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Thread: UPS or Inverter + Batteries?

  1. #1

    Question UPS or Inverter + Batteries?

    I want to run computer equipment - around 2000 W with another 2000 on the way in a few months. What would you suggest for the backup power? My priorities in order of most important to least important are:

    1) Surge protection
    2) Buffer from brownouts and general fluctuations
    3) Ability to run while power is down (1-3 hours)
    4) Ability to connect solar at a later point.

    For 1) should I just get surge protection at the DB? I also need it at the Cat5 cable since it routes outside / underground.
    Would it be better to get an Inverter + MPPT charge controller + Batteries for now (charge controller connected to Eskom) or should I consider a UPS? Which is more efficient? Is the charge controller a waste without the panels? Cost wise I imagine the charge controller + inverter + batteries rivals a good pure sinewave online UPS.

    I'm thinking 6kva min.

  2. #2
    Super Grandmaster bekdik's Avatar
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    I'd suggest an APC ups
    You only get one chance to piss off a client. After that they are an ex client ...

  3. #3

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    Pm of you're interested in a UPS. I've got 2 Eaton UPS' that's lying around, model 9PX5Ki. 5kva units with decent batteries as well as extra battery packs.

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