As the leading manufacturer of deep-cycle batteries, Trojan Battery Company believes it is possible to make a global shift to energy sources that are environmentally friendly and readily available worldwide. For more than 85 years, Trojan Battery has focused its experience and expertise in deep-cycle technology on manufacturing the highest quality, deep-cycle batteries available in the industry. If there is one thing we’ve learned over the years, it’s that a truly outstanding battery must provide rugged durability, long life and reliable performance day in and day out.