12V/24V Universal Car Battery Disconnect Isolator – Cut Off Switch for Car, Truck & Boat

Keep your vehicle's electrical system safe and your battery in peak condition with this 12V/24V Universal Car Battery Disconnect Isolator Switch. Whether you're storing your car, working on repairs, or preventing parasitic battery drain, this heavy-duty cut-off switch gives you instant, effortless control over your vehicle's power. Compatible with cars, trucks, boats, and other 12V or 24V vehicles.

Made in Mainland China.

Key Features

Pure Copper Construction: Built from high-grade copper for maximum electrical conductivity, long-lasting durability, and superior resistance to corrosion — protecting your vehicle's entire electrical system.
Anti-Leakage Protection: The built-in anti-leakage mechanism prevents slow battery drain caused by electrical faults or standing charge loss, extending your battery's overall lifespan.
Easy One-Turn Operation: Simple, user-friendly rotary design lets you disconnect or reconnect your battery in seconds — no tools required. Perfect for drivers of all skill levels.
Universal 12V & 24V Compatibility: Suitable for cars, sedans, trucks, SUVs, boats, RVs, and more — works seamlessly with both 12-volt and 24-volt battery systems.
Heavy-Duty & Weather-Resistant: Ruggedly constructed to perform reliably in harsh conditions, including extreme heat, cold, and moisture — ideal for frequent use in demanding environments.
Theft Deterrent: Disconnecting your battery with this switch when the vehicle is parked adds an extra layer of security, preventing unauthorized engine starts.

Specifications

Voltage Compatibility: 12V / 24V DC
Material: Pure Copper (contacts) / ABS (housing)
Dimensions: 104 × 46 × 32 mm / 4.09 × 1.81 × 1.26 inches
Compatible Vehicles: Cars, Trucks, Boats, RVs, Motorcycles
Origin: Mainland China

What's in the Box

1 × Car Battery Disconnect Isolator Switch

Note: Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Please allow a 1–2 cm difference in measurements due to manual measuring.

Learn More About Vehicle Electrical Safety

For guidance on safe automotive electrical maintenance, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: Is this car battery disconnect switch compatible with both 12V and 24V vehicles?

A: Yes! This universal battery disconnect isolator is fully compatible with 12V and 24V electrical systems, making it suitable for cars, trucks, SUVs, boats, RVs, and more.

Q: How does the battery disconnect switch prevent battery drain?

A: The switch features a built-in anti-leakage mechanism that completely cuts power flow between the battery and the vehicle's electrical system when in the "off" position. This prevents parasitic drain from electronics, alarms, or wiring faults when the vehicle is parked or in storage.

Q: Is installation easy? Do I need special tools?

A: Installation is straightforward and requires only basic tools. The rotary cut-off switch is designed for easy mounting on battery terminals, and daily operation (disconnecting/reconnecting) requires no tools at all — simply turn the switch to lock or unlock power.

Q: Can this switch be used as a theft deterrent?

A: Absolutely. By switching the isolator to the "off" position when your vehicle is unattended, you prevent unauthorized engine starts, adding a simple but effective layer of anti-theft protection to your car, truck, or boat.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.