whats the smallest uninterruptible power supp

July 15, 2009 at 16:29:34
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whats the smallest uninterruptible power supply
I need a PORTABLE battery backup for my pricey computerized sewing machine. I'd rather not haul a whole heavy brick around. I only need one plug so I dont lose complicated stitchouts.

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#1
July 15, 2009 at 16:59:28
Depends on he power requirements of the sewing machine as to what you need. Assuming it is similar to a laptop computer the smallest UPS you are likely to get will be around 350VA. A UPS of that size will supply a desktop computer for about five minutes.

Even they can be a bit to lug around as they normaly contain a lead/acid battery which is bit on the heavy side.

Stuart


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#2
July 15, 2009 at 22:45:38
yes that's what I found. i just couldn't believe no one has tackled this problem yet. I am sure there are others like me who have one small item that needs backup.

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#3
July 16, 2009 at 02:06:07
Thats the problem. A UPS isn't meant to be portable. Portable devices like laptop usualy have a battery that can last three or four hours.

You might want to investigate an rechargable Li-ion battrey of the kind they have in laptops. It is likely to be expensive but will be a lot lighter than a UPS.

I suppose they could make a UPS with a Li-ion battery but it would be epensive as the market for such a device would be small.

Stuart


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#4
July 16, 2009 at 13:22:22
Dumb sewing machine, ought to save that data on some file somehow you'd think. Maybe costs extra.


My brother gave me a very small backup, I think it had ultra capacitors in it. Normally then all use a type of car battery in them. Big and full of lead.


I know on cars they made a 9V transistor battery to plug into cig lighter to keep settings. Wonder if there is a place on that for such a thing.

"Best Practices", Event viewer, host file, perfmon, antivirus, anti-spyware, Live CD's, backups, are in my top 10


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#5
July 17, 2009 at 10:42:41
OK so i went to frys and bought serge protectors. I saw these generic laptop batteries/chargers for plane auto and wondered if there was any way to use them.

I only need a minute of power. the sewing machine is not "stupid." It does have the facility to "save state" and restart if you are in the middle of a stitchout and want to break and come back later. However if you have a power outage, it cuts off and you lose you place and have to manually walk thru the program to find where it left off, which can be time consuming.

This is a sewing machine, not a windows pc so it doesn't make sense economically to have a full blown UPS built into it.


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#6
July 17, 2009 at 13:16:01
Sorry I insulted your sewing machine.

(didn't know it had feelings :)

My mother has some knitting systems and has me trying to figure them out all the time. Talk about a group that only has 100 units in the world.

"Best Practices", Event viewer, host file, perfmon, antivirus, anti-spyware, Live CD's, backups, are in my top 10


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