Product Description On-Off Battery Disconnect Switch Widely Application: The battery disconnect switch is widely applied to sailboat, yacht, marine, SUV, bus, passenger car, caravan, motorcycle, truck, etc. The heavy-duty power disconnect switch can protect your battery for a long time, as well as prevent electrical leakage and protect your safety! High quality material: plated copper silver + reinforced nylon fire retardant. Package included: 1 battery switch / 1 bottom cover / 4 bolts / 4 baffles (stud size: 3/8'' (10 mm)). Easy to install. install The process of installing the battery switch is very simple. Please pay attention to; arrangement of positive and negative lines, then tighten the four screws to prevent the cable connector from being exposed. to air and does not cause oxidation. Convenient ON / OFF The ON / OFF button is very easy to operate. use and will not appear blocked. ON (green) represents closed circuit; and OFF (red) represents the shutdown circuit. Effectively disconnect the power supply to prevent current loss. Read More Extra Heavy Duty Working Current: 275 A continuous at DC 12V / 455 A intermittent at; DC 12V / 1250 A momentary to DC 12V. DC 12 - 48V systems, On/Off 2 position. Suitable for car, vehicle, RV, marine boat etc. Durable material battery connection is made; in a premium ABS plastic case listed THIS. Resistant to moisture, UV protection, anti-aging, long service life. The rear cover insulates the terminals against any short circuit, meeting the safety requirements. and preventing electrical accidents. Safe locking system The locking system can be used as a unit independent or in parallel with other switches. It can effectively protect the power supply, minimize battery loss and extend battery life. More importantly, it will prevent leaks and protect safety. personal.