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2 votes
1 answer
59 views

Good battery, but UPS fails to do its job

I have a not-so-old APC Back-UPS 1400 (model BX1400U). It uses 2 x 12 V / 7 Ah batteries. The original batteries are dead (voltmeter says less than 5 Volts, ultra dead). I bought 2 new batteries (12 V,...
Gregory MOUSSAT's user avatar
2 votes
1 answer
196 views

Why are UPS battery backups all rated in VA instead of AH?

Looking at an online retailer, I see uninterruptible (battery backup) power supplies are marketed as: "1500VA" "600VA" "425VA" "425VA/260W" "1500VA/900W&...
natevw's user avatar
  • 800
4 votes
1 answer
1k views

Upside down SLA/VRLA battery in UPS?

Is it ok to position SLA (sealed lead acid) / VRLA (valve-regulated lead acid) batteries upside down? Are there safety, performance, or longevity implications? Some UPS (uninterruptible power supply) ...
adatum's user avatar
  • 277
1 vote
1 answer
79 views

Powerchute Windows10 and reducing power consumption while on UPS battery

I have a computation app that can sense running on batteries, but does not trigger when PowerChute 3.1.0 is running on battery power (APC UPS1500 Pro). That app knows the power is limited, but Win10 ...
Hans Schulze's user avatar
2 votes
1 answer
265 views

Linux Mint Laptop (With a UPS) Turns Off When Power Goes Out

I had a Linux Mint (MATE) laptop with a working battery, but just to be safe I also bought a UPS backup, and plugged the laptop into it. When the power went out, the laptop stayed on, and life was ...
machineghost's user avatar
  • 1,132
0 votes
0 answers
39 views

Advice in how to properly maintain my UPS

First of all, I hope this is the right place to ask. I have looked around and this seems to be the correct place inside SE. I do not own a server but I use a really old APC Smart-UPS SU1000INET for my ...
S. Dre's user avatar
  • 137
4 votes
2 answers
18k views

How to silence "bad battery" alarm in a APC Back-UPS 550 UPS?

I am using Ubuntu and I have an APC Back-UPS 550 uninterruptible power supply that's worked pretty well for several years. However, over the last year, it's "bad battery" alarm has routinely ...
Cerin's user avatar
  • 9,272
0 votes
1 answer
206 views

APC Back-UPS and Corsair PSU do not work well together

UPS: APC BX700U-GR PSU: Corsair RM550X Maximum power consumption of all devices connected to the UPS: 100-110W Average power consumption of all devices connected to the UPS: 60-70W It is not possible ...
Norbert's user avatar
0 votes
0 answers
188 views

Computer draws more watts when electricity in house isn't stable?

I have an i7 5960x (8-core, 16 threads) and two GTX 970s that are all running at full load 24/7. The total system power usage is typically around 450-550 watts when everything is under load. It has a ...
EllipticalInitial's user avatar
0 votes
1 answer
1k views

Can I use higher capacity batteries in an Online UPS?

I have a Farber 1KVA Online UPS that uses a pair of 12v, 9AH batteries that are connected in series. the power goes off a lot in my area and the batteries can't keep my PC on more than a minute during ...
user avatar
2 votes
2 answers
3k views

Why is my UPS not providing power to my Modem?

I have a UPS that was powering my Monitor and CPU unit whenever main power was failing. I also have a modem that provides internet connection to the entire house. Now, the modem gets power from mains, ...
Prasanjit Rath's user avatar
0 votes
0 answers
502 views

UPS vs PSU wattage during normal operation?

Does a UPS battery backup act as a "funnel" for wattage during normal power operation (e.g. full power is coming from the wall outlet to the UPS)? I ask because I have an older UPS with only ...
Mike Lasch's user avatar
0 votes
1 answer
932 views

UPS any of the indicator lights not turning on

I have a prolink UPS pro700 model. I could not use it for around 4 to 5 months ( left alone unused ) and when I try to plug it in and turn it on, non of the indicator lights are illuminating. I know ...
Madhawa Jayagoda's user avatar
0 votes
2 answers
4k views

My UPS can't handle PC load sometimes, what's wrong?

So I recently built a PC and with it, I bought a cheapish 600W UPS. My PC on PCPartPicker showed that I required around 330W to use it properly (I went with a 700W PSU). I also have my monitor and ...
user1205981's user avatar
0 votes
1 answer
1k views

GPU fails on because UPS

I got a new UPS not long ago, and installed it's software (upsilon 2000) and driver. the software installs a battery driver for the UPS so I can use windows power plans settings to control what ...
GKman's user avatar
  • 123

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