Powerware 9155 Table 21. Battery Specifications, Table 22. Battery Runtimes (in Minutes) at Full Load

Specifications

Table 21. 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	Extended Battery Module output protected by 100A circuit breaker

Table 22. Battery Runtimes (in Minutes) at Full Load

2-High Cabinets

Load	32 Internal UPS	(1) EBM-64	(2) EBM-64	(3) EBM-64	(4) EBM-64
	Batteries
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	(1) EBM-96	(2) EBM-96	(3) EBM-96
	Batteries
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.

90 Powerware® 9155 UPS (8–15 kVA) User’s Guide S 164201553 Rev D www.powerware.com