supply of 500 ah 24 v vrla battery comprising, supply of 500 ah 24 v vrla battery comprising of 12 nos. of 2 v modules alo ng with inter-cell connectors generally conforming to rdso spec.no. rdso / pe / spe c / ac / 0009-2014 ( connector with box ) ( rev.2 ) . the battery shall be suitable for 1600 hp engine starting meeting the following duty cycle: engine cranking profile for 1600 hp dem u engine: maximum cranking current- 800a battery voltage shall not fall below 20 v o1ts. cranking cycle consists of following sequence 1st start : 15 seconds on and 1 0 seconds off 2nd start : 15 seconds on and 10 seconds off 3rd start : 15 seconds on and 10 seconds off 3 cranking cycles can be performed with time interval of 2 minutes between the cycles. next set of cranking cycle can be followed after time interval of 10 minutes. the battery shall be supplied along with frame arrangement suitable for accommodating 500 ah 24 v vrla battery. the overall arrangement of t he frame shall be as per drg. no.icf / sk3- -7-2-050. however, any modification required on this arrangement to accommodate 500 ah vrla battery can also be carried out i n consultation and approval of icf. note: a.the oga drawings and bom shall be got a pproved before commencement of proto type unit. b.one prototype sample shall be submitted for approval, before commencement of bulk supply. [ warranty period: 30 mo nths after the date of delivery ] => limited