All Questions
Tagged with power-supply ups
94
questions
0
votes
3
answers
13k
views
UPS will work on power but not battery
I have an old APC Back-UPS 200 I'm hoping to use for my PC.
Connected to power it works fine.
When unplugged it emits a "i'm on battery power" constantant tone.
The 2 plugs on the back are not ...
4
votes
2
answers
2k
views
Is daisy chaining UPSs safe? Does it add any benefit or cause more problems?
Is it safe and is their any benefit to daisy chaining multiple UPSs together?
- 4,066
1
vote
0
answers
2k
views
Should The Plug of UPS Always Plugged?
Which is better for lifespan:
Switch off the UPS and plug off or
Switch off the UPS and leave it plugged in.
Consider this two statements and give seperate replies:
Which is better for >1 Month (...
- 31
7
votes
3
answers
23k
views
Is my UPS battery dead or is my UPS broken?
When the lights went out today I noticed my UPS battery didn't work.
I checked the monitor and this is what I see:
As you can see it says the battery has 90% but when I pull the plug, it doesn't work....
- 5,533
0
votes
1
answer
1k
views
Why is my UPS causing my monitor to make a high pitched humming noise
I recently purchased a UPS for a new server build for my home. Since the server sits next to my desk, I figured I'd plug my Macbook and monitor into the UPS as well. That way if the power goes out, I ...
- 101
1
vote
0
answers
1k
views
UPS shuts down when using with modem alone
I'm in a place where power cuts are very common for around 5 hours a day. I have a DSL internet connection and a PC. I recently purchased a new laptop which easily gives me 4 hours of battery backup.
...
- 11
0
votes
0
answers
2k
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PC crashes with Power LED Blinking at 1 Second Interval
I have a "server" that recently has started crashing around once a week. I have yet to find a reason for the crashing but the nonrecoverable nature of the crash is unusual. The machine is standard ...
- 275
2
votes
0
answers
1k
views
Protecting Against Inrush Current
In my apartment, the main circuit breaker has a very low amperage limit of 5A (220V), with a maximum power limit of 1300W. Therefore, about 75% of the time I plug in my PC power plug, the inrush ...
- 159
0
votes
1
answer
207
views
Unknown UPS back-up issues
I have a Powercom UPS IND606A. I am staying in India having voltage range of 230.
The detail explanation of problem :* When there is a powercut UPS gives back-up but it restarts the computer. ...
- 1,400
0
votes
2
answers
2k
views
Computer restarts on power failure with UPS
I am having power cut problems in my country.
I am using an uninterrupted power supply with these specs
waveform: modified sine wave
typical 15-20ms, 30ms max
My computer restarts when power goes ...
- 365
4
votes
2
answers
360
views
Do uninterruptible power supply increase the life expentency of hardware?
Do UPS increase the performance or life expectancy of the hardware connected to it? What if the UPS has a built in line conditioner?
- 8,231
2
votes
2
answers
2k
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How to find a UPS for my computer? [duplicate]
Possible Duplicate:
If my power supply is 700w, do I need a 700w UPS?
I have a desktop that I built with a 750 Watt power supply. I'm looking to get a UPS for it and wondering if I need to find ...
- 1,833
2
votes
3
answers
4k
views
Is it safe to tilt a UPS battery while in use?
I've got an old UPS for which I bought a new battery. The new battery is different in size (longer). Thus it doesn't fit in the structure.
However, if I keep the new battery vertically, I can manage ...
- 305
4
votes
2
answers
5k
views
Is the APC BR700G UPS (or similar) compatible with Active PFC power supplies?
I'm looking at getting a UPS for my home computer. So far the APC BR700G looks very promising, except for one thing: one of the reviews on Newegg says that this UPS does not work with a power supply ...
- 6,765
1
vote
2
answers
2k
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UPS for hard drive protection
I am in a place where electricity is not ideal (old house, no ground), sometimes it occasionally shuts down and supposedly there are some spikes.
I consider using UPS with the goal to increase ...
- 113