12 VOLT MARINE - WET BATTERIES. Rugged polypropylene cases with convenient handles for easy installation. The Deka Marine dual purpose, and cycling/starting Series are designed for marine applications that require heavy duty starting and moderate cycling service. Deep cycle batteries deliver the power for auxiliary loads, refrigeration, communications and electronic equipment. In contrast to the quick surge of power that is required for starting. All batteries carry a 1 year pro rated warranty. 20.75" L x 9.375" H x 8.5" W