Re: Database of UPS inverter output waveforms @ HWI
yes it is interesting that such a small unit has a pure sinewave output.
sadeoo7
Member
Last Activity: 03-21-2016, 09:53 PM
Joined: 07-08-2015
Location: Montreal
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Re: Database of UPS inverter output waveforms @ HWI
yes the 500va version has a pure sinewave output i tested it with my Fluke ScopeMeter.Leave a comment:
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Re: Database of UPS inverter output waveforms @ HWI
wow thats amazing great work ! i was surprized when i found out that a small Eaton unit the model 5115 500va thats runs of a single 12v battery had a sinewave output. im going to use it as an inverter for a small solar setup. thanks for collecting all that information !Leave a comment:
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Re: APC Smart-UPS float voltage experiment
i read the faq, sorry and thanks !Last edited by sadeoo7; 03-03-2016, 12:37 PM.Leave a comment:
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Re: UPS battery recommendation
yeah these days most of the batteries are made in china but there are still a couple of brands who make them at some other place like Yuasa (Taiwan) and CSB (Vietnam)...Leave a comment:
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Re: APC UPS units - troubleshooting
i said that they where optimized for a higher depth of discharge but the NPX series are in fact high rate. sorry for my mistake.
here is the datasheet if you want to check them out
[url]https://cdn.badcaps-static.com/pdfs/81d234d22f5cdb188edc38f090d72a8a.pdf[/url]Re: APC UPS units - troubleshooting<...ps://cdn.badcaLeave a comment:
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Re: APC Smart-UPS float voltage experiment
i will check for some dead panasonic batterie when i get some because i dont want to search in every box...
yeah we recycle alot of dead sla batteries this pallet is about 5 feet tall.
this is just a shelf full of ups
...Leave a comment:
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Re: APC Smart-UPS float voltage experiment
so you think that if i overcharge a panasonic battery for multiple years it will not becaume bulgy ? its not just about that... and soryy for the low resolution i probably made a mistake with the weird photo posting website i used. I searched for some panasonic batteries today but we don have any right now they are preatty rare but i will post some ipictures if i find some.Last edited by sadeoo7; 03-03-2016, 10:40 AM.Leave a comment:
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Re: APC UPS units - troubleshooting
i find that Yuasa Batteries specially the NPX series are higher quality than the batteries offered by CSB.
the NPX series from Yuasa are made for higher depth of dicharge and oftimized for standby use.
the equivalent to a NP9-12 (12v9ah) is a NPX35Last edited by sadeoo7; 03-03-2016, 01:43 AM.Leave a comment:
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Re: APC Smart-UPS float voltage experiment
i will defenitly try to get you some pics of some panasonic batteries that failed but take a look at these
they where about 6 years old when we got them out of the ups
[url=http://postimg.org/image/womaboqon/][/url]
these are just an example of some really cheap batteries and they where a year old when we got them out
[url=http://postimg.org/image/aqpthwbo7/][/url]
[url=http://postimg.org/image/4eao828lz/][/url]Re: APC Smart-UPS float voltage experiment
Last edited by sadeoo7; 03-03-2016, 01:14 AM.Leave a comment:
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Re: APC Smart-UPS float voltage experiment
Its true that APC ups'S overcharge batteries but they still last about 3 years in most of the cases, and this is what apc advertises too. now if you want to make your batteries last longer you just have to keep the float voltage beetween 13.4 and 13.8 volts and keep them cool the best temperature for these sla's is from 20 to 25 degrees C. But i do agree with Behemot you really should start with some good batteries, i work in a ups service center and sometimes some of our costumers say that they will remplace their batteries by themselves...Last edited by sadeoo7; 03-02-2016, 03:32 PM.Leave a comment:
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Re: UPS battery recommendation
csb yuasa datasafe and genesys batteries are really good i work in a ups service center and these are surely the most reliable ones but they also cost abit of money... power sonic batteries arent bad too but they arent great either so its what suits your wallet really...
sorry for my english im french
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Re: APC UPS Schematics
does anyone still have any schematic im searching for schematics of some apc ups units the website doesnt have them anymore ?!Leave a comment:
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