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Forums › Desktop computing › Low power UPS


162 posts

Master Geek


Topic # 64816 23-Jul-2010 12:45
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Hi,

I wasn't sure where to post this, but I figured most UPS's are used for desktop/servers etc.

What I am looking for is a low powered UPS to provide backup for my internet/VoIP system. All it needs to power are: Thomson ADSL modem, Linksys WRT54GL router, Handytone-486 ATA, Uniden cordless phone/charging base.

Most of the UPS's I've found are $100 or more, and designed for actual computers. Is there something around cheaper and less powerful that will do the job?

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  Reply # 355325 23-Jul-2010 13:07
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How long are you wanting your UPS to last when there is no power?

You will need to consider the wattage of each of your devices, it should be written on the PSU's/plug packs. Then look at a UPS. Even the smaller UPS may not last you long, but you will need to decide how long you do want it to last.



162 posts

Master Geek


  Reply # 355769 24-Jul-2010 13:45
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I have written down all of the input and output details on the plug packs:

INPUT:
Uniden - 150mA
Thomson - 0.3A
ATA - 0.2A MAX
Linksys - 0.5A

OUTPUT:
Uniden - 6.0V - 350mA
Thomson - 22V - 0.41A
ATA - 5V - 1.2A
Linksys - 12V - 1.0A

Ideally I'd like to have backup supply for a few hours, but I realise that isn't practical with a cheap UPS. Realistically, I'd like at least 15 minutes, so enough to make an emergency call when the power is down. (Minimal cell reception here)

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