• out of stock

APC Back-UPS BX700U-AZ 700VA AVR Uninterruptible Power Supply $87.20 + Delivery (Free with eBay Plus) @ Futu Online eBay


Futu reduces the price again on this UPS.


  • Audible alarms Provides notification of changing utility power and UPS power conditions
  • Automatic Voltage Regulation (AVR) Automatically steps up low voltage and steps down high voltage to levels that are suitable for your equipment.
  • LED Indicators Provide easy-to-read status of the unit and utility power conditions.
  • Telephone dataline surge protection Provides protection of connected equipment from power surges traveling on telephone lines.
  • USB connection Use your PC to access additional power protection and management features for your UPS via a USB Port.

Original Coupon Deal

Mod Note: Back in Stock

EDIT (10 Oct 2019):

FYI, eBay AU - $3 Bonus Cashback ($30- $109.99 Spend) | $10 Bonus ($110- $499.99 Spend) | $60 Bonus ($500+ Spend) @ ShopBack via App on 10 Oct.

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closed Comments

  • +3 votes

    Note it was $109 in late July…

    Prior posts from April and July.

    Amazon AU, Amazon US, Manual #1, Manual #2 - note not entirely sure they deal with exactly the same machine…

  • I had to google this to find the answer.


    It's going to give you typically 5 to 20 minutes of battery time for a standard desktop PC (60-250 watts) - enough to save and shut down, but not to continue working, or finish much of a gaming session.

    • This is good to keep a modem/router/switch going through a blackout, or shut down a computer, not really enough to keep a desktop going to keep working.

      • The main use of a UPS is not extending the connected devices usage during a blackout, but to protect your equipment from brownouts or power surges which could lead to them being damaged.

        • Yeah, I've got 4 similar models backing up my entertainment unit, a PC, another PC, and finally my modem/router/NBN.

          I get like 5minutes on the higher draw scenarios and about 30minutes on the modem.

          I mainly have it for the 1-2 second power failures I get weekly.

        • Correct. If you want continual use, you need a generator.

          • @PleasureMe:

            Correct. If you want continual use, you need a generator.

            Or a laptop - when I have a blackout, the UPS keeps the network infrastructure going and I'll just move over to my laptop. Seems to be a reasonable solution for me.

        • That isn't completely true (in terms of the main use) - though it's possible they may accidently perform both these functions. You are half correct - it does depend on the exact type of UPS you have purchased.

          Most consumer UPSes may not do too much to deal with both brownouts or surges. They will deal with a straightforward loss of power (by switching over to a battery) which can help deal with loss of data or to keep equipment going during say a 5 minute outage.

          You would need to think about a more sophisticated UPS if you really intended it to deal with brownouts or surges. Ones that are basically running your application directly off a secondary circuit rather than 'switching'.

          Also, they aren't necessarily much good at being lightning arrestors either :-)

          They are pretty useful when a typical household circuit breaker trips and you can go back to the switchbox and reset the breaker.. and you haven't lost your computer or net in the interval.. (if they happened to be plugged in on the same circuit).

  • SO tempting to get one of these for my NAS so I don't end up risking losing data (or having to rebuild the RAID)……

    • very good reason to have a ups, if you can afford a nas and storage, why not pay a fraction of that cost for a ups.

      • I have a very cheap NAS from over 4 years ago lol.

        I'm planning to upgrade to a more substantial NAS in the next six months so will probably do a more holistic upgrade.

    • Your NAS needs a UPS more than your desktop does. If you're using any form of RAID, I'd go as far as saying that a UPS is absolutely essential.

      • Needed it more for desktop in case I have any sensitive files open and need to make sure I can save/shut down than lose work. My main storage is cloud anyway and the NAS is more for movies/local cloud sync/old data which isn't that vital… but let's see in the future.

  • This will work with any 7.2AH replacement battery right? Not limited to APC's own batteries?

  • A horribly unsexy purchase, but if you live in Perth (with a grid that the Taliban would be ashamed of) it's a must-have.

  • how much power could this supply to smaller devices for an extended period of time? using it as a giant powerbank

  • Hi guys,

    quick question,
    Apart from battery time , what happens if you connect a device that draws more than the UPS capacity?

    For example connecting a 1200W server to 950Wmax ups? will it break the ups? what are the caveats?

    I'm looking to buy one but theoretically i'll overdraw it. While if I go to accurate numbers will be super costly :(

    • It will start making a really loud and annoying beeping sound, but will continue to supply as much power as it can.

      • Thanks mate for coming back,

        one more quick one , I use belkin surge protector 8-way outlets which highlight 900jules surge protection in the specs where majority of smaller UPS are less than 200 jules , am I missing something or Belking is lying?!

        While if Belking is truthfull , i'll stay with them (i need the UPS mainly for surge and voltage normalization , don't need battery backup)

        • It's possible to put a much larger arrestor into a power board than you might get with a UPS. Why ? simple economics.

          It's also not uncommon to have a surge arrestor into your wall socket and then the UPS behind that.. and if a lightning strike of sufficient power (or distance) came through for it to take out the surge supressor, the UPS and your device as well.

          You are trying to reduce the probability of an event, not avoid it completely (as for this kind of event, a 100% success rate is extremely expensive and not practical in a home environment).

  • "Features Audible alarms"… that's no feature. The feature would be an option to silence those alarms. Also, I think these cheap UPS boxes have fans that run permanently, which is not cool. The cheap CyberPower UPS models selling at Office Works are the same annoying fan that never stops. So you can't put units like this within earshot unless you don't care about annoying fan noise.

  • Is it ok to plug a power board in the back, would have more than 3 network items?

    And anything better than this in the price range?

    • +1 vote

      Power boards are always fine with low-power items. Daisy-chain them even.

      You can plug in a dozen small electronic items and still get nowhere near the power draw of a desktop PC.

      Just do the maths on the total power draw and you’ll be fine.

      • Thanks.

        Do the APC have the same features that the cyberpower does in letting the Synology know when the power is out etc?

        • Yes it does. APC ha long had USB communications and is widely supported. My Synology hands of an APC UPS.

  • Thanks OP

  • +1 vote

    Back in stock again.


    The Phantom is still thinking about this one.

    It's a line-interactive design - some of the cheaper ones are standby.

    This will probably work as a replacement battery once it dies.


    Show's over - back at $139.00.


    Shots of the inside on Page 22. More documents here.

    Thanks OP - i am now wearing protection.

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