[NBLUG/talk] OT: Anyone ever replaced a battery in a UPS?

Jim Oser oserj at OserConsulting.com
Tue Dec 12 15:21:27 PST 2006


I have used

http://www.ebatts.com/ups_manufacturers.aspx

to replace APC UPS batteries.

I have also used www.ebatts.com for other parts.

Jim


On Dec 11, 2006, at 10:39 AM, Scott Doty wrote:

> On Sun, Dec 10, 2006 at 08:45:44PM -0800, Eric Eisenhart wrote:
>> On Sun, Dec 10, 2006 at 06:18:11PM -0800, Dave Sisley wrote:
>>> What's the best way to test a UPS?  I don't have any sort of  
>>> voltmeter
>>> or whatever (but if that's what I need, I'm off to Radio Shack).
>>> Obviously, battery-time is dependant on how many things you have  
>>> plugged
>>> into it, but is there a way to quantify how much juice a charged  
>>> UPS can
>>> deliver?
>>
>> Plug a 100watt incandescent light into the UPS.  Definitely not  
>> halogen and
>> possibly not fluorescent...  Unplug the UPS from power and see how  
>> long it
>> goes.
>>
>> Technically this isn't the same kind of load as a computer will  
>> place on it,
>> so even if you matched the wattage of light bulbs to the computer  
>> load you'd
>> be putting on it, you shouldn't assume that the runtimes will be  
>> exactly the
>> same; but you'll have a decent idea, at least.
>
> I know it's monday morning, so this post may have no value -- but some
> higher-end UPS's have been able to predict their runtime "at  
> current load"
> (whatever it is at the time), and this can be retrieved over its
> serial/usb/Ethernet/whathaveyou...
>
> A manual for the unit(s) would certainly help, and I'll bet you can  
> get a pdf off the
> net. :)
>
>  -Scott
>
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