SPECIFICATIONS
Eaton 9155 UPS (8–15 kVA) User's Guide S 164201553 Rev G (www.eaton.com/powerquality)
77
Table 17. Battery Specifications
Battery Type 9 Ah sealed, valve-regulated lead acid (VRLA), maintenance-free, minimum
3-year float service life at 77°F (25°C), voltage 192 Vdc (96 cells per string)
Number of Strings Maximum of 22 strings per full configuration, including UPS batteries
(4 EBM-64 cabinets or 3 EBM-96 cabinets, plus UPS batteries)
UPS-32: 2 strings; UPS-64: 4 strings
EBM-64: 4 strings; EBM-96: 6 strings
Battery Replacement Must be replaced by qualified service technician
Charger Service configurable 0.5–34A per string, with overall maximum of 34A (limited
by input current). Default: 3.4A per string
Charging Internal battery: approximately 3 hours to 80% usable capacity at nominal
line voltage after full load discharge
External battery: no more than 10x discharge time to 90% usable capacity at
nominal line voltage after full load discharge
Start-on-Battery Allows start of UPS without utility input
Performance ABM technology increases battery service life, optimizes recharge time, and
provides a warning before the end of useful battery life
Protection EBM output protected by 100A circuit breaker
Table 18. Battery Runtimes (in Minutes) at Full Load
2-High Cabinets
Load
32 Internal UPS
Batteries
+1 EBM-64 +2 EBM-64 +3 EBM-64 +4 EBM-64
15 kVA/13.5 kW 4 23 43 65 88
12 kVA/10.8 kW 6 30 56 85 116
10 kVA/9 kW 8 37 69 106 144
8 kVA/7.2 kW 11 49 91 139 189
3-High Cabinets
Load
64 Internal UPS
Batteries
+1 EBM-96 +2 EBM-96 +3 EBM-96
15 kVA/13.5 kW 13 43 76 113
12 kVA/10.8 kW 18 56 101 149
10 kVA/9 kW 22 69 124 184
8 kVA/7.2 kW 29 91 164 242
NOTE Battery times are approximate and vary depending on the load configuration and battery charge.
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