It has Very long life. Topping-up once/twice a year and User friendly. Acid volume per Ah is 30% more than that of ordinary tubular batteries. It acts as a coolant and it also ensures minimum maintenance.Suited for use in areas of frequent power cuts (800 to 1000 cycles of deep discharge as against 300/400 cycles of other batteries).Can withstand overcharge better and Occupies less floor space, totally new look.It is Less pollution, environment friendly