Easy to install: battery isolator design with removable side and bottom panels provide you huge convenience to operate, just twist to make it on/off.High quality material: The cover of battery disconnect switch is made of excellent ABS plastic, friction resistant/heat resistant/corrosion resistant, safety and durable for use.Double protection: This sturdy marine battery switch can effectively prevent battery drain, also can be used in various weather conditions, even in outdoor environment or wet and rainy days.Higher current: New update version- battery isolator come with DC12V-48V, 275A DC Continuous (1hr), 455A Intermittent (5 min), 1250A Cranking (10 sec).After-sale warranty: We are committed to providing the best service to our customers, if you have any product problem please feel free to let us know, customers satisfaction is our goal.