Trojan T-145 EHPT MV 6V 260Ah Deep Cycle Flooded Lead Acid Battery For Golf Carts, Solar Applications and More 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. Flooded lead-acid batteries have the longest track record in solar electric use and are still used in the majority of stand-alone alternative energy systems. They have the longest life and the least cost per amp-hour of any of the choices. However the other side of the coin is, in order to enjoy these advantages, they require regular maintenance in the form of watering, equalizing charges and keeping the top and terminals clean.