This device, when installed on the battery output harness, controls power supply to other accessories by switching the battery on/off. Users can press the external switch to turn the main power on/off.
•    Main Power Switch: Rated for up to 100V, 500A (peak 800A). Current on/off switching is controlled via an external button.
•    Auxiliary Power Output: 12V/30A independent output for other devices, also controlled by the main power switch (start/stop linked to the button).
•    Protection Rating: IP68 waterproof and dustproof.