supply of supply of 500 ah 24 v vrla battery comprising of 12 nos. of 2 v modulessupply of 500 ah 24 v vrla battery comprising of 12 nos. of 2 v modules,supply of 500 ah 24 v vrla battery comprising of 12 nos. of 2 v modules alon g with inter-cell connectors generally conforming to rdso spec.no. rdso/pe/spec/ac/00 09-2014 (rev.2). the battery shall be suitable for 1600 hp engine startingmeeting the fol lowing duty cycle:engine cranking profile for 1600 hp spic engine:maximum cranking cu rrent- 800abattery voltage shall not fall below 20 vo1ts.cranking cycle consists of fo llowing sequence1st start : 15 seconds on and 10 seconds off2nd start : 15 seconds o n and 10 seconds off3rd start : 15 seconds on and 10 seconds off3 cranking cycles can be performed with time interval of 2 minutes between the cycles. next set of cranking c ycle can be followed after time interval of 10minutes.the battery shall be supplied alo ng with frame arrangement suitable for accommodating 500 ah 24 v vrla battery. the o verall arrangement of the 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 al so be carried out in consultation and approval of icf.note:a.the oga drawings and bom shall be got approved before commencement of prototype unit.b.one prototype sample shall be submitted for approval, before commencement of bulk supply.c. previous suppl iers of this item to icf shall only be considered for bulk order [ warranty period: 30 mo nths after the date of delivery ] ] senior section engineer madhya pradesh 1.00 set