HIGH SAFETY: This 12V 100A battery isolator switch can safely disconnect the vehicle battery to remove all power from the battery when the vehicle or boat is not in use. Sturdy and high quality: This 12V car battery switch is made of high-quality ABS and metal materials, sturdy and durable, with a long service life. 3 switch positions control the power supply, and the copper binding posts at the bottom prevent the terminals from short-circuiting. Easy to use: Our 12V battery circuit breaker is designed with 3 switch positions ON-OFF-OUT. Switch to ON = power on, switch to OFF = power off. The cover on the top of the battery switch can be removed after being turned over, making it safer and better protecting adults or children. Provides a simple and economical way to separate batteries Specifications: The battery isolation switch provides a continuous current of 100A and an intermittent current of 150A rated at maximum 24VDC to isolate and protect electrical systems. Wide application: