Trojan Battery Company is the world leader in deep cycle battery technology. Since 1925, Trojan has been a pioneer in the development of superior deep cycle batteries. Decades of experience, ongoing research and dedication go into every deep cycle battery we manufacture. The bottom-line? You can depend on Trojan to deliver reliable, long lasting, continuous power and exceptional value. That’s the Trojan advantage, and it’s yours in every deep cycle battery with the distinctive maroon case.