Our RE Series batteries are designed to provide the highest peak capacity, longest cycle life, and greatest reliability for use in industrial or residential renewable energy applications. Renewable Energy Series batteries utilize the company's exclusive XC2â„¢ formulation and Diamond Plate Technology® to create the industry's most efficient battery plates, delivering greater watt-hours per liter and watt-hours per kilogram than any other flooded lead-acid battery in the market. Our Deep Cycle batteries are engineered to work with solar panels as well as other renewable energy applications.