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12V Battery Circuit Breaker, 240A Battery Switch, Car Battery Switch, Auto Kill Switch for Car, Boat, RV, ATV, Truck

Name: 12V Battery Circuit Breaker, 240A Battery Switch, Car Battery Switch, Auto Kill Switch for Car, Boat, RV, ATV, Truck
Brand: COOCHEER
SKU: SPYZNB-052217
Price: 36.46 GBP
Availability: InStock
Rating: 4.68 (31 reviews)

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Product information

Description

General description

This 12V Battery Circuit Breaker is designed to protect your vehicle's battery from long-term damage caused by power consumption when parked outdoors. It effectively prevents battery drain by automatically disconnecting the power after a set period, ensuring maximum energy storage capacity and prolonging the battery's lifespan.

Technical specifications

Rated voltage: 12V

Rated current: 240A

Instantaneous current: 500A

Standby current consumption: 3mA

Cut-off threshold: 11.8V ± 0.2V

Working temperature: -30 ℃ to 90 ℃

Dimensions: 8.3 cm x 6 cm x 3.5 cm

Compatibility and accessories

Compatible with most 12V vehicles including cars, boats, RVs, trailers, trucks, ATVs, UTVs, and motorcycles with less than 4.0A

Negative terminal sizes: 9-13mm and 15-17mm

Package includes: 1 x Disconnect Switch; 2 x Remote Control; 1 manual

Installation

Uses a negative connection method for easy installation

Ensure to turn off the power before installation

Perform a power-on test after installation

Check battery compartment dimensions for adequate space

Usage

Automatically disconnects power if battery voltage drops below 11.8V after 120 seconds

Manual control available for turning the switch on/off

Prevents accidental power loss while driving if voltage exceeds 13.2V

Other information

This battery protection switch prevents your car from running out of battery when parking outdoors.

Protects from long-term damage, line wear, and forgetting to turn off the lights, maximizing the battery's energy storage capacity and prolonging its lifespan.

Be sure to check and measure your car's battery compartment to ensure there is enough space for installation and that the hood closes properly.

Features

Brand
COOCHEER
Amperage
240 A
Height
35 mm
Width
20 mm
Length
10 mm
Material
Plastic
Weight
500 g
Pcs per pack
1
Voltage
12 V
ManoMano Reference
ME88677396
MMID
275291541688
Product code
SPYZNB-052217
EAN
3181228662120

Customer reviews

4,7

/ 31 Reviews

Reviews verified by ManoMano

Jjean-claude

Published on 28/05/2025, France

very good product, easy assembly meets my expectations.

Aalain

Published on 10/04/2025, France

Easy to install and operate

1 person found this helpful

CClaude

Published on 13/10/2026, France

Perfect, very easy to install, it meets my needs.

SSARL Pro Customer

Published on 16/09/2026, France

Easy to install and easy to use. Great!

FFabien

Published on 26/08/2026, France

I rarely leave a positive review unless asked! This is incredible! If, like me, you only start your van once a month and you're tired of disconnecting the battery every time, buy this! The remote even works with the van locked, amazing! Awesome, thanks! For a Vito.

1 person found this helpful

EEric

Published on 19/08/2026, France

good product

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