Item 1 kVA 2 kVA 3 kVA
Long
backup
time
model
42.5 V DC±1% 84.9 V DC±1% 113.3 V DC±1%
Table 3-7 Power backup specications of the battery box
Battery
Box
Load 1 kVA Tower-
mounted UPS
with Long
Backup Time
(min)
2 kVA Tower-
mounted UPS
with Long
Backup Time
(min)
3 kVA Tower-
mounted UPS
with Long
Backup Time
(min)
One battery
box
100% 15 17 17
75% 21 25 25
50% 39 45 45
25% 77 85 85
Two battery
boxes
100% 36 39 39
75% 47 55 55
50% 83 95 95
25% 159 175 175
● The preceding tables list the backup time upon factory delivery, which decreases with
the battery capacity. The tables are for reference only.
● Two battery strings are connected in parallel in the ESS-36V12-9*2AHBPVBB,
ESS-72V12-9*2AHBPVBB, and ESS-96V12-9*2AHBPVBB01 battery boxes respectively. A
maximum of two battery boxes can be connected in parallel.
3.7 ECO Feature
Table 3-8 ECO feature
Item
1 kVA 2 kVA 3 kVA
ECO voltage
tolerance
Default value: ±22 V A (congurable on the LCD)
The range is ±(13 V AC-24 V AC)
ECO frequency
tolerance
±3 Hz
UPS2000-A-(1 kVA-3 kVA)
User Manual 3 Technical Specications
Issue 17 (2024-01-30) Copyright © Huawei Digital Power Technologies Co., Ltd. 31