[kwlug-disc] UPS sized battery purchasing locally?

[Ralph Janke]

This is really interesting. Thanks for the response.

I will looking into that. I have a very old APC UPS which
batteries that don't work anymore. I should look if I can
find some replacement for them.

Ralph

On 2014-06-01 18:24, unsolicited wrote:
> I checked in to that, and I concluded replacing the batteries worth
> it, because of the stupid cost of UPS'.
> 
> Check canada computers for ups, sort by price, and you'll see units
> and replacement batteries in the column and be able to judge,
> yourself. My conclusion was +$30 to add a ups (that I don't need) to
> replace.
> 
> Especially if, as you say, the batteries that come with them possibly
> being less 'capable' loss leaders in the first place. Don't know that
> with certainty, but have seen that in other products. e.g. cordless
> phones?
> 
> The other thing that bopped me upside the head was that the cheapest
> ups' (to keep a router up over a 2 second power glitch), don't have
> replaceable battery slots. i.e. the need to have such separate
> compartments is probably a non-trivial cost component in the prices
> seen above.
> 
> OTOH, for anyone comfortable with such, opening up such units and
> swapping out the batteries is trivial. *IF* you can find a
> non-specific, one-off run battery not used.
> 
> Worst case I found was to buy replacement batteries for $27 (x 3, plus
> $8 shipping - digikey). On that basis, seems worth it.
> 
> Even better, and the reason for my question, if I can take my unit to
> a local store and find a larger capacity A wise than in there
> currently, and still have it fit. Lots of room in there, and easy
> enough to dremel a couple outthrusts out. But I rather want to see it
> in my hands before purchase. Rather than blindly buy over web.
> 
> 
> Certainly shipping / weight costs have been a concern in the past.
> Many years ago I bought a Tripp-Lite (cause I wanted pure sine out)
> from ncix - heavy, but worth it - at the time. (SU750XL) i.e. No
> Canada Computers around then.
> 
> For this purchase (keeping router up), if I HAD to replace, I would
> now make very sure a very popular battery was being used, so I could
> just pop down to the local store, with some confidence it might
> actually be in stock. Sadly, this probably means I would have to buy
> an APC piece of ...
> 
> [I say that only because APC seems to be cost uncompetitive,
> especially vis a vis the competitive features for the same price it
> does not have. Like pure sine out.]
> 
> 
> So, in my / this case, I think it worth it. Bonus if I can find
> something local (like Sayal, thanks JJ), but even if not I'll order
> over the web. Bearing in mind these are wee little batteries,
> 4.02"Lx1.89"Wx2.58"H - so I'm not dealing with the battery weight of a
> real ups, here.
> 
> HTH.
> 
> 
> On 14-06-01 02:39 PM, Ralph Janke wrote:
>> My question would be, are those replacement batteries cheaper than
>> a new UPS of the same grade/performance?
>> 
>> Those batteries are probably bought by the UPS manufacturers in very
>> high numbers in bulk and hence with steep discounts. The rest of
>> the UPS components' cost should be negligible.
>> 
>> Would be interesting to hear from you the difference  in costs when 
>> you
>> find something.
>> 
>> Ralph
>> 
>> On 2014-06-01 12:50, unsolicited wrote:
>>> Turns out my 3 wee little CypberPower 425VA UPS' don't have user
>>> replaceable batteries in them.
>>> 
>>> Seems that a number of the low end UPS' (keep your phone / modem /
>>> switch /router up across a brief power glitch), don't have user
>>> replaceable batteries. Who knew!
>>> 
>>> In this case, it seems like user replaceable means separate cover /
>>> compartment where one's fingers can't touch any nasty components and
>>> be shocked when stuck in to wrastle with the battery.
>>> 
>>> Of course, take the entire cover off and you're good to go.
>>> 
>>> Seems the batteries currently in them are very hard to find (one off
>>> for manufacture / model?), but there's lots of space in there for a
>>> larger battery. This one is 4"x2"x3.5" 'ish. Looks like there's room
>>> in there for something as big as about 5"x3"x3".
>>> 
>>> Where can such 12V batteries be purchased in K-W?
>>> 
>>> Given UPS and replacement battery prices at CanadaComputers, having 
>>> to
>>> buy new again to replace seems outrageous
>>> 
>>> I'm sort of guessing K-W Surplus unlikely, Orion a possible.
>>> 
>>> Others?
>>> 
>>> 
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>> 
> 
> 
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