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APC UPS battery replacement for Smart-UPS 1500 (SUA1500) and XL 3000 (SUA3000XLT): batteries RBC7 and RBC55

Posted by jpluimers on 2016/11/28

The details of one of my UPS-es. Jeroen Wiert Pluimers - Google+

The details of one of my UPS-es. Jeroen Wiert Pluimers – Google+

On the right and bottom how the APC SmartUPS 1500 looked before cleaning. Despite APC claims of being non-spillable, lead acid batteries do eventually leak. APC just doesn’t tell you when (they say there is some fine print about replacing them, but hey – if the UPS doesn’t complain about capacity loss…).

Like I mentioned in my first post about the leaking, I cleaned the inside with sodium bicarbonate (easily to get – even in The Netherlands – as “baking soda” or “zuiveringszout” in most grocery shops. “zuiveringszout” is the same but much cheaper).

So after cleaning, you need to assemble a new battery pack and reinstall it. The RBC7 stock battery packs from APC are very expensive and since warranty expired on the UPS and APC batteries leaks anyway, it is much cheaper to re-assemble your own battery pack from a pair of UB12180 batteries. The same holds for the RBC55 (which are just basically two pairs of assembled UB12180 batteries). The decoding of these battery numbers are fairly easy: 12V holding 18.0 Ah of charge. Different battery manufacturers use different battery size nomenclature usually with a similar structure.

Disassembling and re-assembling the packs is fairly easy. Be sure to do this carefully: replacement sets of the APC battery connector wiring harness and fuse will set you back another USD/EUR 15-20 excluding shipping.

The below youtube videos are much clearer on this than any picture series I could have made, plus a series of Tweets figuring out the correct fuses to use.

The RBC7 Battery Replacement for APC SmartUPS 1500 is easy: there is a single RBC7 battery in it. Just swap out the old RBC7 and put in the new one:

Similar for the APC Smart-UPS XL 3000VA 230V Tower/Rack Convertible (model SUA3000XLT) or the SUA48XLBP battery enclosure is similar to the 3000VA model:

Instead of the whole chain of batteries in the video, you get:

But: according to APC, these are leak free. In practice they aren’t, so why pay the APC premium price?

The RBC7 and RBC55 batteries are similar as internally they use the same underlying lead-acid modules: the UB12180 that delivers 18Ah at 12V. All other parts are also similar, like fuses, which you can see in [Wayback/Archive] Swapping connectors on RBC7 / RBC55 battery – YouTube.

It’s much cheaper to remove the head and terminals, then use standard batteries. I was lucky enough that both the RBC55 and RBC7 internally use the same UB12180 battery packs: APC Generic Replacement Battery Cross Reference Lookup is an excellent reference on that.

In the Netherlands, these are links for the replacement batteries as sets:

You can also create your own sets of individual UB12180 batteries. Be sure to get the ones with T4 nut&bot terminals. Forget about the ones with M5 threaded terminals (that often are slightly cheaper). From the same Dutch seller: UB12180 Loodaccu 18Ah – ReplaceDirect.nl at about EUR 55 each.

For the RBC55, this is how to do the replacements:

And for the RBC7, it works in a similar way:

The RBC7 in my UPS had a 32V 100A fuse. It was a bit confusing what part numbers these have.

The RBC55 in all videos seem to have bus bar, which is also confusing: I was expecting fuses there as well and can’t come up with a reason why they don’t.

Potential fuses

Battery products

Query

[Wayback/Archive] HELLA 8JS 742 901-051 data sheet – Google Search

Twitter

Tweets on the RBC7 fuses:

  1. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “Weet iemand van mijn Tweeps waar je zo’n 100A 32V blok-zekering in Nederland of Duitsland kunt bestellen?”

    [Wayback/Archive] Amazon.com: Bussmann FLD-100 Automotive Fusible Link (9/16″ Bolt Terminal – 100 A (Blue)), 1 Pack : Automotive

  2. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “(komt uit een “leak free” APC RBC7 UPS battery pack die, uiteraard, is gaan lekken, dus pootjes flink gecorrodeerd)”
  3. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “Afmetingen van www.batteryspec.com/cgi-bin/cart.cgi?action=link&product=10 ~22mm hoog ~49mm breed ~36mm afstand tussen de gaten”
  4. [Wayback/Archive] Remco Meeder on Twitter: “@jpluimers Handige maat. Anders dan zowel de standaard Midi- en Mega-fuse zekeringen.”
  5. [Wayback/Archive] Remco Meeder on Twitter: “@jpluimers Dit lijkt er wel erg op. Hella heeft deze zekeringen. Artikelnummer: 8JS 740 026-361”
  6. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “@remcomeeder Oh, kijk: dat zou bij de betere automaterialenhandel verkrijgbaar moeten zijn. Dank!”
  7. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “@remcomeeder Oh, kijk, een platte past ook. Heb je enig idee waar ik die zou kunnen kopen?”

    [Wayback/Archive] Swapping connectors on RBC7 / RBC55 battery – YouTube.
    100A 32V platte zekering

     

  8. [Wayback/Archive] Remco Meeder on Twitter: “@jpluimers Die platte lijkt sterk op een midi of mega fuse. De afstand tussen de twee accu’s is misschien wat aan te passen? Midi: uw-accuwinkel.nl/nl/zekeringen/bladzekering-midi/bladzekering-midi-100a-detail Mega: uw-accuwinkel.nl/nl/zekeringen/bladzekering-megafuse/bladzekering-megafuse-100a-detail“
  9. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “@remcomeeder Net opgemeten met schuifmaat: de hartafstand tussen de gaten is 28mm (iets meer past ook nog in de APC behuizing dan kom je rond de 30mm uit). Enig idee waar ik meer specs van die zekeringen kan vinden waar wel hartafstand in staat?”
  10. [Wayback/Archive] Remco Meeder on Twitter: “@jpluimers Midi is 29.3mm hartafstand.”

    [Wayback/Archive] www.victronenergy.com/upload/documents/Datasheet-Midi,-Mega-and-ANL-fuses,-and-fuse-holders-EN.pdf

  11. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “@remcomeeder Eindelijk tijd gehad (intussen huis te koop gezet) de Hella 8JS 740 026-361 te bestellen uit https://t.co/Yr43ahf6NG te proberen: het blokje waar de zekering in zit heeft exact de juiste afmetingen. De lipjes zijn inderdaad veel te lang. (Rotring pr0n) https://t.co/m76tejKS9b”

    [Wayback/Archive] Remco Meeder on Twitter: “@jpluimers Dit lijkt er wel erg op. Hella heeft deze zekeringen. Artikelnummer: 8JS 740 026-361”
    Image Image Image Image

     

  12. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “@remcomeeder Straks zowel de Hella 8JS 740 026-561 fuse bestellen (van … die Twitter me gek genoeg met alle recente wijzigingen nu pas laat zien, sorry @WulfgangIsAMyth),”

    [Wayback/Archive] 🇼ulfgang | @WulfgangIsAMyth@mastodon.nl on Twitter: “@jpluimers Is deze equivalent?”

    [Wayback/Archive] Hella Zekering 100A – 8JS740026561 in Voertuig / Elektro / Installatiemateriaal / Zekeringen / PAL – Zekeringen – Techniekwebshop.nl

  13. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “@remcomeeder @WulfgangIsAMyth als de Hella 8JS 742 901-051 midi fuse uit … Ik denk dat ze beide gaan passen. Is er een operationeel verscheel tussen beide typen zekeringen?”

    [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “@remcomeeder Ik denk dat het een HELLA 8JS 742 901-051 is, maar ik kan daar nergens afmetingen of een data sheet van vinden.”

    100A 32V platte zekering

    https://google.com/search?q=HELLA+8JS+742+901-051+data+sheet

  14. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “@remcomeeder @WulfgangIsAMyth Voor de volledigheid even de Amazon linkjes (ja ik weet het, duivels, maar energielevels nog steeds beneden maats en altijd wat lekkers voor de fijne pakjesbezorgers hier klaar liggen: die gaan ons nu al missen) Te groot: Hella 8JS 740 026-361 Fuse”

    [Wayback/Archive] HELLA 8JS 740 026-361 Fuse – C – 100A – Blue – Quantity: 1 : Amazon.de: Automotive

  15. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “@remcomeeder @WulfgangIsAMyth Hopelijk goed, maar kost 2x zo veel: Hella 8JS 740 026-561 fuse”

    [Wayback/Archive] HELLA 8JS 740 026-561 Fuse – CS – 100A – Blue – Quantity: 1 : Amazon.de: Automotive

  16. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “@remcomeeder @WulfgangIsAMyth En dan een dunnere: Hella 8JS 742 901-051 midi”

    [Wayback/Archive] HELLA 8JS 742 901-051 Fuse – MIDI Fuse – 100A – 32V – Blue – Quantity: 1 : Amazon.de: Automotive

  17. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “@remcomeeder @WulfgangIsAMyth Meer foto’s. Met nu Dolmen / HP pr0n in plaats van Rotring pron mm, inches, picas, ciceros, pitch, lines per inch. Het Belgische Dolmen is inmiddels gefuseerd tot RealDolmen.”

    Dolmen/HP liniaal met doorzicht en eenheden mm, inches, picas, ciceros Dolmen/HP liniaal met doorzicht en eenheden pitch, lines per inch.

  18. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “@remcomeeder @WulfgangIsAMyth Hella 8JS 740 026-561 fuse”

    Image Image Image Image

  19. [Wayback/Archive] Jeroen Wiert Pluimers @wiert@mastodon.social on Twitter: “@remcomeeder @WulfgangIsAMyth Hella 8JS 742 901-051 midi fuse”

    Image Image Image Image

Conclusion: the MIDI fuses will fit best.

–jeroen

This entry was posted on 2016/11/28 at 12:00 and is filed under APC Smart-UPS, LifeHacker, Power User, UPS. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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