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Thread: Facing a strange issue with Corsair CX550

  1. #81
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    Quote Originally Posted by whitestar_999 View Post
    $1=68INR.To put it in perspective I bought my Pentium G620 for 3500INR so ~$51.Also APC does sell replacement batteries for their UPS here but at such an astronomical price that people rather buy a new APC UPS unit.
    Looking at Mouser the replacement battery for my UPS by APC is $240
    But I've never bought them, because they are crap China batteries that die in 2 years.
    Instead pick any standard battery and it will be all good.
    The cheapest option is $140 for two batteries.
    In my case I'd be buying locally because international shipping on batteries is not offered, and usually the shipping cost would prohibitive anyway.
    I just thought I'd mention this incase you think the batteries for your UPS need to be super expensive: they really don't...
    (You have a much smaller UPS so you would probably need a 7AH battery instead).

    https://www.distrelec.biz/en/lead-ac...-12/p/16953269
    "The one who says it cannot be done should never interrupt the one who is doing it."

  2. #82
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    Going back to the supposed Li-Ion APS
    https://www.amazon.in/APC-BX600C-600.../dp/B016XVRKZM
    Claims a 4.20 Watt Hours battery; that is way too small

    The APC site seems to suggest it actually uses a lead acid battery

    http://www.apc.com/shop/in/en/produc...ia/P-BX600C-IN
    says replacement battery
    http://www.apc.com/shop/in/en/produc...10/P-APCRBC110


    So looks like this isn't actually a Li-Ion model and that would explain the low battery life (3 years)
    Last edited by ashiekh; 05-21-2018 at 09:32 AM.

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    I believe APC only sell sealed lead acid batteries as replacement at least in India & is quite overpriced based on online comments on various forums here.

    P.S. @ashiekh did you get my PM reply?just making sure as I was already late in replying.

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    So, did you finally decide in what direction to proceed?

    Pity you can't borrow a car battery to figure out if the UPS battery is at fault. The scientific method needs both theory and experiment; here we are lacking experiment and as a result not making much progress.

    Got your PM
    Attached Images Attached Images
    Last edited by ashiekh; 05-21-2018 at 10:28 AM.

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    For the time being I will either use FSP psu or will directly connect CX550 to mains/inverter backup without UPS. In the meantime I will start saving to buy a 1000VA UPS & will also ask around in forums in my place for feedback about psu+ups setup.

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    Keep us posted if the problem appears later when using the FSP (on the UPS), which would suggest an ailing battery.

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    You were right all along, and may need a sine-wave UPS


    https://www.amazon.com/CyberPower-CP...ews-filter-bar

    "
    This power supply ***does not work*** with computers that have Active Power Factor Correction (Active PFC) technology.

    no matter how I tested it, it overloaded

    "Thank you for contacting CyberPower Tech Support.
    "Your computer uses a power supply that utilizes Active Power Factor Correction (Active PFC) to improve efficiency. Power supplies with active PFC may experience incompatibility problems with a UPS that does not provide pure sine wave power output when the power supply switches from AC power to UPS battery power. As a result, when a computer system using a power supply with active PFC is attached to a non-sine wave UPS, the system may shut down when it switches to battery power"
    ""
    Last edited by ashiekh; 05-21-2018 at 07:07 PM.

  8. #88
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    Quote Originally Posted by ashiekh View Post
    You were right all along, and may need a sine-wave UPS
    Those are witch hunt results. You can find answers that fit any question if you search long enough.

    Have you never owned a UPS?

    Every UPS I have used for personal use has been line interactive with simulated sine-wave. I have NEVER had an issue.

    I guarantee you that 99% of UPS's in people's homes supporting their home PCs are NOT pure-sine-wave UPSs.

    They're just too expensive, so are typically purchased only for enterprise use.

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    Quote Originally Posted by jonnyGURU View Post
    Those are witch hunt results.
    None intended on my part

    Quote Originally Posted by jonnyGURU View Post
    You can find answers that fit any question if you search long enough.
    There is truth in that, but this is claimed to come from CyberPower Tech Support

    Quote Originally Posted by jonnyGURU View Post
    Have you never owned a UPS?
    I have 12 UPS units, of which 5 are sine-wave (one is ferro-resonant); but none are in use at the moment.

    Quote Originally Posted by jonnyGURU View Post
    Every UPS I have used for personal use has been line interactive with simulated sine-wave. I have NEVER had an issue.

    I guarantee you that 99% of UPS's in people's homes supporting their home PCs are NOT pure-sine-wave UPSs.
    If anyone knows, it would be you; who else is in a position to put this 'rumor' to rest?

    It is not my intent to annoy; that's just a side effect ;-)
    Last edited by ashiekh; 05-21-2018 at 08:18 PM.

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    Quote Originally Posted by ashiekh View Post
    There is truth in that, but this is claimed to come from CyberPower Tech Support
    lol

    I'd assume that answer would be from a level 1 tech support person, at that point they're basically reading off a script...

    What do you do with 12 ups'? None are being used? Are you running a scrapyard or is this part of your work??
    You do know most grocery stores use the cheapest back-ups/stepped ups for their pos machines at checkout, and they seem to work just fine, even though the power supply is sub optimal in those computers (as cheap as possible).

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