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Battery Disconnect Switches & Parts
When drag racing, one of the most important vehicle safety components is the battery disconnect switch. In the event of an accident on the track, the rescue team can quickly cut all electrical power to the vehicle, which will help prevent a fire hazard. Battery disconnects also are helpful during transportation and storage, quickly cutting power to prevent the battery from draining. JEGS offers the best battery disconnect switch selection online from top manufacturers like Painless Performance Products, Moroso, Flaming River, JOES Racing, JEGS, and others. Each disconnect is constructed from high quality components and assembly to provide reliable service for a long time. Browse our full line of battery disconnect switches & parts to help make your drag vehicle ready to race.
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Most cars are never going to have a need for a battery kill switch, but they’re a must for competition situations. If an accident happens on the track or the strip, a car battery shutoff switch allows rescue teams to head off a fire hazard by immediately shutting off the car’s electrical system. In addition, a battery disconnect switch is a great way to preserve your battery’s charge if the car is going to be garaged or stored for long periods. This is where you can find the best battery disconnect switches from top brands like Moroso, Flaming River, Painless Performance Products, Ron Francis Wiring and JEGS. Battery disconnect switches are mandated by many sanctioning bodies, including the SCCA and NHRA, and can make all the difference in an emergency on race day.
A battery kill switch is a device that’s affordable, but also quite valuable. It can give you an added factor of safety in a competition setting by reducing the risk of fire and immediately interrupting the feed from the battery to the car’s electrical system. Also, along with preventing battery drain during storage, it can deter auto theft by making it impossible to start the vehicle. Finally, it makes servicing electrical components under the hood safer by de-energizing the system.
Battery disconnect switches come in a variety of styles and designs, but are easy and straightforward to install. Some switches are set up for a toggle switch or pushbutton on the dashboard, while others are only accessible from under the hood. Most battery disconnect switches will include a mechanical latching solenoid for positive engagement. Moroso’s line of battery disconnect switches are rated for 20 amps, while their Super Duty model is rated for 2000 amps intermittent/300 amps continuous.
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LONGACRE RACING
Battery Disconnect Switch - 2 Terminal 175 amp continuous rating, 1000 amp peak
Part Number: 441-45760
Ships Today
Lowest price guarantee
LONGACRE RACING
Battery Disconnect Switch - 2 Terminal 175 amp continuous rating, 1000 amp peak
Part Number: 441-45760
Ships TodayLowest Price Guarantee
LONGACRE RACING
Push/Pull Battery Disconnect Switch 150 amp Continuous Rating, 1000 amp Peak
Part Number: 441-45749
Ships TodayLowest price guarantee
LONGACRE RACING
Push/Pull Battery Disconnect Switch 150 amp Continuous Rating, 1000 amp Peak
Part Number: 441-45749
Ships TodayLowest Price Guarantee
LONGACRE RACING
Battery Disconnect Switch - 2 Terminal 175 amp Continuous Rating, 1000 amp Peak
Part Number: 441-45750
Ships TomorrowLowest price guarantee
LONGACRE RACING
Battery Disconnect Switch - 2 Terminal 175 amp Continuous Rating, 1000 amp Peak
Part Number: 441-45750
Ships TomorrowLowest Price Guarantee
LONGACRE RACING
Battery Disconnect Switch - 2 Terminal 175 amp Continuous Rating, 1000 amp Peak
Part Number: 441-45753
Ships TomorrowLowest price guarantee
LONGACRE RACING
Battery Disconnect Switch - 2 Terminal 175 amp Continuous Rating, 1000 amp Peak
Part Number: 441-45753
Ships TomorrowLowest Price Guarantee
LONGACRE RACING
2 Terminal Battery Disconnect Kit Includes 2 Terminal Battery Disconnect Switch
Part Number: 441-45750K
Ships TomorrowLowest price guarantee
LONGACRE RACING
2 Terminal Battery Disconnect Kit Includes 2 Terminal Battery Disconnect Switch
Part Number: 441-45750K
Ships TomorrowLowest Price Guarantee
LONGACRE RACING
Battery Disconnect Switch - 4 Terminal 175 amp Continuous Rating, 1000 amp Peak
Part Number: 441-45784
Ships TomorrowLowest price guarantee
LONGACRE RACING
Battery Disconnect Switch - 4 Terminal 175 amp Continuous Rating, 1000 amp Peak
Part Number: 441-45784
Ships TomorrowLowest Price Guarantee
LONGACRE RACING
Battery Disconnect Switch - 4 Terminal 175 amp Continuous Rating, 1000 amp Peak
Part Number: 441-45788
Ships on Sep 02, 2026Lowest price guarantee
LONGACRE RACING
Battery Disconnect Switch - 4 Terminal 175 amp Continuous Rating, 1000 amp Peak
Part Number: 441-45788
Ships on Sep 02, 2026Lowest Price Guarantee
![Battery Disconnect Billet Aluminum Faceplate [Polished Aluminum]](https://www.jegs.com/images/mini_100/500/555/555-10347.jpg)
![Battery Disconnect Billet Aluminum Faceplate [Polished Aluminum]](https://www.jegs.com/images/mini_200/500/555/555-10347.jpg)
How Does a Car Battery Disconnect Work?
A car battery disconnect switch is a valuable device that allows you to completely cut off electrical power from your vehicle's battery. It works by interrupting the electrical connection between the battery and the rest of the vehicle's electrical system. When you turn the switch to the off position, it breaks the circuit, preventing the flow of electricity.
This is particularly useful in situations where you want to prevent battery drain during long periods of vehicle inactivity, such as storage or when working on your car. It ensures that there are no parasitic electrical loads draining your battery. When you're ready to use the vehicle again, simply turn the switch back on to restore power.
Should I Put a Car Battery Disconnect on My Car?
Whether you should install a car battery disconnect switch on your car depends on your specific needs and usage. Here are some scenarios where it can be beneficial:
- Long-Term Storage: If you plan to store your vehicle for an extended period, a disconnect switch can prevent battery drain and extend battery life.
- Security: It can serve as a theft deterrent since it cuts off power, making it difficult for unauthorized individuals to start the vehicle.
- Maintenance: When working on your car, a disconnect switch ensures safety by de-energizing the electrical system.
It's a relatively inexpensive and straightforward addition to your vehicle that provides convenience and peace of mind.
How Much Does a Car Battery Disconnect Cost?
The cost of a car battery disconnect switch can vary depending on its type and quality. Basic manual switches can be found for as low as $10 to $20. More advanced and high-quality disconnect switches with additional features, such as remote control or key-operated switches, may range from $30 to $100 or more. The choice of the disconnect switch should align with your specific requirements and budget.