supply of 12 v, 7 ah sealed maintenance free lead12 v, 7 ah sealed maintenance free lead,12 v, 7 ah sealed maintenance free lead acid battery for emergency lights of ac and no n- ac coaches. the battery should be fit in the rdso drawing no. rdso/ pe/sk/tl/0180 - 2016 (rev.0) of sheet 1 & 2. the make of the battery be m/s. exide / tafe (amco)/ amara raja/ hbl as per rdso sp ecification no. rdso /pe / spec/ ac/ 0180-2016 (rev.0). note : the battery should not be older than si x month from manufacturing date at time of supply [ warranty period: 30 months after the date of d elivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] => limited