12V/24V Remote Control Car Battery Disconnect Switch Relay – Wireless Battery Cut-Off System

Protect your vehicle’s battery and prevent unwanted power drain with the 12V/24V Remote Control Battery Disconnect Switch Relay. This smart device allows you to remotely turn your car battery on or off with a simple press of a button — no need to manually disconnect cables.

Designed for cars, trucks, RVs, boats, and other 12V/24V systems, it helps extend battery life and ensures safety during long periods of non-use. The wireless control system makes operation quick and convenient, while the heavy-duty relay ensures stable and reliable performance.

Key Features:

• Remote control battery switch for 12V/24V vehicles

• Effortlessly turn battery power on/off from a distance

• Prevents battery drain and leakage during storage

• Strong relay design ensures stable current and durability

• Suitable for cars, trucks, RVs, boats, and machinery

• Easy to install and operate
  
  
  

  Installation Process for 12V/24V Remote Control Battery Disconnect Switch

  ⚠️ Important Note:

  It is recommended to connect the switch to the battery’s negative terminal.
  If there is no available position on the negative side, connect it to the positive terminal instead.

  ---

  Step 1 – Prepare the Battery Connection

  • Turn off the vehicle power completely.

  • Remove the buckle (clamp) from the negative pole of the battery.

    • (If installing on the positive pole, remove it from the positive side instead.)

  ---

  Step 2 – Install the Main Unit

  • Refer to the installation diagram on page 1 of your manual.

  • Place the two copper plates together and secure them to the battery terminal clamp.

  • Ensure firm contact between the copper plates and terminal for efficient power flow.

  • Mount the battery power-off switch unit securely near the battery.

  ---

  Step 3 – Connect the Wires

  • Attach the switch leads to the battery following the polarity diagram:

    • Red wire → Positive pole (+)

    • Black wire → Negative pole (–)

  • Ensure all terminals are tight and secure.

  • Double-check that the relay module and socket connections are properly aligned.

  ---

  Step 4 – Test the System

  • Use the included remote controller to test functionality:

    • Press the “ON” button to activate (power on) the battery.

    • Press the “OFF” button to cut off (power off) the battery.

  • Verify that the vehicle starts normally when powered on and that the circuit is fully disconnected when powered off.

  ---

  Included Components

  (As shown on page 3 of the manual)

  • 1 × Battery Power-Off Switch Unit

  • 2 × Remote Controllers

  • 1 × Positive Metal Clamp

  • 1 × Negative Metal Clamp

  • 2 × Copper Plates

  • 1 × Red Positive Wire & 1 × Black Negative Wire

  • 1 × Pair of Red and Black Nuts

  ---

  Safety Tips

  • Disconnect the vehicle’s battery before installation to avoid short circuits.

  • Ensure good contact between the copper plates and the terminal clamp.

  • Avoid placing the control unit near heat sources or moving parts.

  • Test the remote range before closing the bonnet.