My UPS is now 7 years old and I suppose it is time to replace the lead-acid battery.
My manual, which is now lost, mentioned NOT attempting this.
Any tips from folks who have done this?
Thanks.
New battery for UPS
Mar 09, 2009
6 Replies
If it is that old you may have to pry it out of the chassis. They tend to swell over the years and some designs are so tight that it is difficult to remove before the batter fails. You didn't state the brand or model. Enter them into a search engine with replacement battry and you will find dozens of vendors. Don't bother searching with your state, because every one of them list all 50 states in their meta tags. Interstate Batteries
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is on national chain that has warehouses all over the country, and a lot of RV dealers carry the brand. They are hungry right now, and should be happy to place a special order. I have a local tire dealer who will order them for me at his costs, if I prepay, and include the sales tax so I can refurbish supplies for my 'Computers For Veterans' project. Make sure the battery you buy has the right terminals. UPS batteries generally use 1/4" Faston connectors, while the identcal battery has
3/16" Faston connectors when sold for other uses.
Another source is E-bay, if you are pinching pennies.
BTW, I have found manuals for most UPS i've worked on availible online by searchining brand + model + manual.
For larger home or small office UPS systems, the portable jumpstart batteries are around 17 AH and the entire unit can be had for about $40 when Harbor Freigh has them on sale.
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At that age it's likely that the surge supressor MOVs have worn out. Probably best to just replace the entire unit. (Assuming of course that it has built-in surge suppression.)
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Brand? Model? Tried downloading a manual?
can
Excellent!
"Sal"
What brand of UPS? Some have doors or covers that are user removable to get at the battery. APC sells battery kits for many of their UPS's (includes a return box for recycling, as you should NEVER put a lead- acid battery in the garbage!)
I've bought my own batteries in the past. Just open up the UPS and see if you can see the specs on the battery. If the UPS manufacturer doesn't cover up the label, you can probably find the exact battery manufacturer and model #.
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