Lead Acid Low Maintenance Secondary cells 2V 300 Ah capacity 10 hr. rate of discharge at 27 % u2070C assembled in hard rubber container with tubular positive and negative plates conforming to RDSO Spec. IRS: S: 88/ 2004. The cells shall be supplied with microporous vent plugs cum sealed floats intercell connectors nut bolts and washers. The cells to be supplied in dry and uncharged condition without tool kit. Battery type: SB 300ST. specn: RDSO Spec. IRS: S: 88/ 2004