Description
Absolute Power Control for Your Vehicle
Take complete command of your vehicle’s electrical system with our top-post battery disconnect switch, crafted from galvanized iron. It is specifically engineered to completely eliminate “parasitic drain” (standby power consumption), safeguard battery health, and provide enhanced security while your vehicle is idle.


Premium Galvanized Iron Construction
Precision-cast from galvanized iron, this disconnect switch offers not only superior electrical conductivity but also unparalleled resistance to corrosion. Unlike cheap alloy imitations, it will never rust or degrade over time; ensuring a secure, reliable connection and an exceptionally long service life—even within the harsh environment of an engine bay.

Effortless Vertical Blade Operation
No tools required for daily use. Simply lift the vertical blade lever to safely cut the power, and lower it to restore the connection. The intuitive design makes it incredibly easy to isolate your battery during storage, repairs, or emergency situations.

Universal Fit & Extreme Capacity
Designed for flawless performance across DC 12-24V electrical systems. Capable of handling a massive 250A continuous current and surviving 750A instantaneous surges. Perfectly adapts to standard 15-17mm conical negative battery posts on trucks, cars, marine vessels, and motorhomes.
Technical Specifications
Precision engineered parameters for safe and reliable power management.
| Specification | Details |
|---|---|
| Voltage Compatibility | DC 12V – 24V |
| Continuous Current | 250 A |
| Instantaneous Current | 750 A |
| Top Post Fitment | 15 – 17 mm (0.59 – 0.67 in) |
| Material | Galvanized Iron |
| Switch Style | Vertical Blade / Knife Switch |
Frequently Asked Questions
Will this fit my standard vehicle battery?
Yes. This switch is universally designed to fit standard 15-17mm (0.59-0.67 in) conical top negative posts found on the vast majority of cars, trucks, RVs, and marine batteries.
Does it effectively stop battery drain during long-term storage?
Absolutely. By lifting the blade, you completely isolate the battery from the vehicle’s electrical system, eliminating any parasitic power draw and drastically extending your battery’s lifespan when not in use.
Where on the battery should I install this switch?
For maximum safety, always install the disconnect switch on the Negative (-) post of the battery. Disconnect your current negative cable, attach the switch to the post, and then attach the cable to the other end of the switch.











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