Heavy Duty Battery Isolator Cut-Off Switch – Car, Truck & Boat

Take Full Control of Your Vehicle's Power with One Simple Twist

The Heavy Duty Battery Isolator Cut-Off Switch is the smart, easy way to disconnect your vehicle's battery when it's not in use — preventing battery drain, electrical faults, and even theft. Built from solid brass alloy, this robust switch is rated IP65 for water and dust resistance, making it ideal for cars, motorcycles, trucks, boats, RVs, tractors, campers, and marine applications.

No more fumbling with battery cables. Simply twist the knob to connect or disconnect your battery in seconds. It's the kind of upgrade every vehicle owner needs.

Made in Mainland China.

Key Features

• Heavy-Duty Brass Construction: Solid brass alloy body resists rust, corrosion, and oxidation for long-lasting, reliable performance.
• Quick Twist Operation: Connect or disconnect your battery power instantly — far more convenient than unplugging battery cables manually.
• IP65 Waterproof Rated: Protected against dust and water jets, perfect for marine, outdoor, and all-weather use.
• Universal Compatibility: Works with 12V electrical systems on cars, motorcycles, trucks, boats, RVs, tractors, and more.
• Prevents Battery Drain: Isolate the battery when the vehicle is stored or not in use to keep it fully charged and ready to go.
• Anti-Theft Protection: Cutting off battery power deters vehicle theft and protects your electrical system.
• Easy Installation: Simple, straightforward setup with just a few steps — no specialist tools required.
• Available in Multiple Colors: Choose from Black, Red, or Blue to suit your setup.

Specifications

• Material: Brass Alloy
• Colors Available: Black, Red, Blue
• Weight: 110g
• Voltage: 12V
• IP Rating: IP65 (Waterproof & Dustproof)
• Package Includes: 1 × Battery Disconnect Switch

Compatible With

Cars • Motorcycles • Trucks • Boats • Marine vessels • RVs • Campers • Tractors • Agricultural equipment • Any 12V battery system

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Safe Wiring Practices

For guidance on safe automotive electrical work, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer safety resources and electrical safety tips.

Learn more: MagSafe (wireless charger)

Frequently Asked Questions

Q: What vehicles is this battery isolator switch compatible with?

A: This universal battery cut-off switch is compatible with any 12V electrical system, including cars, motorcycles, trucks, boats, marine vessels, RVs, campers, and tractors. As long as your battery system runs on 12V, this switch will work perfectly.

Q: How does the quick-release battery isolator switch prevent battery drain?

A: By twisting the knob to the OFF position, the switch completely isolates the battery from the vehicle's electrical system. This prevents parasitic drain from electronics, alarms, or other devices when your vehicle is parked or stored for extended periods.

Q: Is this battery disconnect switch waterproof?

A: Yes! This switch carries an IP65 rating, meaning it is fully protected against dust ingress and water jets from any direction. It is safe to use in outdoor, marine, and all-weather environments.

Q: Is the battery cut-off switch difficult to install?

A: Not at all. The switch is designed for easy DIY installation in just a few simple steps. No specialist tools are required, and it connects directly into your battery terminal line.