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Ryobi 18V ONE+ 150W Battery Topper Inverter 4Ah Kit $119 Delivered / C&C / In-Store @ Bunnings

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Ryobi 18V ONE+ 150W Battery Topper Inverter 4Ah Kit $119 Delivered / C&C / In-Store @ Bunnings
Go to Deal
revheadgl on 17/09/2025 - 13:52 bunnings.com.au (7708 clicks)
Last edited 19/09/2025 - 12:54 by 1 other user

Part of the OnePass deal. Will be available to non OnePass members from the 18th.

This is a good deal for what you get for $119. Considering the battery alone has RRP of $149. The only other way to buy the topper is in a kit for $149 that does not include a battery, but has a 12v car lighter socket type charger. https://www.bunnings.com.au/ryobi-18v-one-150w-inverter-and-…

You get the 150W battery topper,
A 4.0AH battery,
A 65W USB wall charger.
A 1M USB-C to USB-C Cable,

The battery topper is a newer model but I can only assume it is still a modified sine wave.

It has 1 x USB-C PD port 30W, (Credit to Clear for spotting it). Plus 2 x USB-A ports 15W each, a 150W 240v outlet and an led light. Pic of the USB-C port, https://files.ozbargain.com.au/upload/309005/124117/ryobi_in…

Here is a link to access the only manual I could find (it's from a different kit but the topper itself is the same model) Just scroll down a bit and click on manual.
https://www.ryobi.com.au/products/portable-power/18v-one-150…

Fairly widely available in reasonable numbers with not too many store nil stock. https://bunnings.youinstock.com.au/search/0879021

Electrical & Electronics 18V 4Ah OnePass Big Brands Bonanza Power Inverter Rechargeable Battery RYOBI USB Charger

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    • revheadgl on 17/09/2025 - 15:40
      +2

      Ozito don't have one yet.

    • Wip3out on 17/09/2025 - 15:46

      The previous commenter that deleted his post didn't know what he was talking about, suggesting this

      Which you'd need to connect to a 12V car battery or something similar.

      • BestTechAdvisor on 17/09/2025 - 16:29
        +1

        Actually, I was talking about this.

        I just forgot that I bought it online after looking at this at Bunnings (USB but not 240v inverter).

        If you want a 12V inverter then I wouldn't bother with the Ozito one, I'd just go straight to Kings (or RedArc if you like spending money).

  • CoolHwip74 on 17/09/2025 - 16:07

    I can't think of a useful use case for the inverter. Camping? Everything is powered by batteries, power banks or gas (kettle, cooking). I would love to plug in an electric kettle into this inverter to save setting up a gas cooker but this inverter is too weak.

    Charging your phone from this? Why not plug into a USB power bank that takes up less space.

    The only use case I can think of is if you have a wired security camera. You could plug it into this inverter to make it wireless + battery will last way longer (I think?) than a dedicated wireless camera with battery pack.

    • dav3 on 17/09/2025 - 16:26

      If people are using other Ryobi kit while off grid it's helpful for keeping the batteries charged, having an emergency AC connection is potentially handy too if you don't need a full battery setup.

      • HexZyle on 18/09/2025 - 09:08

        I don't understand what the heck you could even plug into the AC port in an emergency. Any devices that can be powered by the inverter could likely just be plugged into the USB ports, and anything that can't is likely too high power draw for the inverter anyway (150VA)
        You're not plugging in anything with a motor or heating element into this thing.

  • HotPie on 17/09/2025 - 16:29

    Would this run a latop for 8 hrs. Be handy when we have power outages. I work from home.

    • McFly on 17/09/2025 - 16:41

      8 hrs?! Obviously depends on laptop/usage but more like 1-3 hrs.

      • HotPie on 17/09/2025 - 17:01

        Thankyou. Ill pass then

  • bwad on 17/09/2025 - 16:34

    Great deal but I already have the old version, 15W USB-C is useless for anything but a phone.

    • HexZyle on 18/09/2025 - 09:09
      +1

      The specs were incorrectly listed. The USB-C port is PD30W. (5x3, 9x3, 12x2.5, 20x1.5)

  • Sharesun on 17/09/2025 - 16:45
    -6

    not a bargain for me. I want 4ah battery only.

    • Nat4an on 17/09/2025 - 17:45
      +3

      Yeah, I wanted chicken nuggets?!

    • BewareOfThe Dog on 19/09/2025 - 18:18

      Handy in the case of a power failure.

  • lhou021 on 17/09/2025 - 18:27

    Just ordered another Ryobi gear without a use case for it.
    Buy now, and figure out later lol

  • Clear on 17/09/2025 - 18:42
    +3

    1 x USB-C port 15W

    It's 30W in this model. Labelled as such and my USB-C meter was pulling the same.

    • revheadgl on 17/09/2025 - 19:35

      I got the 15W spec from the manual, it says 5v 3 amp on usb-c. Obviously it is wrong. Will change the description.

      • Clear on 17/09/2025 - 19:38
        +1

        Ah makes sense. I'm glad they updated this model.

        • revheadgl on 17/09/2025 - 19:43

          Agree, 15w these days is pretty poor I reckon. Haven't got mine yet, but probably wouldn't have spotted it anyway, so good pick up:)

        • revheadgl on 19/09/2025 - 14:55

          Hi, have you by chance tried a laptop charger on the 240v outlet? Or know if it's safe?

          I bought the kit mainly for the battery and USB wall charger and deciding whether to sell off the inverter.
          I don't know enough about modified sine wave inverters to try it in case of risk of damage to the laptop charger.

          Did a bit of research, but could not find anything definitive enough to be sure about it.

          TIA. Cheers

          Edit; my charger is 65W.

          • Clear on 19/09/2025 - 15:07
            +2

            @revheadgl: You're not going to fry your laptop with this. Most laptop chargers are like 65-90W. Modified sine wave isn't a clean but it'll still work fine.

            I just charge my MacBook via USB C 😉

            • revheadgl on 19/09/2025 - 15:12

              @Clear: Thanks for your input. Much appreciated. Will try it out then.

              My reason for asking is I will soon be moving to regional NQ where power security isn't always guaranteed. And though it might be worth keeping.

            • cobknob on 01/10/2025 - 00:55

              @Clear: Would you use a surge protection plug with this device?

    • JaymeRyan on 18/09/2025 - 08:35
      +2

      Here is the manual for just the inverter. There is a range of outputs for both the USB type A and Type C. I have listed both ouput ranges based on the manual. I have the full kit and was able to measure (using my USB meter) the Voltage and Amperes outputs to my laptop using the USB - C cable. The maximum output was 18VDC and 1.5A. You can calculate the duration of the battery/inverter using AI and inputing the measured values.

      My use case is for working from home to power my work laptop and charge the battery for a full days work, during a black out. My laptop battery last 2 hours and the Ryobi 4 AH battery last about 2hours (estimating inefficiency at 10-20%). I have multiple Ryobi batteries (4 AH and over) at home.

      USB Type-A output 5 V d.c / 3 A
      9 V d.c / 2 A
      12 V d.c / 1.5 A
      USB Type-C output 5 V d.c. / 3 A
      9 V d.c. / 3 A
      12 V d.c. / 2.5 A
      20 V d.c. / 1.5 A

      Source
      https://www.bunnings.com.au/ryobi-18v-one-150w-inverter-and-…

      • revheadgl on 19/09/2025 - 12:41
        +1

        I initially posted the specs from that same manual which I linked to in the OP. I just received mine and it does indeed have USB-C PD 30W printed next to the port as user Clear pointed out above.

        My understanding of that is it should in theory be able to supply;

        5V at 6A
        9V at 3.3 A
        12v at 2.5A
        20V at 1.5A

        Your measurements work out at 27watts, so my guess is the manual has a misprint for the 5V output.

        Pic of the port. https://files.ozbargain.com.au/upload/309005/124117/ryobi_in…

        • HexZyle on 20/09/2025 - 03:35

          Not a misprint. USB-C PD ports are only required to support a minimum of 3A, and may support a maximum of 5A.

          Manufacturers wouldn't bother supporting higher amps on on cheap 30W low power ports like this one that would only be able to run 5A when the voltage is piddly. It's more for your 60-240W ports. Hence why the 5V and 9V outputs are both capped at 3A.

  • BewareOfThe Dog on 17/09/2025 - 19:14

    I'll buy 2 units tomorrow, and take the standalone I have back (thanks to a surge via the USB Port - Shh. )

  • porterble on 17/09/2025 - 19:22
    +3

    I have the old version of this, it has somewhat limited functionality, but I got it to run a smoker thermostat/fan setup. Also found it to be useful in a pinch for running a milk pump while camping to stave off mastitis, and charging Canon camera batteries for starry sky time lapses.

    • BewareOfThe Dog on 19/09/2025 - 16:59

      I'll be taking the old unit back tomorrow. It's about to be zapped. ;)

  • JaymeRyan on 17/09/2025 - 21:00
    +1

    I purchased this package as back up power supply for my laptop and NBN router. Haven't experienced a black out yet since purchase but was able to recharge my laptop at the inverter's maximum USB-C capacity of 18VDC and 1.5A.

    • BewareOfThe Dog on 19/09/2025 - 17:03

      I use the old one to charge my Macbook, Phone, Tablet in the backyard near the pool etc.

  • Lord Ra on 17/09/2025 - 22:58

    Part of the OnePass deal

    What deal op?

      • Lord Ra on 18/09/2025 - 13:09

        Ah okay.
        So 10x Flybuys points on eligible Click & Collect and In-store purchases for bunnings, nice.
        Thanks!

        • revheadgl on 18/09/2025 - 17:35

          Plus the few items that are on sale from the various stores included. Also Officeworks are doing 15X points for instore, C/C and online.

  • simmo10 on 18/09/2025 - 08:33
    -1

    The photos in the promotion of this topper show powering a projector and charging a laptop, neither of which would be possible by the limitations descibed by the members here. False advertising???

    • Clear on 18/09/2025 - 08:51

      Both possible. Plenty of power to charge a laptop (not for ages) and you can get low power projectors. Even 12V for camping.

  • HexZyle on 18/09/2025 - 09:18
    +3

    I own the 120W Power Source, and this inverter seems like a downgrade. It does appear to be a slight upgrade from the Compact Power Source ($39) with the Inverter's USB ports both having doubled wattage, given this is on sale with the battery ($75 for a 4Ah battery is average during deals, putting the inverter at $44, and then you get the charger and USB-C cable as freebies)

    If you have a perfect use-case for the wall socket (or don't yet have either of the Power Sources) and want another 4Ah I can see this being quite a good deal, but without both of those conditions I can't justify getting it.

    • HexZyle on 20/09/2025 - 03:46
      +1

      I rescind my criticism. I just noticed this inverter IS REVERSIBLE, doubling as a charger for the battery, allowing you to charge ryobi batteries with the provided wall charger. So it's effectively additionally a "4Ah ryobi battery + charger" pack. That's a lot of versatility and I may just pick one of these up.

      • HexZyle on 20/09/2025 - 11:23
        +1

        After buying this, another thing I had glossed over as a "freebie" was the wall adapter because the $119 package listing doesn't contain a downloadable manual. (where I was reading specs) It's not just an el cheapo low watt wall charger (typically 20W or 30W for a $20 wall adapter), it's a USB-A 18W + USB-C 65W adapter. You could use this to charge your laptop at 60W with the included cord (cord max rating is 3A).

  • silenthillrocks on 18/09/2025 - 15:26

    Can this charge tsla?

    • McFly on 18/09/2025 - 22:08
      +3

      Of course, should give you at least 1,000kms.

      • BewareOfThe Dog on 19/09/2025 - 17:00

        Don't you mean mm's? ;)

        • McFly on 21/09/2025 - 20:46

          Oh, you're right.
          Also, wait till that baby hits 141600000mmph!

  • Dark Zeus on 19/09/2025 - 20:57

    Hi, if I purchase it, how do I recharge ryobi battery? I do not have ryobi charger.

    • HexZyle on 20/09/2025 - 03:51
      +1

      The inverter itself can be used to charge the attached battery using the included USB-C to C cable and wall to USB-C adapter

  • cobknob on 20/09/2025 - 16:33
    +1

    So what good use cases are there for around the house and indoors. What I've got so far are for devices, laptops, maybe a fan for a few hours possibly depending on power usage. In blackouts these might be great. And vs a powerbank? 10,000mah. Maybe some electrical wiz could give the mah equivalent for this battery.

    Any ideas 💡 would be appreciated or recommendations on alternatives.

    • HexZyle on 20/09/2025 - 18:21
      +3

      The battery already gives you its Ampere-hour rating: 4Ah = 4000mAh. But this only tells you how long the battery can sustain a particular current, not the total energy contained in the battery, which is measured in Watt-hours.

      4Ah Ryobi batteries are 72Wh power banks because they can output 18 Volts for 4Ah. (e.g. 18V at 1A for 4 hours, or 18V at 4A for 1 hour) Just remember that Volts x Amps = Watts

      If you look at your power bank's fine print for what it can ouput, that'll give you an idea of its capacity in Watt-hours. I have a little one here that says "USB-A output: 5V/2A, Capacity: 5000mAh" so that can provide 5V for 5Ah (So in practice it would output 5V at 2A for 2.5 hours), or 25Wh. A rough rule of thumb for measuring battery capacity is how heavy they are. They're pretty closely related.

      I just tried connecting a little 32" Kogan LED TV up to an energy meter and running it on this thing and it was pulling just under 20W. With a capacity of 72Wh, the battery would run it for 3.6 hours (not factoring in energy inefficiencies which is probably something around 10-20% loss)

      It could probably power a laptop for a couple hours. I tried plugging in a mini pc and its power brick pulls 8W at idle so I'm confident I could use it for that in a pinch (I probably wouldn't game on it though because I've seen the draw spike to 90W and that would drain the battery fast)

      If you have low power gear specifically for camping like a 12V fridge, that would work fine.

      I own the Ryobi hybrid fan already so I won't be using this for cooling. Fans vary greatly in power draw between models and between speeds so it's hard to find out how long this would power a fan without specs.

      A use-case another user in the thread brought up is charging devices that have proprietary charging cables so can't use the USB-A or C ports, like a camera, or a 3DS.

      A unique advantage of this tool is it will charge Ryobi batteries from a USB-C cable, so if you have a USB car charger, and are in the Ryobi ecosystem, you can charge up a battery as you drive.

      • cobknob on 22/09/2025 - 00:22

        Thanks 👍

        A use-case another user in the thread brought up is charging devices that have proprietary charging cables so can't use the USB-A or C ports, like a camera, or a 3DS.

        This is what appealed to me the most - devices with proprietary cables. For me it's useful during blackouts for modems too.

        From the Bunnings description:
        Connect a ONE+ battery to use the Battery Topper Inverter’s 230V outlet as a portable power source. Use it to power appliances rated under 150W, including fans, 12V fridges, lights, TVs and modems. Two USB-A charging outlets on the Battery Topper can power and top up smaller electrical devices including tablets and smartphones.

        A solar panel (not included) with a USB port can also be used to power the Inverter and Charger to start replenishing ONE+ batteries.

        As someone who doesn't have panels on the roof this is great to hear👌

      • Eatoff on 22/09/2025 - 09:44
        • A unique advantage of this tool is it will charge Ryobi batteries from a USB-C cable, so if you have a USB car charger, and are in the Ryobi ecosystem, you can charge up a battery as you drive.

        Any idea how many amps it charges at? You've clearly picked one up and done some testing already, I'm just about to pull the trigger

        • HexZyle on 24/09/2025 - 21:00

          I plugged it into my Anker power station and it read out something around 9V x 3A from memory, so 27W. Given the port is 30W PD output, it makes sense it's also rated the same for input. So it charges the same rate as your basic slow Ryobi AC charger.

          What's strange is they pack a 65W wall adapter with the thing, even though the port limits the charge rate. I'm curious if the wall adapter is some sort of extra stock fast charger from Ryobi's USB-C battery line? I haven't looked into that system yet.

  • swarms on 21/09/2025 - 14:11

    Doesn't seem to be in stock in most of QLD.

  • Clintz83 on 22/09/2025 - 09:38

    Trying to also see the use case as well, mainly during blackouts.
    Would this be able to power a kettle? Cheers

    • McFly on 22/09/2025 - 14:44

      Have you got a 150W kettle?
      Most are about 2000W…

    • HexZyle on 24/09/2025 - 20:53
      +1

      No. A 4Ah battery is 18V so 72Wh, which is 259,000j or 62,000cal, which can heat 826mL of water to boiling (25° to 100°) assuming perfect efficiency (you won't get anywhere near perfect efficiency). The Ozito coffee maker kit ($99) says it takes 6-8 minutes to boil one cup of coffee on battery power, so I imagine whatever you happen to jerry-rig up to this thing will have equally awful performance.

  • WasabiPeas on 23/09/2025 - 10:23

    Not sure if my inverter is faulty, but it seems to have a parasitic draw.
    Plugging the battery in on Friday, not turning the inverter on, and leaving the inverter over the weekend, the battery had dropped to one bar by Monday.
    Yesterday I tested with another new 4 amp battery, and over night it dropped from full 4 bars, to 3 bars.
    I also found I could only turn the unit on once, then off again. I had to remove battery, and insert again to be able to turn the inverter on again.

    • revheadgl on 23/09/2025 - 10:45

      Just went and checked mine and I can turn it on & off multiple times without removing the battery. Just to be sure, are you holding the power button for at least 2 seconds or so for both on and off?

      If you want I can leave a battery in mine overnight and get back to you if that helps?

      • WasabiPeas on 23/09/2025 - 11:01

        Yes. 2 seconds ON (hear short fan whirl, green light), 2 seconds OFF (green light off).
        No matter how long, or short I press the button again - nothing.
        Need to remove and reinsert battery again to turn on again.
        Confirmation that your unit can be turned on and off multiple times indicates something isn't quite right with mine. Thanks.

        • revheadgl on 23/09/2025 - 11:05

          No problem. Hopefully you can get a replacement.

  • Three on 26/09/2025 - 09:05
    +1

    All my ryobi batteries bar one from 2017 have died. Every one bought after 2020 is now dead. I'm off the ryobi wagon. I'll find some cheaper knock offs to keep the last of the tools running. Don't trust them after calling ryobi and getting a very unhelpful lady that didn't want to hear about the batteries and wouldn't replace them even though some were under three years.

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