Heavy-Duty Battery Disconnect Switch 🔋 – 12–24V, 300A Continuousv

Overview

Stop parasitic battery drain and safeguard your vehicle’s electrical system with this heavy‑duty battery disconnect isolator switch . Simply flip the lever to cut off battery power completely, preventing slow power leakage when your car, marine boat, RV or ATV sits idle. 

Key Features

⚡ High‑Current Handling Performance. 

Supports 300A continuous working current and up to 1000A intermittent surge current. It can withstand sudden electrical surges without switch failure, perfectly suited for heavy‑duty starting loads on trucks, boats and off‑road vehicles.

🛡️ Critical Safety Function. 

Fully cuts all parasitic loads and leakage currents. Isolate power storage when vehicles are parked long‑term for storage or maintenance, short‑circuit risk is greatly reduced.

🔧 Durable Premium Build Quality. 

Robust alloy outer housing paired with purple copper screws and brass nuts. Excellent weather resistance for long‑term service life, holds up against harsh marine and outdoor working environments. Eliminates parasitic battery drain to extend your battery service life.

✅ Simple Quick Installation. 

Comes with ON/OFF marked face plate, 3/8‑inch brass studs, nuts and locking washers for firm mounting. Fits a 3/4‑inch mounting hole. Clear click feedback when toggling the lever, easy to operate even with gloved hands.

🚗 Broad Compatibility. 

Works for DC 12‑24 volt electrical systems. Universal fit for cars, marine outboard boats, RV, trucks, ATV, UTV, trailers, off‑road machines and other DC powered devices.

Installation Tips

1. Cut off main battery power before you start installation.
2. Select an accessible position to mount the battery kill switch.
3. Disconnect battery negative cable first to avoid live‑wire hazards during setup.
4. Wire positive and negative cables correctly onto switch terminals.
5. Double‑check all secure connections, reconnect battery negative cable.
6. Toggle the lever and confirm the switch turns power ON and OFF normally.

Specifications

Operating Voltage: DC 12‑24V
Continuous Rated Current: 300 Amps
Intermittent Surge Current: 1000 Amps
Main Material: Alloy housing, copper conductive parts, brass hardware
Mounting Hole Size: 3/4 inch
Stud Size: 3/8 inch
Overall Product Dimension: 4.3 x 3.5 x 3.5 inches