12V Remote Power Switch for Starlink, 4WD, Caravan & Off-Grid Systems

Control your power instantly with the 4x4LAB 12V Remote Power Switch.

This 30A wireless relay lets you fully cut power to your Starlink setup or any 12V device with the press of a button, no pulling fuses or digging through cupboards. Mount it once and control it from anywhere.

Compatible with 9–72V DC systems, it’s perfect for Starlink Mini, fridges, lights, pumps and more across 4WD, caravan and off-grid setups. With a strong RF signal, compact design and simple install, it’s a clean, reliable way to manage power and prevent unnecessary battery drain.

• Wireless remote control for instant on/off power
• Fully cuts power to eliminate parasitic battery drain
• Rated to 30A for high-draw 12V devices
• Wide input range 9–72V DC (12V & 24V compatible)
• Ideal for Starlink Mini and DC-powered setups
• Strong RF signal works through walls, panels and cupboards
• Reliable range up to ~50m line of sight
• Compact unit with integrated mounting tabs
• Simple 4-terminal wiring (DC input → DC output)
• Includes 2 remotes with batteries pre-installed

This unit works perfectly with:

• Starlink Mini
• Starlink 12V conversions
• Starlink DC setups via booster
• Routers & DC power supplies

It supports 9–72V DC, making it suitable for:

• 12V systems
• 24V systems
• Dual battery setups
• Lithium or AGM battery banks

⚠️ Designed for DC systems only.

Not just for Starlink.

Use it to remotely control:

• Fridges
• Water pumps
• LED lighting
• Diesel heaters
• Roof fans
• Air compressors
• 12V outlets

If it runs on DC and draws under 30A, you’re good.

Specifications:

• Voltage: 9–72V DC
• Max Current: 30A
• Frequency: 433Mhz
• Operating Temp: -20°C to +60°C
• Remotes: 2 included
• Battery: CR2032 (included)

Reliable RF control up to approx. 50m (line of sight).
Works through walls, cupboards and canopy panels.

• Rated up to 30A
• Wide voltage range (9-72V DC)
• Stable wireless RF signal
• Compact form factor
• Mounting tabs included

The wireless signal passes through panels, cupboards and walls, ideal for hidden installs.

Simple 3-terminal setup:

1. Battery or fuse panel → DC Input Device → DC Output
2. Mount using the side tabs inside canopy, drawer system, van cabinet or electrical box.
3. If you're comfortable wiring a fuse block, you can install this.

(As always, we recommend proper fusing in line with your setup.)

• Designed for DC systems only (9–72V) – not suitable for 240V/AC
• Compatible with 12V and 24V setups, including AGM and lithium systems
• Rated up to 30A max load – ensure connected device does not exceed this
• Requires installation between power source and device (inline control)
• Suitable for mounting inside canopies, drawers, cabinets or electrical boxes
• Wireless signal works through panels, walls and cupboards
• Best suited for permanently wired setups, not temporary plug-and-play use
• Ideal for devices like Starlink, fridges, pumps, lighting and fans
• For safety, always install with appropriate fuse protection for your circuit
• Remote range up to ~50m line of sight (reduced with obstructions)

• 1x 30A Remote Control Relay
• 2x Wireless Remotes
• CR2032 Batteries (pre-installed)
  Manual

Ready to install straight out of the box.