Question about APC Computers & Internet
Estimated Battery Time is shown as 1 min even when the battery capacity is 100%
TV is the only unit connected to it. When the power is gone, battery backup is gone immediately. Till before 1 week, it used to show 170 mins when the AC power is on and 35 to 40 mins when the AC power is off. The UPS was purchased just 3 months back. Not sure what is wrong. If anyone has solution for this issue, please let me know
Thanks a lot
I have the same issue. I have a 9 month old XS 1000 and it used to show 18 minutes but would NEVER last more than 2 minutes with an outage. Now it's showing a full battery but 0 time remaining...
Posted on Mar 24, 2011
The Batteries are the most likely course of your UPS backup problem. The batteries cell may have been weaken with Age or loose contacts. Check to confirm the battery contacts are not loose, replace the batteries with good one.You can also check the strenght of the batteries by using a Multimeter and load to read the voltage of the batteries outside the UPS. If the battery voltage drops below 10V Dc on load the the batteries should be replace. Otherwise check the battery contacts.
Posted on Jun 05, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
8.3 Battery Configurations
There are different configurations for different battery types and backup time. Here, the batteries from VISION and
YUASA are selected. The backup times ranges from 1hours to 4hours for 20KVA UPS and from 1hours to 2hours
for 30KVA UPS, because of limitation of CLA power rating.
time Number of blocks Type of blocks Capacity(10H)
1h 1×24 6FM55SGX 52Ah
10kVA 2h 2×24 6FM45X 2×42Ah
4h 2×25 6FM75X 2×74.5Ah
1h 24 6FM75X 74.5Ah
15kVA 2h 3×24 6FM45X 3×42Ah
4h 3×25 6FM75X 3×74.5Ah
1h 1×25 6FM90X 90Ah
20kVA 2h 3×25 6FM55X 3×52Ah
4h 2×26 6FM150X 2×144h
1h 2×25 6FM75X 2×74.5Ah
2h 3×24 6FM100X 3×96Ah
Sheet. 4 the battery configuration with VISION battery
UPS Backup time Number of
blocks Type of blocks Capacity
1h 2X24 NPL24-12 2X24AH
10kVA 2h 2×26 NPL38-12 2×35.3AH
4h 2×26 NPL65-12 2×60.5Ah
1h 1×27 NPL65-12 60.5Ah
15kVA 2h 2×24 NPL65-12 2×60.5Ah
4h 3×26 NPL65-12 3×60.5Ah
1h 1×27 NPL100-12 92Ah
20kVA 2h 2×24 NPL100-12 2×92Ah
4h 4×26 NPL65-12 4×60.5h
1h 3X24 NPL65-12 3×60.5Ah
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