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Recent content by 5pips49

  1. 5

    Power off battery on line interactive UPS - connected devices power off?

    Cyberpower AVRG750U 750VA / 450W Line Interactive Topology On Battery Waveform: Simulated Sine Wave I had 3 devices plugged into the battery side of a UPS. There was no observable lack of power (the lights in my residence had NOT gone out). I pressed the On/Off button on the UPS to turn the...
    • 5pips49
    • Thread
    • cyberpower ups line interactive topology
    • Replies: 2
    • Forum: Power Supplies
  2. 5

    Plugging UPS into non-grounded outlet

    Not sure if I should have these photos as thumbnails. I can edit if that's the expectation. Here are some photos where I live 2 breaker boxes, connected by this wire. With the second breaker box, if you add up the numbers displayed inside, adds up to about 175 amps. The first breaker box...
  3. 5

    Plugging UPS into non-grounded outlet

    So would really need an electrician to look at it? I am not the home owner, which makes it a pain to deal with. But, as you explained, there are solutions. I also just came across the "Whole house surge suppressor" product. Apparently, those are not expensive. Maybe that's an option. I...
  4. 5

    Plugging UPS into non-grounded outlet

    Interesting. I never knew about such devices. So, can handle a surge, to an extent. Also, can handle a buildup of charge in the device, to an extent. Edit: are such units able to absorb all different amounts of charge? (the more expensive ones can absorb more charge?) Do you think that they...
  5. 5

    UPS battery shopping - what specs do I need, etc.

    Also, selling a white label brand with your name on it COULD mean that you are indeed turning over your inventory reasonably fast. The retailer is probably incentivized to order a high quantity when they order white label with their name printed on it.
  6. 5

    UPS battery shopping - what specs do I need, etc.

    What's so good about having a lot of volume? I can see how the metric of "days to turn the entire inventory once" = a low number can be good. But, I don't think we know that.
  7. 5

    Plugging UPS into non-grounded outlet

    Which one of these? "what it is connected to" means the ground wire or nothing OR "what it is connected to" means devices connected to the UPS, such as a computer or router.
  8. 5

    Plugging UPS into non-grounded outlet

    I read in my UPS (Cyberpower AVRG750U) manual that you should not use the UPS with an outlet that is not grounded. "The UPS must be connected to an AC power outlet with fuse or circuit breaker protection. Do not plug into an outlet that is not grounded. If you need to de-energize this...
  9. 5

    Should desktop computer plugged into UPS show "laptop" battery indicator?

    Once I buy replacement battery or batteries, I think I will use this same method (plugging in lamps) to test those in their brand new state.
  10. 5

    UPS battery shopping - what specs do I need, etc.

    Yes, support is good and fast. Buying 1 = ~ $45.50 with shipping. It's good that I have the option to buy 2 batteries. Seems well worth it to save on the per unit shipping price.
  11. 5

    UPS battery shopping - what specs do I need, etc.

    I am trying to find a UPS battery replacement. Seems like the prevailing advice is 1) reasonable quality. CSB is one brand that I have seen mentioned on discussion forums. 2) nearby retailer, specializes in batteries. Edit: The reason for retailers that specialize in batteries is that they...
  12. 5

    Should desktop computer plugged into UPS show "laptop" battery indicator?

    I was able to test with lamps that had bulbs totaling ~ 95 Watts. Thank you.
  13. 5

    Should desktop computer plugged into UPS show "laptop" battery indicator?

    It doesn't sound like NUT will be as good as the self test. 1. there is the discussion in this thread where people harp on doing a self-test. 2. Here is some more discussion on the topic https://www.reddit.com/r/homelab/comments/1c32t0l/how_do_you_monitor_your_ups_battery_lifewhy_ill/ but a lot...
  14. 5

    Should desktop computer plugged into UPS show "laptop" battery indicator?

    I am not convinced that apcupsd works with Cyberpower UPSes. https://wiki.ubuntu.com/apcupsd "apcupsd is a software package that provides the user with the ability to manage their APC brand uninterruptible power supply." Or you think it's at least worth a try?
  15. 5

    Should desktop computer plugged into UPS show "laptop" battery indicator?

    I was hoping that the software would let me see the battery health. But, on the command line, I ran pwrstat -help and it doesn't seem like it has such functionality. Not a surprise given everything that was stated in this thread (and some of those posts were from quite knowledgeable people). So...
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