This was posted 1 year 1 month 19 days ago, and might be an out-dated deal.

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ROMOSS Sense 8+ 18W 30000mAh Power Bank $40.49 Delivered @ Romoss Tyllon via Amazon AU

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ROMOSS Sense 8+ 18W 30000mAh Power Bank $40.49 Delivered @ Romoss Tyllon via Amazon AUAffiliate
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thsydney on 09/03/2023 - 11:47 amazon.com.au (1869 clicks)
Last edited 09/03/2023 - 12:25 by 1 other user
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I hold off on other's Powerback deal this morning and I got this one for myself.

I missed the last January deal, so this is precisely on par with January deal. And I thought it won't drop back to the $32.99 deal so soon.

This should be 30000mAh = 111Wh for your quick ref:

Lighting Deal for One Day at Amazon

copied description from Amazon listing,
1 Week of Worry-free Power: Fully recharged Sense 8+, the 30,000mAh capacity gives 4 full charges with Nintendo Switch, 12.6 to iPhone 8, 7.2 to Samsung S9, and 4 full charges to iPad mini 4. A Must-have for unlimited gamers, for camping, hiking and all kinds of fests.

Fast Charge 3-Output: Charges QC-support devices up to 80% in just 35 minutes, 4 times faster than conventional chargers. 3 USB outputs enable to charge a mobile phone, a tablet or with Nintendo Switch simultaneously at maximum speed up to 3 amps.

Rapid Recharge 3-Input: It only takes 11 hours to fully recharge the 30,000mAh power bank with a 18W wall charger. Featuring 3-input: Micro-USB, l i g h t n i n g and Type-C provides high convenience of recharging this power bank with any of these 3 widely used cables.

Price History at C CamelCamelCamel.
Electrical & Electronics 30000mAh Power Bank Romoss

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closed Comments

  • Kassdabass on 09/03/2023 - 11:56
    +1

    Cheers OP, got 1

  • azm on 09/03/2023 - 12:00

    Got 1 for my trip, thank you OP.

  • chilln2006 on 09/03/2023 - 12:02

    Thanks! Will get the job done 😁

  • Spectatie on 09/03/2023 - 12:14

    Got 1 as well. Thanks

  • Archi on 09/03/2023 - 12:14
    +2

    i know this question has been asked before but i can't seem to locate the answer…

    can these go on the plane, international and/or domestic?

    buy now think later,,

    thanks OP

    • notmariya on 09/03/2023 - 12:18
      +1

      flown multiple times with mine - only domestic though. never even copped a side glance so i assume its fine.

      • ChatCPT on 09/03/2023 - 12:20
        -1

        probably must be fine then

    • [Deactivated] on 09/03/2023 - 12:21
      -2

      20,000 mAh is the max capacity and must be in hand luggage. YMMV.

      • RyanEditor on 09/03/2023 - 12:41
        +10

        27,000 mAh is the max, just harder to find.

        • lovbargain on 09/03/2023 - 14:13
          +2

          ROMOSS used to sell one at 26700 mah :)

        • [Deactivated] on 09/03/2023 - 22:16

          I've been told by airport staff it's 20,000 mAh. But as I said, YMMV.

    • wh007 on 09/03/2023 - 12:24
      +1

      Qantas website
      Lithium Ion battery (rechargeable) - not exceeding 100Wh:
      - All spare batteries and powerbanks must be as carry-on baggage only.
      - The battery terminals must be protected e.g. taping over the exposed terminals.
      - Carry-on baggage only, not allowed in checked baggage

      • ChatCPT on 09/03/2023 - 12:27
        -4

        And for those wondering a

        Wh = Ah x V

        eg from OP

        30Ah x 9V = 270Wh!

        Well over the 100Wh limit

        • JimmyLmao on 09/03/2023 - 12:34
          +8

          I believe power banks are usually 3.7 volts.

          So 30,000mAh x 3.7v / 1000 = 111Wh

          Above the 100Wh for no questions asked, but within the 100-160Wh generally allowed with declaration and approval.

          • Archi on 09/03/2023 - 12:48

            @JimmyLmao: For japan airlines who i am flying

            Link is here

            JAL allows up to 2x pices between 100 and 160 wh.

            • JimmyLmao on 09/03/2023 - 13:04
              +1

              @Archi: Nice, that limit of 2 power banks between 100-160Wh seems like a global standard too. It seems like Japan Airlines' policy is to simply check this when you check in (i.e., when putting it through the scanners on a tray they may want to take a look at its capacity to verify its not over 160Wh).

              If you're simply doing JAL there and back then you should be okay. But if you're mixing in other airlines for other flights be sure to check all their policies in case one requires approval in advance like Qantas/JetStar do.

          • ChatCPT on 09/03/2023 - 14:37
            -3

            @JimmyLmao: product specs says 9V

    • IM-Cheap on 09/03/2023 - 12:28

      I got mine confiscated on an international flight. No issue taking it overseas but not able to fly from KL to Tokyo. I'd taken it to Philippines and back no issue but might have been luck.

    • JimmyLmao on 09/03/2023 - 12:28
      +3

      I believe the answer isn't so straight forward.

      It seems like a global standard for airlines to limit powerbanks between 100-160 Wh (27,000mAh - 43,000mAh), requiring airline approval - which in some instances like Qantas require an email in advance (but you may be lucky and get away with it at check in). This seems like too much of an inconvenience for me personally.

      I'm in the market for a power bank too and I'll be sticking to 27,000mAh and below to avoid this potential problem. Especially because you can get away with having multiple power banks under 27,000mAh if you need higher capacity.

      @besttraveltech has all the info :)

      • besttraveltech on 09/03/2023 - 15:05
        +1

        Thanks for the tag. I have posted a separate comment with the quick-reference table I've created and info on domestic airlines.

        As you said, 2 x spare batteries, 100-160Wh, is the global standard, but airlines and countries can enforce their own rules, so it's best to double check if you're worried, or just grab a 20-27,000mAh (like you're planning to do) to be safe and skip the check-in.

    • Ut1 on 09/03/2023 - 12:32

      I have flown with this one a number of times, without any issues.
      However, during my last domestic flight from Bundy, the security personnel asked me to get it approved by the flight operator to carry it in flight.

      • montorola on 09/03/2023 - 12:59

        I wonder what them "approving" it actually does.

        Do they store it in a special compartment onboard?

        • besttraveltech on 09/03/2023 - 15:12

          No, they don't store it anywhere. I have tried to find this information before, but there's nothing online about exactly what the purpose of the check-in is. I suspect it's one of the following:

          1) So plane staff are aware of the potential for a higher capacity lithium fire.
          2) So they can inspect the larger capacity batteries for sign of swelling, damage, etc that may increase the risk of fire.
          3) Checking that the battery is definitely <160Wh and the passenger hasn't miscalculated.
          4) Security theatre.

        • Ut1 on 09/03/2023 - 15:52

          Lol. just a stamp on your boarding pass.

      • claw225 on 09/03/2023 - 15:44

        The only time I have ever had a power bank looked at domestically was Bundy as well. What an odd airport to be prickly about power banks.

    • ExpressCoffee on 09/03/2023 - 13:56

      Done a few international trips with this. Apart from being a brick, haven't had an issue

    • Caped Baldy on 09/03/2023 - 15:15

      Technically you need prior approval and the airlines will give you a permit for 12 months. I haven't done this personally.

      To go without risk of questions, the max is 27000mah - manufacturers seem to do 26800mah. 20000mah is the sweet price point from my research.

  • McFly on 09/03/2023 - 12:17
    +1

    Good price, but no PD, and useless Lightning input.
    It does do passthrough which is a nice thing to have sometimes.

    • browser on 09/03/2023 - 12:28

      Why is Lightning input useless if you have an iPhone and a Lightning cable, and you want to charge the power bank for later use?

      • taki on 09/03/2023 - 12:39

        Lightning is dying by EU world standards ;)

        • browser on 09/03/2023 - 14:10
          +2

          Considering all the iDevices out there, Lightning will take years to phase out.

          Lightning will most likely out live this power bank. So…

          • taki on 09/03/2023 - 15:18

            @browser: Lightning died for me in 2012 ;) I embrace standards before they are established, eg. superior USB-C, micro-SD universal extension card… If it's Apple, I stay away - OZ bargain spirit ;)

    • ripprind on 09/03/2023 - 16:24
      +1

      No PD but charges my ThinkPad T480s just fine.
      In fact much faster than HEYMIX "60W" PD charger.

  • ltwo on 09/03/2023 - 12:17

    anyone know how long this will last for 3 devices that draw 1.2a, 0.5a and 0.12a? All 5V

    • ltwo on 09/03/2023 - 12:20
      +6

      nvm asked ChatGPT who told me approximately 3.5 hours at 0.85 efficiency factor.

      Runtime = 30,000mAh / 9.1W x 0.85 = 3.5 hours

      • chilln2006 on 09/03/2023 - 12:22

        ChatGPT hey… 🤣

      • ChatCPT on 09/03/2023 - 12:28
        +1

        life begins at CGPT

      • dingaling2 on 09/03/2023 - 13:03

        I might be having a brain fart, and should not question chat GPT here, but shouldn't it be dividing with the same unit watt hours (111wh / 9.1watt consumption = 12hrs) ? (not taking into account that effeciency

        • ltwo on 09/03/2023 - 13:09

          someone more knowledgable can confirm but this is the formula it used.
          Runtime (in hours) = Battery Capacity (in mAh) / Total Power Consumption (in watts) x 0.85

          edit:
          after questioning CGPT, it came back with this on the 3rd attempt.
          Runtime (in hours) = Battery Capacity (in Wh) / Total Power Consumption (in watts) x 0.85

          Runtime (in hours) = 150 Wh / 9.1W x 0.85 = 15.6 hours

          • dingaling2 on 09/03/2023 - 13:39

            @ltwo: Im going to have a go, and probably make a fool of myself.

            1.2a, 0.5a and 0.12a? All 5V = 6W + 2.5W + .6W = 9.1Watts draw from the battery

            30,000mAh, or just 30Ah (30Ah x 3.7V nominal lipo battery voltage= 111Wh)

            111Wh / 9.1Watts = 12.19hrs runtime. Not taking some variables into account.

            • ltwo on 09/03/2023 - 13:45
              +1

              @dingaling2: Your answer sounds the most plausible.

              12.19 x 0.85 = ~10.36 hours.

              • dingaling2 on 09/03/2023 - 13:47

                @ltwo: Interesting how chat GPT came back with a different answer. Yes that's on the money with my results with the 10.36hrs with efficiency taken into account! Thats a decent wack of run time! i might have to grab this battery!

        • Zilch on 09/03/2023 - 13:23
          +2

          you should always question ChatGPT

        • burns13 on 10/03/2023 - 01:07
          +1

          I for one do not question our chatgpt overlords

      • superroach on 09/03/2023 - 15:36
        +1

        ChatGPT is an actual replacement for LMGTFY now it seems

  • browser on 09/03/2023 - 12:32
    +1

    Got an Aukey 30,000mAh unit 6 years ago, still working solid though probably doesn't hold as much power, but difficult to justify a replacement.

  • Michael Lim on 09/03/2023 - 12:35

    This is good quality Powerbank but a bit heavy to carry on backpack.
    Bought it cheaper from Amazon @ $35.20 in Oct 2020.
    Still using and in good conditions till today, to charge my iPad Pro, Samsung Phone and Nintendo Switch.

  • harvestloon on 09/03/2023 - 12:40

    Fantastic powerbank

    • Rimzi on 09/03/2023 - 12:47
      +1

      Yep I love it too. I got the same white one, and within the first week it got dirty and I could never seem to clean it of.

  • Rumbaar on 09/03/2023 - 12:46

    Looks like I paid $39.99 standard price back in DEC 2022. Guess a decent price still. They do have regular lightening deals and % discounts.

  • besttraveltech on 09/03/2023 - 13:05
    +10

    These are allowed on planes:

    Over 100 Wh 

    If your power bank is between 100Wh and 160Wh you may still take it with you, but it will need to be cleared by the airline.

    • Virgin(virginaustralia.com) will approve 2 spare battery packs, 101-160Wh, when declared at check-in.
    • Rex(rex.com.au) will approve 2 spare battery packs, 101-160Wh, when declared at check-in.
    • Qantas(qantas.com) and Jestar(jetstar.com) will approve these batteries but require prior-approval via an email to <[email protected]> and declaration at check-in.
    Quick Reference Table

    | mAh | Wh | Status |
    | 5,000 | 19 | Safe to carry-on |
    | 10,000 | 37 | Safe to carry-on |
    | 15,000 | 56 | Safe to carry-on |
    | 20,000 | 74 | Safe to carry-on |
    | 25,000 | 93 | Safe to carry-on |
    | 27,000 | 100 | Limit without airline approval |
    | 30,000 | 111 | Seek airline approval |
    | 35,000 | 130 | Seek airline approval |
    | 40,000 | 148 | Seek airline approval |
    | 43,000 | 160 | Legal limit |
    | 45,000 | 165 | Illegal to bring on plane |

    • besttraveltech on 09/03/2023 - 13:08

      Also, I have one of these, I've taken it on a plane many times without issue. They're great quality.

  • dodgybrothers on 09/03/2023 - 13:07

    I had two power bank from the same company and were swollen after 7 - 8 months.

  • Jimothy Wongingtons on 09/03/2023 - 13:21

    Anyone know what the go-to is for an option that can do up to 15v /3A, thinking about one to possibly power steam deck on the go.

  • chadleyshe on 09/03/2023 - 14:20
    +2

    for anyone wanting to power a laptop or a steam deck, I would look at getting a 65w power bank.

  • Sillen on 09/03/2023 - 14:50

    I went with the 20000mAh 50w for $57 after 10% discount https://www.amazon.com.au/gp/product/B089NLMKK8/

  • superroach on 09/03/2023 - 15:37

    The idea that this takes more than 8 hours to recharge kind of makes it silly for if you are taking it out and about for use - if you were to fully drain it, you wouldn't be able to fully charge it again easily.

    If you were not going to make use of all the capacity and knew before hand, you'd be better off with a lighter one anyway.

  • Almundo Oz on 09/03/2023 - 16:08

    I've bought batteries from this brand before but none lasted 6 months. Either broken port or swollen.

    YMMV

  • pogichinoy on 09/03/2023 - 17:33
    +1

    Bought one in 2020 and another in 2021 back when they were just over $30.

    Took one of these to Qatar and France and had no issues on Qatar Airways.

    Both working great after all this time.

  • burns13 on 10/03/2023 - 01:10

    Obviously great when you're away and no quick access to power points. But day to day I find one of these very handy to have around the house if you don't want to be stuck next to a power point.

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