Tender For supply, installation and commissioning of batteries 40 pcs for existing 15 kva online ups 3ph in and 3 ph out under buy-back mode - technical specifications, 1. voltage-12v2. rated capacity-65ah3. float voltage- 13.6v or better4. boost voltage- 14.0v or better5. cycle voltage-14.6v or better6. ah efficiency >90%7. wh efficiency >80%8. warranty-24 (twenty-four) months or more9. quantity-40 pcs