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View Poll Results: What is your internet connection speed?

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  • Above 2mbps

    71 44.10%
  • Up to 2mbps

    18 11.18%
  • Up to 1.5mbps

    20 12.42%
  • Up to 1mbps

    15 9.32%
  • Up to 768kbps

    4 2.48%
  • Up to 512kbps

    17 10.56%
  • Below 384kbps

    14 8.70%
  • Dial-up speed (56kbps or less)

    2 1.24%
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  1. Join Date
    Jul 2009
    Posts
    10,305
    #1
    Quote Originally Posted by Dr.Kamiya View Post
    I have a UPS for the fiber modem, phone and routers sa bahay. Para tuloy ang internet pag brownout
    Ano specs ng ups mo at ilang hours tumatagal sa brown out?

  2. Join Date
    Jan 2007
    Posts
    2,627
    #2
    Quote Originally Posted by BratPAQ View Post
    Ano specs ng ups mo at ilang hours tumatagal sa brown out?
    Secure brand 3000VA that I got from PC Express.



    Haven't had the chance to test exactly how long it lasts, but so far hindi pa naman nauubusan even for hour-long outages. I added my PC to it and run extensions going to the fiber ONU and access points.
    It's super heavy, I think it has six of the 12V 9Ah battery modules you typically see in a 500VA UPS.

    IIRC UPS usually provide 5 mins backup time at their rated load, so backup times should be something like:

    2500W - 5 mins [max load]
    200W - 62 mins (1h:02m) [moderate load i.e. light gaming including PC]
    95W - 131 mins (2h:11m) [light load i.e. browsing including PC]
    60W - 208 mins (3h:28m) [monitor off, PC almost idle just to run background tasks]
    15W - 833 mins (13h:53m) [modem and access points only]

    In practice the fiber modem by itself uses 7W or less. I saw a youtube video where a guy ran the modem for over 24 hours using a 40Ah car battery. He monitored actual energy use and it only drew 0.6A at 12V, consuming about 15Ah total over 24 hours so his 40Ah car battery will weather even a 48 hour blackout.

    https://www.youtube.com/watch?v=IeKPY_0Q44Q
    Last edited by Dr.Kamiya; June 21st, 2022 at 12:38 PM.

  3. Join Date
    Jul 2009
    Posts
    10,305
    #3
    Quote Originally Posted by Dr.Kamiya View Post
    Secure brand 3000VA that I got from PC Express.



    Haven't had the chance to test exactly how long it lasts, but so far hindi pa naman nauubusan. I added my PC to it and run a extensions going to the fiber ONU and access points.
    It's super heavy, I think it has six of the 12V 9Ah battery modules you typically see in a 500VA UPS.

    IIRC UPS usually provide 5 mins backup time at their rated load, so backup times should be something like:

    2500W - 5 mins [max load]
    200W - 62 mins (1h:02m) [moderate load i.e. light gaming including PC]
    95W - 131 mins (2h:11m) [light load i.e. browsing including PC]
    60W - 208 mins (3h:28m) [monitor off, PC almost idle just to run background tasks]
    15W - 833 mins (13h:53m) [modem and access points only]

    In practice the fiber modem by itself uses 7W or less. I saw a youtube video where a guy ran the modem for over 24 hours using a 40Ah car battery. He monitored actual energy use and it only drew 0.6A at 12V, consuming about 15Ah total over 12 hours so his 40Ah car battery will weather even a 48 hour blackout.

    https://www.youtube.com/watch?v=IeKPY_0Q44Q
    Thank you for the detailed explanation and the brand. I think I would need ups too when when typhoon season comes.

  4. Join Date
    Oct 2012
    Posts
    27,624
    #4
    Quote Originally Posted by Dr.Kamiya View Post
    Secure brand 3000VA that I got from PC Express.



    Haven't had the chance to test exactly how long it lasts, but so far hindi pa naman nauubusan even for hour-long outages. I added my PC to it and run extensions going to the fiber ONU and access points.
    It's super heavy, I think it has six of the 12V 9Ah battery modules you typically see in a 500VA UPS.

    IIRC UPS usually provide 5 mins backup time at their rated load, so backup times should be something like:

    2500W - 5 mins [max load]
    200W - 62 mins (1h:02m) [moderate load i.e. light gaming including PC]
    95W - 131 mins (2h:11m) [light load i.e. browsing including PC]
    60W - 208 mins (3h:28m) [monitor off, PC almost idle just to run background tasks]
    15W - 833 mins (13h:53m) [modem and access points only]

    In practice the fiber modem by itself uses 7W or less. I saw a youtube video where a guy ran the modem for over 24 hours using a 40Ah car battery. He monitored actual energy use and it only drew 0.6A at 12V, consuming about 15Ah total over 24 hours so his 40Ah car battery will weather even a 48 hour blackout.

    https://www.youtube.com/watch?v=IeKPY_0Q44Q
    single battery lng ata yan. 5kg lng nasa spec sheet.

    ito yun dual battery with fan and fast charging.

    https://shopee.ph/-FREE-SMART-BULB-P...a-30909144d9b4

  5. Join Date
    Jan 2007
    Posts
    2,627
    #5
    Quote Originally Posted by StockEngine View Post
    single battery lng ata yan. 5kg lng nasa spec sheet.

    ito yun dual battery with fan and fast charging.

    https://shopee.ph/-FREE-SMART-BULB-P...a-30909144d9b4
    I promise it's a lot heavier than that. I measured it on a bathroom scale the weight is 22.6lbs, about 10.25kg. Baka copy-paste from a different model yung 5kg. That would be about right for a 1500VA unit.

    Meron din ako nung replacement battery units for a UPS. A single battery unit is 4.2lbs or about 1.9kg. By weight that's five batteries inside assuming minimal increase for the electronics and casing. Not quite the six units I was initially thinking, but makes more sense since a single 650VA unit uses one standard UPS battery.


    Here's a picture of the UPS with a single standard battery unit on top for scale:

    Last edited by Dr.Kamiya; June 21st, 2022 at 08:27 PM.

  6. Join Date
    Jul 2009
    Posts
    10,305
    #6
    Quote Originally Posted by Dr.Kamiya View Post
    I promise it's a lot heavier than that. I measured it on a bathroom scale the weight is 22.6lbs, about 10.25kg. Baka copy-paste from a different model yung 5kg. That would be about right for a 1500VA unit.

    Meron din ako nung replacement battery units for a UPS. A single battery unit is 4.2lbs or about 1.9kg. By weight that's five batteries inside assuming minimal increase for the electronics and casing. Not quite the six units I was initially thinking, but makes more sense since a single 650VA unit uses one standard UPS battery.


    Here's a picture of the UPS with a single standard battery unit on top for scale:

    Wow, 10 kilos. I thought I would just go to a pc express in a mall and walk out carrying one. Seems like kailangan ng trolley papunta sa parking lot.

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