Replacement Remote Battery Disconnect Switch What it does and why you need it Remote wireless emergency stop that cuts battery power with a single button press. Prevents battery discharge, protects vehicle circuits, and stops thieves from starting the vehicle by isolating the power supply. Convenient alternative to repeated under-hood handling: control the vehicle power from up to 160 ft (48.78 m) away. Key features and specifications Durable construction: silver contact points and pure copper wiring for reliable conductivity and long service life. Electrical rating: 120A–200A at DC 12V. Working voltage range 11–15V. Power consumption: 5 mA standby, approximately 3 W during operation. Wireless range: up to 160 ft / 48.78 m. Function: emergency stop / battery isolator / remote disconnect for 12 V systems. Easy installation (no vehicle modifications required) 1. Remove the original negative power line from the battery. 2. Attach the vehicle’s original negative power line to the relay on the switch. 3. Mount the relay to the battery’s negative terminal. 4. Connect the red wire from the switch to the battery’s positive terminal. After installation you can disconnect and reconnect battery power with the remote without opening the hood. Compatibility and applications Designed for 12 V battery systems. Suitable for cars, trucks, caravans, SUVs, vans, ATVs, UTVs, boats and marine craft, agricultural vehicles, trikes, off-road vehicles and other 12 V engine applications. Practical use scenarios Long-term storage: Park a vehicle, boat, or trailer for weeks and prevent parasitic drains that flatten the battery. Anti-theft: Instantly disable the vehicle’s electrical system if there is a theft attempt or unauthorized access. Field or recreational use: Remotely kill power to ATVs, UTVs, or boats when performing maintenance, transporting, or leaving equipment unattended. What sets this unit apart Combines a true remote emergency stop function with heavy-duty electrical components (silver contacts, pure copper wiring) and a wide control range. Rated for high-current 12 V applications while maintaining low standby draw for minimal battery impact.