Just the right size and weight, TR-B1500 offers little weight addition and significant power increase than TR-B1100. Itfs small enough for 4-cylinder vehicle without the added weight, in other words just right. Perfect for racing and daily driving vehicles.TR Battery utilizes Absorbed Glass Mat (AGM) technology which increases specific power and ride quality and environmental safety. The design allows the battery to be mounted in a variety of positions and to accept automotive terminals vertically and horizontally. Included with each TR Battery are high quality brass SAE terminals, designed to distribute the electrical load battery for high amperage, high stress use of racing and audio applications.