1.Nickel-Cadmium battery:10~1000Ah 2.ISO, IEC, CE 3.Medium discharge rate 4.15~20 years 5.-25~50'C Specification of Low discharge rate Cycle lifeone cycle means a cell is fully charged and discharged. The cell's cycle life should not be less than 900 cycle. According to the applicable IEC standard,it shoud be 500 cycles at least. in case of float charge application,its cycl life may be longer. ...