole,the last one is connected to the equipment positive pole

【Wide Application】Battery isolator switch is universal used for Car, Van, Caravan, RV, Truck, Marine Boat, Camper, Travel Trailer, Battery Box, ATV, UTV or or any vehicle where a battery cut-off switch is required.

【Compatibility & Benefits】Used for DC 12 - 48V systems to isolate and secure the electrical system; eliminate any power draw from the battery when vehicle is not in use, disconnects the battery safely; provide a reliable way to shutdown electrical power during maintenance and protect batteries from excessive drain.

【Heavy Duty Construction】Sturdy durable ABS housing, rear cover insulates terminals against any short of circuits; 4 removable side plates provide access of up to 1/0 cables; Tin-plated copper studs and nuts for strong oxidation and corrosion resistance

Heavy Duty: all aluminium housing, durable made for safety use. Mounts in 3/4" hole, equiped with a face plate.

Operation: On/Off 2 positions, 200 A continuous at DC 12V, 400 A momentary at DC 12V.

Compatible: used for DC 12 - 24 V systems to isolate and secure the electrical system, can stand alone or be locked together with other switch.

Universal mount selector switch without AFD. Continuous Amps: 230, Momentary Amps: 345

Longer stud lengths for improved assembly and easier cable routing

Built with heavy-duty copper sweep contacts to ensure positive circuit control

STURDY & FULLY ENCLOSED SHUT OFF SWITCH: The Heavy Duty Cut Off Switch is made of ABS plastic housing and copper tin plating inner stud. Fully enclosed design to protect wiring from dirt, corrosion, and rain. This is the best choice in harsh ocean conditions.

COMPATIBILITY & SAFETY: This Battery Kill Switch Used for DC 12 - 48V systems to isolate and secure the electrical system; eliminate any power draw from the battery when vehicle is not in use, disconnects the battery safely; provide a reliable way to shutdown electrical power during maintenance and protect batteries from excessive drain.

EASY TO OPERATE: On/Off 2 position, Suitable for various 12 V/24 V/48 V systems. Rating: 275A DC Continuous (1hr), 455A DC Intermittent (5 min), 1250A DC Cranking (10 sec). Clockwise to turn on , counter clockwise to turn off.

STURDY & FULLY ENCLOSED SHUT OFF SWITCH: The Heavy Duty Cut Off Switch is made of ABS plastic housing and copper tin plating inner stud. Fully enclosed design to protect wiring from dirt, corrosion, and rain. This is the best choice in harsh ocean conditions.

COMPATIBILITY & SAFETY: This Battery Kill Switch Used for DC 12 - 48V systems to isolate and secure the electrical system; eliminate any power draw from the battery when vehicle is not in use, disconnects the battery safely; provide a reliable way to shutdown electrical power during maintenance and protect batteries from excessive drain.

EASY TO OPERATE: On/Off 2 position, Suitable for various 12 V/24 V/48 V systems. Current voltage: rating at 275 A continuous (1 hour) at 48 V DC and 1000 A for 5 seconds. Clockwise to turn on , counter clockwise to turn off.

Heavy Duty: ABS plastic Battery Disconnect Isolator Master Switch with 2 Removable Key Rust and corrosion resistant, Solid cooper nuts and brass washers

Operation: 2 brass Copper pillar: 0.33"/8mm. used for DC 12-24 V systems, On/Off 2 position, rated current: 100A (12V ), Max. withstanding current: 200A (12V ).

Easy operation: disconnect and reconnect battery by one simple turn of the knob on it.The key Can Be Taken Down When There is No Power Connection.In this way,Power Supply Will Not Be Viciously Switched On.Waterproof Case Can Better Protect Key Hole.

Specification: Marine battery switch is in self-cleaning sliding contact design. Rated at 275 amps continuous, 455 amps intermittent, and 1250 amps cranking. Voltage: 12V-48V DC. Stud Size: 2x3/8'' (10mm)

Dual 1-2-Both-Off Battery Switch: With a battery shut off switch you can ON or OFF or both ON/OFF a group of loads irrespective of their individual ON/OFF switch control

Heavy Duty Boat Battery Switch: Made ABS plastic housing, and the 4 sets of bolts is tinned copper studs(2 x 3/8" (10mm). Marine battery kill switch Fits into the contour lock system allowing it to be a stand alone unit, or locked together with other switches

Versatile; use for 6-volt to 32-volt D. C. (direct current) systems

Rated for 300 amps continuous use at 6 volts and 150 amps continuous use at 12 volts

Includes an automatic alternator field circuit disconnect to prevent surges and so, protect your valuable boat electronics

Designed to connect and disconnect an DC12V 20A electrical circuit at will,SPST:ON-OFF 2 pole；LED Color：Blue；Type:2 Pins (3 Pins with LED)Color：Blue;The rocker toggle switch panel is made of high quality aluminum panel and ABS material, which is durable and waterproof

When the switch is on, The LED lights will come on；Hole diameter：20mm/0.8"；And it comes with a keyhole slot to prevent unwanted rotation

Coppery pin is connected to the battery negative pole,the next pin is connected to the battery positive pole,the last one is connected to the equipment positive pole;Metal panel size：95x65mm//3.7"x2.5"

HEAVY-DUTY DISCONNECT SWITCH: This reliable battery kill switch employs structural steel copper plated to provide perfect isolation and preservation for your vehicle’s battery

HIGH VERSATILITY: Able to handle 12-24V of 250A continuous and 750A momentary at DC 12V, our master battery cutoff switch works with top post batteries for a wide range of vehicles including most cars, boats, trucks, RVs, and even jet skis

EASY TO INSTALL & USE: assemble the battery shut off switch to the negative cable. Turns power on and off by just lifting the lever up or down, on/off 2 position

OPERATION: You will get 1 Battery Disconnect Switches, 2PCS Keys, 1 Waterproof Cover,4PCS Copper Ring Terminals and 4PCS Heat Shrink Tubings. This battery kill switch is used for DC 12V 24 V systems, On/Off 2 position, Continue current: 100A. Intermittent current: 750A (5 min).

DIMENSION: 2 brass terminals: 5/16", 2 mounting holes: 3/16". The base is 2.35” in diameter, the post that holds the key stands up 1 1/4” from the base, and it’s diameter is 7/8”

WATER-RESISTANT: This battery master switch comes with 6 keys and 2 weather covers. The red keys can snug fit to curb battery drain and theft. The black cover can prevent from dust and water, prolong their lifespan

RE-UPGRADE: The ordinary model is installed with 2 copper sheets, and the upgraded model has one copper sheet and 2 copper columns. The advantage is that it is easier to install and has better contact.

MORE CONVENIENT - The wireless remote control allows you not to open the hood every time to turn on the power, just press the remote control button to disconnect your car power system, saving you a lot of time and hassle, and the remote control improves safety.

WIDELY APPLICATION: The battery is small and space-saving. 250A rated current - suitable for any 2.5 displacement car, motorcycle, boat, camper, travel trailer, truck, jeep and other engine applications with a 12 volt battery.

!!!!!Note: For facilitate installation, the black negative wire has been installed at the bottom of the battery switch. Please pay attention to the installation instructions; If your car stereo can not be completely power off, then once you use our product to completely disconnect the battery, the stereo needs to be re-matched when you start the vehicle again!!!

REPLACEMENT REMOTE BATTERY DISCONNECT SWITCH - Wireless kill switch enables you to kill your car battery power with remote control, which can help to prevent battery drain and protect the circuit. Besides, car battery disconnect switch can disconnect the power of your car, the theif cannot start and stole your car. Just press the remote control button to disconnect your car power system, easy to use and improve security!

WIDE APPLICATIONS - Remote battery disconnect switch works well for Car, Truck, RV, Travel Trailer, Camper, SUV, ATV, UTV, Marine, Van, Boat, Agricultural Vehicle Trike Auto Off Road Jeep and other engine applications with a 12 volt battery.

EASY TO OPERATE: On/Off 2 position, Suitable for various 12 V/24 V/48 V systems. Current voltage: rating at 275 A continuous (1 hour) at 48 V DC and 1000 A for 5 seconds. Clockwise to turn on , counter clockwise to turn off.

STURDY & FULLY ENCLOSED SHUT OFF SWITCH: The Heavy Duty Cut Off Switch is made of ABS plastic housing and copper tin plating inner stud. Fully enclosed design to protect wiring from dirt, corrosion, and rain. This is the best choice in harsh ocean conditions.

COMPATIBILITY & SAFETY: This Battery Kill Switch Used for DC 12 - 48V systems to isolate and secure the electrical system; eliminate any power draw from the battery when vehicle is not in use, disconnects the battery safely; provide a reliable way to shutdown electrical power during maintenance and protect batteries from excessive drain.

Battery Disconnect Switch: Marine Battery Switch Easy To Install 12V 24V 48V Battery Switch with On/Off position in clear color labels. Switch OFF = No power (red) to the cut-off circuit, Switch ON=Power (green) to closed circuit. Rating: 275 A continuous at DC 12V, 455 A Intermittent at DC 12V, 1250 A momentary at DC 12V..

WaterProof: Battery Disconnect Switch Marine Battery Switch is made of ABS plastic housing and copper tin plating inner stud. Fully enclosed design to protect wiring from dirt, corrosion and rain.

Comprehensive Safety: When Camper RV boat Truck Travel Trailer not in use, disconnecting the power will prevent the battery from draining. If the battery is not disconnected, it will continue to drain until the battery is depleted. When you come back to drive the car for a few months or even six months, the car will no longer be able to fire up. When the vehicle breaks down for maintenance, you can disconnect the current without having to remove the battery clamps.

Cycle Use： Manual Reset Circuit Breaker,No need to replace the inline fuse，can also be used as an on/off button switch for the battery

Overcurrent Protection：Compact and lightweight design,prevent excessive current, protect the trolling motor from electrical damage, prevents excessive current and stops power surges from damaging Amps

Wide Application：Usually used in auxiliary and accessory circuits for Boat, Marine, RV, Caravan, Winch, Tractor,Truck and ATV applications

STURDY & FULLY ENCLOSED SHUT OFF SWITCH: The Heavy Duty Cut Off Switch is made of ABS plastic housing and copper tin plating inner stud. Fully enclosed design to protect wiring from dirt, corrosion, and rain. This is the best choice in harsh ocean conditions.

COMPATIBILITY & SAFETY: This Battery Kill Switch Used for DC 12 - 48V systems to isolate and secure the electrical system; eliminate any power draw from the battery when vehicle is not in use, disconnects the battery safely; provide a reliable way to shutdown electrical power during maintenance and protect batteries from excessive drain.

EASY TO OPERATE: On/Off 2 position, Suitable for various 12 V/24 V/48 V systems. Rating: 275A DC Continuous (1hr), 455A DC Intermittent (5 min), 1250A DC Cranking (10 sec). Clockwise to turn on , counter clockwise to turn off.

【Wide Application】Battery disconnect switch is widely used for cars, autos, boats, RVs, yachts, trucks and engineering vehicles.

【Operation】Just turn the knob to turn it on or off. The knob switch can be locked on the panel to prevent accidental closing or opening.

【Specifications】Working voltage: 12V 24V 36V , rated current: 500A, instantaneous current: 5000A. Two 10mm threaded studs with nuts for the negative battery cable.

【SAFETY PROTECTION】Our master battery disconnect switch provides power cut off to electrical system, to help prevent battery drain,safety and efficient. For safety and environmental protection,When car or boat or RV is not in use, disconnects the battery safely.

【HIGH CURRENT BATTERY SWITCH】Rated to 300 Amps continuous duty, 1000 Amps intermittent duty, used for 12-48 VDC systems to isolate and secure the electrical system,can stand alone or be locked together with other switch.

【PREMIUM QUALITY】 Heavy duty metal case(all aluminium housing) has strong weather resistance, protects internal components of the switch for use in the harshest conditions,The surface treatment is bright chrome plating,Rust free and has a long service life.Mounts in 3/4" hole, equiped with a face plate.Copper terminal stud size: 3/8" (10 mm) x 2.

Heavy Duty Universal Battery Disconnect Switch: This battery kill switch is universally applied for marine, RV, car, boat, travel trailer, truck, ATV, UTV battery and other 12-48V devices, which makes it effortless to turn the battery on and off, battery disconnect provide a reliable way to shutdown electrical power, protect batteries from excessive drain, more importantly to preventing electric leakage.

ABS Plastic Housing: The cover of battery shut off switch is made of ABS plastic, has good insulation resistivity, corrosion resistance, heat resistant water proof, rear cover insulates terminals ensuring that moisture won’t creep inside it. With ON/ OFF 2 positions in clear color labels, ON (green) represents the closed circuit and OFF (red) represents the cut off circuit.

Copper Ring Terminals: Our on off battery switch have 8 pcs 2 x 3/8 copper ring terminals, design with observation window, make it easy to find the right terminal, can provide great convenience for your battery cut off switch installation, there are also have good conductivity and stability.

The standby current of this car kill switch anti theft is only 0.003A, which is far lower than the standby current of the original car, which is more than 60 mA. It will not drain your battery;

Smart Voltage Kill Switch: The LCD display of the battery kill switch detects the voltage at all times. In smart mode, when the battery voltage is lower than 12.2V, the switch will automatically turn off after 3 minutes, when the battery voltage is higher than 13.2V(for example, driving), remote will not control the switch;

Remote battery disconnect switch works well for Car, Truck, RV, Travel Trailer, Camper, SUV, ATV, UTV, Marine, Van, Boat, Agricultural Vehicle Trike Auto Off Road Jeep and other engine applications with a 12 volt battery.

Heavy duty, made of copper ABS, durable for safety use. Rear cover insulates terminals against any short of circuits.

Battery disconnect switch can disconnects the battery safely, to eliminate any power draw from the battery when vehicle or boat is not in use. Provides an effective way to avoid auto car theft.

Suitable for all vehicles with battery voltage of 12V/24V. For car, vehicle, RV, marine, boat, also electrical equipment's switch.

HEAVY-DUTY DISCONNECT SWITCH: This reliable battery kill switch employs structural steel copper plated to provide perfect isolation and preservation for your vehicle’s battery

HIGH VERSATILITY: Able to handle 12-24V of 250A continuous and 750A momentary at DC 12V, our master battery cutoff switch works with top post batteries for a wide range of vehicles including most cars, boats, trucks, RVs, and even jet skis

EASY TO INSTALL & USE: assemble the battery shut off switch to the negative cable. Turns power on and off by just lifting the lever up or down, on/off 2 position

You can install this battery disconnect switch easily due to the simple structure design and fine workmanship.

You can directly replace your old or damaged one because it features better performance and high reliability.

It is constructed of plastic and copper material.