Trojan Battery Company has been the world???s leading manufacturer of deep-cycle batteries. After serving on a submarine in World War I, George Godber started the company in the Los Angeles area with his founding partner and brother-in-law, Carl Speer. Trojan initially began manufacturing automotive batteries and later moved into building batteries for commercial trucks. In the 1940s, Dick and Ray Godber joined the company, ushering in the second generation of family leadership. Sensing that deep-cycle technology was the wave of the future, the company began focusing on this area.