ups power supply

[Rajinder Yadav]

On 10-12-01 05:34 PM, Scott Allen wrote:
> On 1 December 2010 16:56, Rajinder Yadav<devguy.ca-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org>  wrote:
>> Well I had $100 gift card and went to futureshop and got the following
>> UPS http://bit.ly/gIMJoe
>
> Since this UPS outputs a "Stepped approximation to a sinewave" instead
> of a true sinewave. (As has been mentioned before,) you may have
> trouble if it's used with anything with an active PFC power supply.
>
>> The battery can be pulled out easily and replaced.
>
> The battery pack for this thing looks expensive. Then again, it may
> just two standard size batteries joined with some custom connector
> hardware.
>
>> However it claims on the site, 'Up to 121 minutes runtime' which I
>> don't believe!, this much be on sleep mode =P
>
> According the the graph on APCs web site, it will run that long with
> about a 50W resistive load. With a more realistic 250W load, its more
> like 20 minutes.
>

Here is my report on the operations of my new UPS:

I got the UPS unit fully charged, plugged it in for about 24. I attached 
my Box, it has 3 Hard-drives and I got a HP L2445m 24 inch LCD Monitor 
running off UPS.

The UPS has a nice LCD display that gives you some stats. Basically with 
this set-up I am using about 170W and have approx 31 min runtime.

I just yanked the cord out of the power socket for the UPS to simulate a 
power loss and my system run flawless.

The talk about stepped approximation to a sinewave had me a bit 
concerned. My power supply is 2 years old. I built this system myself. 
The power supply is your typical run of the mill type, nothing special.

My load fluctuates betweet 26 to 30 % of battery capacity. I can easily 
add my 2nd server to this system without a problem.

For the 2nd box I don't need a monitor since I can easily do a remote 
login in to shut-down the system.

If someone is considering getting a UPS, I would recommend they check 
this unit out. It's excellent for a home office setup.

-- 
Kind Regards,
Rajinder Yadav | DevMentor.org | Do Good! ~ Share Freely

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