12V/24V Battery Cut-Off Switch | Zinc Alloy Disconnect Knob
12V/24V Battery Cut-Off Switch | Zinc Alloy Disconnect Knob
12V/24V Dual Voltage Battery Cut-Off Switch with Zinc Alloy & PCB Design
Take full control of your vehicle's electrical system with this heavy-duty battery disconnect switch. Designed for 12V and 24V systems, this negative pole cut-off switch is built with a robust zinc alloy and flame-retardant ABS body, high-conductivity brass contacts, and a tool-free twist knob for effortless daily operation. Whether you're parking your RV for the season or managing electrical accessories on a truck or tractor, this switch delivers dependable, long-lasting performance.
Made in Mainland China.
Key Features
- Dual Voltage Compatibility: Works with both 12V and 24V electrical systems, making it suitable for a wide range of vehicles including cars, trucks, buses, tractors, agricultural vehicles, and RVs.
- High-Current Rated: Handles a rated current of 100A and an instantaneous current of up to 1000A, ensuring stable performance under demanding conditions.
- Prevents Battery Drain: Instantly cuts off power to protect your battery during long-term parking, reducing energy loss and extending overall battery life.
- Heat-Resistant Copper Contacts: High-conductivity, wear-resistant copper internals provide a stable, reliable electrical connection and excellent thermal management.
- Tool-Free Twist Knob: The intuitive knob mechanism allows quick installation and daily operation without any tools — perfect for everyday convenience.
- Fire & Leakage Protection: Acts as must-have safety equipment for RVs and modified vehicles, guarding against electrical leakage and fire hazards.
- Versatile Electrical Control: Can be used to control flashing lights, chassis lights, fog lights, ceiling lights, instant power-off equipment, and more.
- PCB Design: Integrated PCB layout adds structural integrity and ensures consistent, reliable electrical performance.
Specifications
| Voltage | 12V / 24V |
| Rated Current | 100A |
| Instantaneous Current | 1000A |
| Material | Zinc Alloy, Brass Contacts, Flame-Retardant ABS |
| Applicable Vehicles | Cars, Trucks, Buses, Tractors, Agricultural Vehicles, RVs |
| Operation | Tool-Free Twist Knob |
| Origin | Mainland China |
What's in the Box?
- 1 × Car Battery Disconnect Switch
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Note: Due to different lighting and monitor settings, colors may vary slightly from photos. Please allow a 1–2 cm measurement tolerance due to manual measurement methods.
Learn more: FuelEconomy.gov on vehicle maintenance
Frequently Asked Questions
Q: Is this battery disconnect switch compatible with both 12V and 24V vehicles?
A: Yes! This battery cut-off switch is fully compatible with both 12V and 24V electrical systems, making it suitable for cars, trucks, buses, tractors, agricultural vehicles, RVs, and more.
Q: Do I need special tools to install or operate this switch?
A: No special tools are required. The switch features a tool-free twist knob design that makes installation and daily operation quick and straightforward for any user.
Q: What is the maximum current this switch can handle?
A: This switch has a rated operating current of 100A and can handle instantaneous peak currents of up to 1000A, providing robust performance for a wide range of vehicle electrical applications.
Q: Can this switch help protect my vehicle's battery during long-term storage?
A: Absolutely. By cutting off the negative pole connection when your vehicle is parked for extended periods, this switch prevents parasitic battery drain and helps extend overall battery longevity.
Q: What materials is this battery disconnect switch made from?
A: The body is constructed from durable zinc alloy and flame-retardant ABS plastic, while the internal contacts are made from high-conductivity, heat-resistant brass — ensuring long-lasting, stable electrical performance.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.