Supply Of 12v, 7ah Sealed Maintenance Free Lead Acid Battery For Emergency Lights Of Ac And Non- 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 Exide / Tafe Amco/ Amara Raja/ Hbl As Per Rdso Specification No. Rdso /pe / Spec/ Ac/ 0180- 2016 Rev.0. Oem Authorization Should Be Tender Specific As Per Description And The Warranty To Be As Per Irs Condition.. Note: The Battery Should Not Be Older Than Six Months From Manufacturing Date At Time Of Supply..