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Home » Best Car Battery Disconnect Switches 2022

Best Car Battery Disconnect Switches 2023

December 29, 2022 by Editorial Team

The battery disconnect switch is one of the most overlooked electronic devices in a car. Hence, it’s also one of the most important. Normally, the battery disconnect is installed near the battery and is activated by a rubber or plastic push-button. When you install a car alarm or a remote start, you have to make sure that you have a way to turn it off. The battery disconnect switch is the way to do it.

Here’s what to look for when shopping for a car battery disconnect switch.

# Preview Product Price
1 Top Post Battery Master Disconnect Switch Top Post Battery Master Disconnect Switch $12.95 Buy on Amazon
2 Ampper Top Post Battery Disconnect Switch, Battery Master Switch Isolator for Power Disconnect Cut Off Ampper Top Post Battery Disconnect Switch, Battery Master Switch Isolator for Power Disconnect Cut Off $7.99 Buy on Amazon
3 Top Post Knife Blade Master Switch, 12V 24V Battery Disconnect Switch for Auto Car RV-Marine Boat Truck Vehicle, Battery Cut Off Shut Off Switch (Negative,Vertical) Top Post Knife Blade Master Switch, 12V 24V Battery Disconnect Switch for Auto Car RV-Marine Boat Truck Vehicle, Battery Cut Off Shut Off Switch (Negative,Vertical) $12.95 Buy on Amazon
4 Ampper Side Post Battery Disconnect Switch, Battery Master Switch Isolator for Power Disconnect Cut Off (with Long Bolt) Ampper Side Post Battery Disconnect Switch, Battery Master Switch Isolator for Power Disconnect Cut Off (with Long Bolt) $7.99 Buy on Amazon
5 Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On/Off) Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On/Off) $13.99 Buy on Amazon
6 CZC AUTO Battery Quick Disconnect Switch Side Post Battery Shut/Cut Off Switch Side Terminal Battery Switch Isolator for Auto Car Truck RV Boat Marine Battery CZC AUTO Battery Quick Disconnect Switch Side Post Battery Shut/Cut Off Switch Side Terminal Battery Switch Isolator for Auto Car Truck RV Boat Marine Battery $8.99 Buy on Amazon
7 Remote Battery Disconnect Switch Upgraded Kill Switch for Car Truck DC12V 200A Wireless Remote Control Anti-Theft Prevent Battery Drain Battery Switch Isolator (Black Negative Wire at The Bottom) Remote Battery Disconnect Switch Upgraded Kill Switch for Car Truck DC12V 200A Wireless Remote Control Anti-Theft Prevent Battery Drain Battery Switch Isolator (Black Negative Wire at The Bottom) $29.99 Buy on Amazon
8 QuickCar Racing Products 55-010 Red 2-1/2 QuickCar Racing Products 55-010 Red 2-1/2″ High x 2-1/2″ Wide Handle Battery Master Disconnect Switch with Black Mounting Panel $37.95 Buy on Amazon
9 CZC AUTO Battery Quick Disconnect Switch Top Post Switch Cut/Shut Off Switch Battery Master Isolator Switch for Boat Car Truck RV Camper Tractor Vehicles CZC AUTO Battery Quick Disconnect Switch Top Post Switch Cut/Shut Off Switch Battery Master Isolator Switch for Boat Car Truck RV Camper Tractor Vehicles $7.99 Buy on Amazon
10 Remote Battery Disconnect Switch 12v, 250A, Anti-Theft Car Kill Switch, Security Prevent Battery Drain, Kill Switch for Car, RV Remote Battery Disconnect Switch 12v, 250A, Anti-Theft Car Kill Switch, Security Prevent Battery Drain, Kill Switch for Car, RV $27.99 Buy on Amazon

Our Editor’s Best Car Battery Disconnect Switches Reviews


Top Post Battery Master Disconnect Switch

 Top Post Battery Master Disconnect Switch

Key Features:

  • This product is a battery disconnect switch that is ideal for use with a car, truck, boat, or RV. It is designed to safely and effectively disconnect the battery from the electrical system, preventing any power from being drawn from the battery.

  • This is a car battery disconnect switch that is easy to install and use. You just need to twist the knob to cut off the power.

  • This car battery disconnect switch is made of solid brass, which is resistant to rust and corrosion. It is durable and made for safety use.

  • The car battery disconnect switches are used to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use, and disconnect the battery safely.

$12.95 Buy on Amazon


Ampper Top Post Battery Disconnect Switch, Battery Master Switch Isolator for Power Disconnect Cut Off

 Ampper Top Post Battery Disconnect Switch, Battery Master Switch Isolator for Power Disconnect Cut Off

Key Features:

  • This is a car battery disconnect switch that is compatible with a top post terminal and a 15-17 mm cone battery negative post. It is rated for a DC 12 V system and has a current rating of 125 A. It is an On/Off 2 position switch.

  • The car battery disconnect switch is a knob type that is easy to install and simple to use. You just need to twist the knob to cut the power.

  • This is a heavy duty car battery disconnect switch that is rust and corrosion resistant. It is durable and made for safety use.

  • A car battery disconnect switch is a switch that is used to isolate and secure the electrical system by disconnecting the battery. This is done to eliminate any power draw from the battery when the vehicle or boat is not in use.

  • The car battery disconnect switches are used to disconnect the battery from the car, RV, or boat. They have a standard 15-17 mm cone top post terminal, and are also used for electrical equipment.

$7.99 Buy on Amazon


Top Post Knife Blade Master Switch, 12V 24V Battery Disconnect Switch for Auto Car RV-Marine Boat Truck Vehicle, Battery Cut Off Shut Off Switch (Negative,Vertical)

 Top Post Knife Blade Master Switch, 12V 24V Battery Disconnect Switch for Auto Car RV-Marine Boat Truck Vehicle, Battery Cut Off Shut Off Switch (Negative,Vertical)

Key Features:

  • The car battery disconnect switch is suitable for top post terminal and battery negative post. It has a maximum current of 750A and a rated current of 250A.

  • This is a car battery disconnect switch made of brass. It is corrosion resistant and has a good conductive performance. It is durable and safe to use.

  • A car battery disconnect switch is a switch that allows you to cut the power to your car’s battery. This can be useful if you need to disable your car’s battery for any reason. The switch is easy to install and use, and it can be adjusted to a vertical knife switch if needed.

  • This is a car battery disconnect switch that is used to isolate and secure the electrical system. It is used to eliminate any power draw from the battery when the vehicle or boat is not in use. It can also be used to stop unwanted battery drain and prevent theft or unauthorized use.

  • The car battery disconnect switches are designed to provide 100% customer satisfaction by ensuring good quality products and friendly service.

$12.95 Buy on Amazon


Ampper Side Post Battery Disconnect Switch, Battery Master Switch Isolator for Power Disconnect Cut Off (with Long Bolt)

 Ampper Side Post Battery Disconnect Switch, Battery Master Switch Isolator for Power Disconnect Cut Off (with Long Bolt)

Key Features:

  • This car battery disconnect switch is used to turn the power off to the battery. It is compatible with a long bolt and has a 3/8″ hole for the negative post. It is rated for a DC 12V system and has a 125A current.

  • This is a car battery disconnect switch that is easy to install and use. You simply twist the knob to cut the power.

  • This is a heavy duty car battery disconnect switch that is made to be durable and rust and corrosion resistant. It is made for safety use and is a great choice for a shopper.

  • This switch is used to disconnect the battery from the electrical system. This is done to eliminate any power draw from the battery when the vehicle or boat is not in use. This also helps to disconnect the battery safely.

  • A car battery disconnect switch is a switch that is used to disconnect the battery from the car. This is usually used when the car is not in use, or when the battery needs to be replaced.

$7.99 Buy on Amazon


Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On/Off)

 Ampper Battery Switch, 12-48 V Battery Power Cut Master Switch Disconnect Isolator for Car, Vehicle, RV and Boat (On/Off)

Key Features:

  • This is a car battery disconnect switch that is made of durable ABS plastic housing. It is equipped with 4 sets of bolts and has a rear cover that insulates terminals against any short of circuits.

  • This is a car battery disconnect switch that can be turned on or off in two positions. It can handle 275 amps continuously at DC 12 volts, 455 amps intermittently at DC 12 volts, and 1250 amps momentarily at DC 12 volts.

  • This is a car battery disconnect switch that is used for DC 12-48 V systems. It is used to isolate and secure the electrical system. It can stand alone or be locked together with other switch.

  • This car battery disconnect switch is designed to eliminate any power draw from the battery when the vehicle or boat is not in use, and to safely disconnect the battery.

  • This is a car battery disconnect switch that is easy to install. It is made of copper and is 3/8″ x 2″. It is universal and can be used for cars, vehicles, RVs, boats, and other electrical equipment.

$13.99 Buy on Amazon


CZC AUTO Battery Quick Disconnect Switch Side Post Battery Shut/Cut Off Switch Side Terminal Battery Switch Isolator for Auto Car Truck RV Boat Marine Battery

 CZC AUTO Battery Quick Disconnect Switch Side Post Battery Shut/Cut Off Switch Side Terminal Battery Switch Isolator for Auto Car Truck RV Boat Marine Battery

Key Features:

  • This product is a durable and high quality battery disconnect switch made of zinc alloy with brass plating. It is used for battery negative post 3/8″ hole, DC 12 V system, and has a rated current of 125 A.

  • The on/off switch is to be used for side battery terminals. It is designed to prevent battery from draining during storage or not in use. Good to save battery life.

  • This is a knob-type car battery disconnect switch that is easy to install and operate. To disconnect the battery, turn the knob to the left (counterclockwise). To reconnect the battery, turn the knob to the right (clockwise). This is a quick and simple way to disconnect and reconnect the battery.

  • This product is a car battery disconnect switch that is used for GM side post batteries or other batteries which have a 3/8″ side post terminal. It is also used for electrical equipment.

  • The car battery disconnect switches offered by this shopper come with a 30-day money-back guarantee for any reason, as well as a 12-month warranty for quality-related issues. If you have any problem using our battery disconnect switch, please kindly contact us, and your problem will be solved within 24 hours.

$8.99 Buy on Amazon


Remote Battery Disconnect Switch Upgraded Kill Switch for Car Truck DC12V 200A Wireless Remote Control Anti-Theft Prevent Battery Drain Battery Switch Isolator (Black Negative Wire at The Bottom)

 Remote Battery Disconnect Switch Upgraded Kill Switch for Car Truck DC12V 200A Wireless Remote Control Anti-Theft Prevent Battery Drain Battery Switch Isolator (Black Negative Wire at The Bottom)

Key Features:

  • This car battery disconnect switch is easy to install, with the black negative wire already installed at the bottom of the switch. Be sure to follow the installation instructions carefully.

  • The car battery disconnect switch is a wireless kill switch that allows you to kill your car battery power with remote control. This can help to prevent battery drain and protect the circuit. The car battery disconnect switch can also disconnect the power of your car, so the thief cannot start and steal your car. Just press the remote control button to disconnect your car power system. This is easy to use and will improve security!

  • This is a remote battery disconnect switch that is designed for cars, trucks, RVs, travel trailers, campers, SUVs, ATVs, UTVs, boats, and other vehicles with a 12 volt battery.

  • The car battery disconnect switch is made of silver contact and pure copper wires. It is durable and reliable. The rated current is 200A DC12V. The fittings make mounting contacts stronger. All required wiring harnesses are included.

  • This car battery disconnect switch is easy to install, requiring no modifications. You simply connect the red wire to the positive pole of the battery, and fix the battery clip to the negative pole of the battery. This 12V battery disconnect switch allows you to turn on the power without opening the hood, by simply pressing the remote control key button. This can save you a significant amount of time.

$29.99 Buy on Amazon


QuickCar Racing Products 55-010 Red 2-1/2″ High x 2-1/2″ Wide Handle Battery Master Disconnect Switch with Black Mounting Panel

 QuickCar Racing Products 55-010 Red 2-1/2

Key Features:

  • These car battery disconnect switches are designed to disconnect the battery from the electrical system in order to prevent electrical fires. They are easy to install and can be mounted in a variety of locations.

  • This car battery disconnect switch is designed to be mounted on a panel, making it easy to install and remove. The switch is also weather-resistant, making it ideal for use in all types of weather conditions.

  • This car battery disconnect switch is rated at 125 amps and 12 volts.

  • This panel is used to connect and disconnect a car battery. It is made of aluminum and has an on/off switch.

  • This means that the car battery disconnect switch is specifically designed to fit a certain make and model of vehicle.

$37.95 Buy on Amazon


CZC AUTO Battery Quick Disconnect Switch Top Post Switch Cut/Shut Off Switch Battery Master Isolator Switch for Boat Car Truck RV Camper Tractor Vehicles

 CZC AUTO Battery Quick Disconnect Switch Top Post Switch Cut/Shut Off Switch Battery Master Isolator Switch for Boat Car Truck RV Camper Tractor Vehicles

Key Features:

  • This product is a battery kill switch that helps to disconnect the battery when it is not in use, in order to extend the life of the battery.

  • This car battery disconnect switch is easy to install, taking only 5 steps. You need to make sure the negative battery post and battery clamp (original battery connector) are clean before installation. Then, you tighten the green knob. Next, you remove the negative cable from the battery. After that, you install the disconnect switch on the battery post. Finally, you install the cable on the stud end of the disconnect switch.

  • This is a car battery disconnect switch that is easy to switch on and off by twisting the green knob a few turns. You can also take the knob off to prevent vehicle theft.

  • This is a durable and high quality battery disconnect switch made of zinc alloy with brass plating. It is widely used for car, boat, truck, RV vehicles and electrical equipment.

  • This is a car battery disconnect switch that comes with a 30-day money-back guarantee and a 12-month warranty for any quality-related issues. If you have any problems using this battery disconnect switch, please contact us and we will be able to help you within 24 hours.

$7.99 Buy on Amazon


Remote Battery Disconnect Switch 12v, 250A, Anti-Theft Car Kill Switch, Security Prevent Battery Drain, Kill Switch for Car, RV

 Remote Battery Disconnect Switch 12v, 250A, Anti-Theft Car Kill Switch, Security Prevent Battery Drain, Kill Switch for Car, RV

Key Features:

  • The car battery disconnect switches are double protection switches that are small in size and save space. They are remote battery disconnect switches that thieves cannot start your car with, and they also protect the circuit. No matter how long your car is parked, the battery always has a full charge.

  • The car battery disconnect switches are designed to be easier to install than other similar products on the market. The switches directly disconnect the negative switch, which simplifies the installation process and eliminates the possibility of reversing the positive and negative poles.

  • This car battery disconnect switch is made of high-quality material and pure copper wire. The modules have larger rivers for better reception performance and smaller calorific value. The switch can extend car battery life by 3 – 4 times.

  • The car battery disconnect switches are used to remotely kill the engine on a car, truck, RV, travel trailer, camper, or motorcycle. These switches are suitable for any other engine application with 12-volt batteries. Note: Disconnecting the positive terminal may damage the battery and vehicle circuit.

  • The car battery disconnect switches are a great way to keep your car from being stolen. They are easy to install and come with a remote, so you can easily turn them on and off.

$27.99 Buy on Amazon


Best Car Battery Disconnect Switches Buying Guide

Before choosing the best car battery disconnect switch you should consider following options:

1. Battery Disconnect Switch Specifications: There are two types of battery disconnect switches: manual and automatic.

Manual switches are designed with a lever that you have to lift up to cut off the power to the battery. The switch should be clearly marked so that you do not accidentally move the lever the wrong way. The manual switch is a good option if you want to be extra cautious with your battery.

An automatic switch does not require any manual intervention. When power is supplied to the switch, it disconnects the battery from the car. When the power is cut, the switch reconnects the battery.

There are two types of automatic switches: ones with manual override and ones without. The manual override switch requires you to lift a lever to cut off the power to the battery. The automatic switch without override requires no manual intervention.

2. Battery Disconnect Switch Placement: The battery disconnect switch should be placed in a convenient location. Some people prefer to have the switch in their trunk so that it is out of the way.

Other people choose to have the switch in the engine compartment. Some prefer to have the switch in the engine compartment so that they can easily turn off the battery if they accidentally leave the lights on.

3. Battery Disconnect Switch Size: The size of the switch should match the size of the battery that you have. If you have a large battery, you will need a large switch to match.

If you have a small battery, you will need a small switch to match. You will also want to make sure that the switch can be mounted securely.

4. Battery Disconnect Switch Maintenance: One of the main reasons people choose battery disconnect switches is to avoid accidentally leaving their lights on.

It is pretty easy to forget to turn off your lights or to accidentally leave them on, even with the keys out of the ignition. With a battery disconnect switch, you can rest assured knowing that your battery will be protected.

However, with this type of switch, you will have to remember to turn off the switch before you park. If you don’t, your battery will run down. With this in mind, you will want to make sure that the switch can be easily accessed.

If it is difficult to turn off the switch, you won’t use it and your battery will run down. You will also want to make sure that the switch is easy to turn off.

If it takes too much effort to turn the switch off, you won’t use it and your battery will run down. Ideally, you want a switch that is right by your driver’s seat so that it is easy to access when you park.

The last thing you want is a switch that is hard to turn off. If it takes too much effort to turn the switch off, you won’t use it and your battery will run down.


Car Battery Disconnect Switches FAQs

1. What is a car battery disconnect switch?

A car battery disconnect switch is a switch that is used to disconnect the battery from the electrical system of a car. This switch is usually located under the hood of the car, and it is used to prevent the battery from being accidentally discharged.

2. How does a car battery disconnect switch work?

A car battery disconnect switch is a switch that is installed in line with the positive battery cable. It is used to disconnect the battery from the electrical system of the car.

3. What are the benefits of using a car battery disconnect switch?

There are several benefits of using a car battery disconnect switch. One benefit is that it can help prevent your battery from being drained if your car is not in use for an extended period of time. Another benefit is that it can help prevent your car from being stolen if the thieves are unable to start your car.

4. How do I install a car battery disconnect switch in my car?

Installing a car battery disconnect switch is a relatively simple process. First, find the positive terminal on your car battery and disconnect the cable. Next, connect the positive cable from the switch to the positive terminal on the battery. Finally, connect the negative cable from the switch to the negative terminal on the battery.

5. What are some tips for using a car battery disconnect switch?

1. Make sure the car battery is disconnected before attempting to work on the electrical system.2. Use the switch to disconnect the negative terminal first, then the positive terminal.3. Be sure to reconnect the terminals in the reverse order.4. Keep the switch in a safe and accessible place so that it can be easily turned off in the event of an emergency.


Conclusion

There are many great car battery disconnect switches on the market. Our list of the best car battery disconnect switches will help you save time researching and choosing the best one for you.

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