supply of 12v/7 ah sealed maintenance free lead acid battery etc.12v/7 ah sealed maintenance free lead acid battery etc.,12v/7 ah sealed maintenance free lead acid battery for emergency lights of ac and non ac coaches. the battery should be fit in the rdsos drawing no. rdso/pe/sk/tl/0180-2016(rev.0) of s heet 1 & 2. the make of the batteries should be m/s.exide /tafe (amco)/amar raja/hbl as per rdsos specification no. rdso/pe/spec/ac/0180-2016(rev.0). [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]