Batteries

End of Discharge Voltage

The voltage is 1.6 to 1.75 per cell depending on discharge ratio.

	Boost 2.38 Vpc	Nominal 2.0 Vpc	Minimum 1.6 Vpc
Battery voltage (V)	571.2	480	384

UPS rating	20 kW	30 kW	40 kW	50 kW
Number of modular battery strings	20 kW	30 kW	40 kW	50 kW
1	NA	NA	NA	NA
2	11	6.1	NA	NA
3	18.5	10.5	7.3	5.2
4	27	16	10.5	8
5	35.5	21.5	14.5	10.5
6	45	27	18.5	14
7	54	32.5	22.5	17
8	63.5	38.5	27	20
9	73.5	44.5	31	23.5
10	83.5	51	35.5	27
11	94	57	40	30.5
12	100	63.5	44.5	34
13	115	70	49	37.5
14	125	76.5	54	41
15	135	83.5	58.5	44.5
16	145	90	63.5	48
17	155	97	68	52
18	165	100	73	56
19	180	110	78	59.5
20	190	115	83	63.5
21	200	125	88	67.5
22	215	130	93.5	71
23	225	135	98.5	75
24	235	145	100	79
25	250	150	105	83
26	260	160	110	87.5
27	275	165	115	91.5
28	285	175	125	95.5

UPS rating	10 kW	15 kW	20 kW	25 kW
Number of modular battery strings	10 kW	15 kW	20 kW	25 kW
1	10.5	6.1	NA	NA
2	26.5	16	10.5	7.9
3	44	26.5	18.5	13.5
4	63	38.5	26.5	20
5	82.5	50.5	35.5	26.5
6	100	63	44	33.5
7	120	76.5	53.5	40.5
8	145	89.5	63	47.5
9	165	100	72.5	55
10	190	115	82.5	62.5
11	210	130	92.5	70.5
12	235	145	100	78
13	260	160	110	86
14	280	175	120	94
15	305	190	135	100
16	330	205	145	110
17	355	220	155	115
18	380	235	165	125
19	405	250	175	135
20	435	265	190	140
21	460	285	200	150
22	485	300	210	160
23	510	315	225	170
24	540	335	235	180
25	565	350	245	185
26	590	365	260	195
27	620	385	270	205
28	645	400	280	215