Specifications include, but are not limited to: 1. Replace all batteries (160 jars) with sealed, rechargeable lead acid batteries, equal to orbetter than the existing C&D Dynasty UPS12-400MR batteries, with a discharge rating in wattsper cell (at 77°f) of 377 @ 1.67 VPC, meet or exceed IEEE-485 capacity requirements at shipment.2. Case and cover shall be reinforced flame-retardant (rated UL 94 V-0 28% LOI) polypropylene or standard polypropylene, resisting bulges and meeting safety requirements, with Epoxy-sealed posts to eliminate leaks.3. Perform high-rate static load acceptance test on all batteries prior to installation.4. Check all connectors and cables for ware or corrosion.5. Clean all connectors as necessary.