supply of multi purpose dry batteries , multi purpose dry batteries(civil)isi marked, type:r-20,normal voltage;1.5v,type of jacket paper,confirm ing to is:8144/1997.the acceptance test for initial life test(para10.3(c) of is:8144 -1997 and as a continious discharge test para 10.3 (c) of is 9128/1999 as detailed in para 7.5.2 of is 6303/1984 with following parameters:discharge resist ance:40 ohms,mode of discharge -continious, discharge temperature:27+/-2degree c,on load end voltage:0.9 volts,lif e requirement(min):80 hours. specn: eveready no 950 [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]