Deka Solar is the leading brand for deep cycled gel batteries in the U.S.A and around the world. It provides reliable, versatile and maintenance-free power for renewable energy applications. The Deka Solar photovoltaic batteries are designed to provide excellent efficiency in key aspects of battery use like cycling performance, cycle service durability, deep discharge resiliency and vibration resistance.The Batteries are completely spill-proof thereby providing the flexibility of different options for installation. They have been rated non-spillable by ICAO, IATA and DOT. The batteries contain gelled electrolyte which gives more protection to the battery plates and works best for deep cycle discharge. It has longer discharge and less charging time than any other brand, making it suitable for most renewable energy applications