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

Keep Your Battery Safe & Secure with a Heavy-Duty Cut-Off Switch

Never worry about a dead battery again. This quick-release battery isolator switch lets you disconnect your vehicle's battery in seconds with a simple twist of the knob — no tools, no fuss. Whether you're storing your car for winter, working on your vehicle, or protecting your marine vessel, this switch gives you instant control over your electrical system.

Made in Mainland China.

Why You'll Love It

• Heavy-duty brass construction — rust-resistant, corrosion-resistant, and built to last
• IP65 weatherproof rating — protected against dust and water jets, ideal for outdoor and marine use
• Twist-knob design — quickly connect or disconnect your battery without unplugging cables every time
• Prevents battery drain — isolate your electrical system when the vehicle is not in use
• Universal compatibility — fits cars, motorcycles, trucks, boats, RVs, tractors, campers, and marine batteries
• Easy installation — simple few-step setup, no professional help needed
• Available in Black, Red & Blue — choose the color that suits your setup

Specifications

• Material: Solid Brass Alloy
• Colors Available: Black, Red, Blue
• Weight: 110g
• Voltage: 12V
• Protection Rating: IP65
• High-Concern Chemicals: None

What's in the Box?

• 1 × Battery Disconnect Switch

Perfect For

Cars, motorcycles, trucks, boats, RVs, campers, tractors, marine vessels, and any 12V battery-powered vehicle or equipment. A must-have for anyone who stores their vehicle seasonally or wants to protect their battery and electrical system from parasitic drain.

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For guidance on vehicle electrical safety and battery maintenance, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer safety information.

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 cars, motorcycles, trucks, boats, RVs, campers, tractors, and most 12V battery-powered vehicles and equipment. Its universal terminal design makes installation straightforward on a wide range of applications.

Q: Is this battery disconnect switch weatherproof?

A: Yes! This heavy-duty battery isolator switch carries an IP65 protection rating, meaning it is fully dust-tight and protected against water jets, making it suitable for outdoor and marine environments.

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

A: Simply twist the knob clockwise to connect the battery and allow power to flow, or twist it counter-clockwise to disconnect and cut off the electrical system. It's much more convenient than physically unplugging battery cables each time and prevents battery drain when the vehicle is not in use.

Q: What material is the switch made from?

A: The switch is constructed from heavy-duty solid brass alloy, which offers excellent conductivity, superior oxidation resistance, and long-lasting corrosion resistance — ensuring safe, reliable performance over time.