Sukam Big Warrior Tubular 150 AH Inverter Battery comes with a deep discharge Technology which reduce the electricity consumption and enhances the life of the Battery. Tubular Technology Battery that gives enhanced back up & enhanced battery life. Is suitable for the area which has a power cut of 8 to 10 hours a day. It cuts off automatically on discharging on a specific level to save it to get deep discharged. Comes with ceramic water levellers to give you a exact idea of the water in the battery