For any and all types of trailers with electric trailer brakes, a CURT breakaway kit provides you with the equipment you need to be prepared. We offers three different complete breakaway systems to accommodate various trailer sizes and meet your specific towing needs. All of our breakaway kits are tested for your safety and meet DOT requirements for holding and breakaway situations. This replacement battery case for breakaway kits measures 5 Inch wide, 3 3/8 Inch high and 3 3/4 Inch deep to fit a variety of breakaway batteries. It is constructed from durable polyethylene plastic to protect against the elements and features a watertight lid with a rubber gasket. This breakaway battery case is also equipped with a screw tight lid for secure mounting on your trailer.