About this item Quick, Direct Fit – No Extra Parts Needed Direct installation without needing extra cables or lugs! This battery cut off switch connects directly to the top post of your battery, making it easy to cut off power and secure your electrical system whenever needed. Suitable for anyone, from beginners to DIY enthusiasts. Built to Last and Safe Design Constructed from quality ABS plastic with copper connectors, this battery shut off switch is designed for long-lasting use. It resists corrosion and helps protect your battery from accidental short circuits, so you can rely on it for everyday use. Reliable ON/OFF Control This Top post battery diconnect switch provides dependable control with 250 amps for regular use, and 1000 amps for starting power. Its compatible with 12-48V batteries, making it versatile for cars, RVs, boats, and more. Fits Most Standard Top Post Batteries Made to fit standard top post batteries (15.5-17mm for negative), this switch is suitable for a variety of vehicles, including cars, trucks, RVs, and boats. Its a convenient solution for battery protection. Helps Save Battery Life Disconnecting the battery when your vehicle isnt in use can help prevent power drain, supporting longer battery life.Includes a one-year limited warranty for added peace of mind.We promise to offer help at any time if you have any problems. Product Feature •Directly fit the top negative terminals, eliminating the need for additional cables or connectors, simplifying isolation and protection operations for the power system. •Used for12 - 48 V systems,On/Off 2 positions. Continuous,1000A Cranking . •Used for standard top post battery (15.5-17mm for negative). •ABS plastic housing,enduring made for safety use. •Pure copper terminals have good conductivity •Preventing excessive power consumption when vehicles or boats are idle. •Suitable for isolating and protecting circuits in 12-48V systems, extensively used in cars, boats, RVs, campers, and other electrical equipment. •Installation space should be checked before purchase. Top Post Battery Disconnect Switch 250A12-48V Specifications: Operation ModeON-OFF Current Rating 250Amps Operating Voltage12-48 Volts Contact TypeNormally Open Terminal Material: Brass Housing MaterialABS Plastic Circuit Type2 way Actuator TypeRotary