All Questions
Tagged with power-supply ups
94
questions
2
votes
1
answer
154
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&...
- 800
-2
votes
2
answers
355
views
UPS power(w) vs PSU power?
How much power(w) UPS must be for PSU( input 220V/10A)?
If UPS rated power is smaller then PC drain power before power loss, will the UPS shut down or what will happen?
- 95
0
votes
1
answer
250
views
My computer runs fine on inverter power but can't turn on from off state. Will using an UPS between computer and inverter fix the issue?
A 900 watt sine wave inverter (with battery) is connected to mains. The PSU of my computer is 1000 watts. When there is power outage, my computer runs perfectly fine. But if it is already off, I can't ...
- 111
0
votes
1
answer
249
views
How can I prevent apcupsd from managing the PC, and leave it to a custom script?
I bought myself a old APC Back-UPS CS650 uninterruptible power supply, and replaced the accumulator in it with a large lead-acid one, it coincides in voltage with the stock accumulator. I connected ...
- 1
2
votes
1
answer
55
views
Clearing confusion about no-break power requirement
I'm considering purchasing a no-break for my Intel NUC8i7HNK. I'm looking at a model that says that the power required by all connected appliances shouldn't exceed 600 VA (same as W, I suppose). The ...
- 161
0
votes
2
answers
5k
views
How can UPS turn computer on after it was shut down by power loss?
Suppose computer is connected to UPS and UPS is connected to the computer with USB cable. Some software runs on the computer, which is capable to shut it down gracefully on power loss.
Suppose power ...
- 12.8k
2
votes
1
answer
260
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 ...
- 1,132
1
vote
0
answers
22
views
10-year old Sven Pro 1000 UPS turns off if load is low - batteries are good
I have a Sven Pro 1000 UPS which is 10 years old. However, it still works good after replacing its batteries twice. The only problem is that it automatically turns off if the load is very low - for ...
- 1,321
0
votes
1
answer
32
views
What would cause a fully powered off workstation to turn itself back on?
I have an old workstation that I want to keep fully powered off when I'm not around. Just recently I came home to find it powered on, even though I didn't touch it. There is no one else around (and ...
- 856
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 ...
- 1
0
votes
0
answers
474
views
1200VA UPS Doesn't Supply Power to Monitor
I have a DELL Optiplex 7080 Tower PC running on windows 10 pro, and a Samsung SR35 Monitor. I had connected them into a 1200VA Offline UPS, but sometimes, when computer boots up (after the splash ...
- 103
0
votes
1
answer
4k
views
Power usage in Task Manager says "very high"
I am running the next parts:
SMPS 750W
Ryzen 9 3900x
RTX 3060
24 inches led monitor
These parts are connected to 600 VA ups and wherever I run a software I see my power usage shoot up very high and ...
0
votes
1
answer
411
views
How to know if the computer is getting enough power?
I have a UPS (650VA) and connected few devices including a laptop to it. I need to know is there a software or any tool or any way that I can know the devices are getting enough power? And also is ...
- 3
1
vote
1
answer
388
views
Computer Restarts while on UPS
I am using a 650va ups (not a good brand) My previous pc had 400w psu and it worked fine.
Now i am using a new pc (i5 10400f, gtx 1660ti oc, 550w 80bronze psu)
Whenever the electricity goes off, trip ...
- 13
2
votes
1
answer
2k
views
UPS causes computer to restart when power is restored
Issue: When UPS switched back from battery to AC (power) the computer restarts. Even if computer is idle (less load)
Scenario steps:
UPS is plugged into wall
only PC is plugged into the UPS
Remove ...
- 21