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12V 240A Car Battery Switch Automatic Cut Off Kill Switch for Car Boat RV SUV Truck.

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Product information

Description

General description

This 12V 240A Car Battery Switch is an automatic cut-off kill switch designed for vehicles such as cars, boats, RVs, SUVs, trucks, and motorcycles. It prevents battery drainage during long-term parking and protects against frayed cables and forgotten lights, maximizing energy storage and prolonging battery life.

Technical specifications

  • Rated voltage: 12V
  • Rated current: 240A
  • Instantaneous current: 500A
  • Standby current: 3mA
  • Working temperature: -30°C to 90°C
  • Cut-off threshold: 11.8V + 0.2V
  • Dimensions: 8.3cm x 6cm x 3.5cm
  • Compatibility and accessories

    This automatic battery cut-off switch is compatible with most 12V vehicles, including cars, boats, RVs, trailers, trucks, ATVs, UTVs, and motorcycles with a cylinder capacity of less than 4 liters. Package includes: 1 x Disconnect Switch, 2 x Remote Controls, 1 manual.

    Installation

    The battery disconnect switch uses a negative pole connection method, making installation straightforward. Ensure to turn off the power before installation and perform a power-on test afterward. Note that it is not suitable for vehicles with small pole heads (negative pole sizes: 9-13mm and 15-17mm).

    Usage

    The switch features both manual and remote control operation. It automatically turns off when the battery voltage drops below 11.8V after a 120-second delay to save power. When the voltage exceeds 13.2V, the remote control is disabled to prevent accidental shutdown while driving.

    Other information

  • Manual & Remote Control Operation: This 12V automatic battery cut-off switch prevents your car battery from being drained by long-term parking, frayed cables, and forgetting to turn off the lights. It maximizes the battery's energy storage capacity, effectively protects the battery, and prolongs its lifespan.
  • Low power consumption: Battery switch working temperature: -30 °C to 90 °C, standby current consumption: 3 mA, rated current: 240 A, rated voltage: 12 V. Cut-off threshold: 11.8 V + 0.2 V, instantaneous current: 500 A.
  • Easy to install: The battery disconnect switch uses the negative pole connection method, it is easy to install and has more stable performance. Be sure to turn off the power before installation and perform a power-on test afterward.
  • Negative Pole: 9-13mm and 15-17mm, not suitable for vehicles with small pole heads. Before ordering, please check and measure your car's battery compartment to ensure there is enough space for installation and the hood closes properly.
  • 1234

    Features

    • Brand
      COOCHEER
    • Pcs per pack
      1
    • Terminal lug adapter only
      Yes
    • Height
      35 mm
    • Nominal intensity
      DC
    • Width
      60 mm
    • Length
      83 mm
    • Material
      Plastic
    • Number of terminals
      2
    • Weight
      500 g
    • Terminal Polarity
      Negative
    • Voltage
      12 V
    • Type of connection
      Automatic
    • Cable Connection Type
      Cable lug
    • ManoMano Reference
      ME88677353
    • MMID
      391433133610
    • Product code
      SPYZNB-052216
    • EAN
      3181228662113

    Customer reviews

    MMarjorie
    Published on 13/02/2025, France

    Very good, perfect for my vehicle

    GGiacomo
    Published on 08/10/2024, France

    Met my expectations and easily set up.

    MManoMano Customer
    Published on 30/04/2025, France

    Very good product thank you

    LLaurent
    Published on 03/08/2026, France

    Easy installation. Guaranteed effectiveness.

    FFrédéric
    Published on 16/06/2026, France

    Seems to be working well, we'll see in the long term...

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