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imuto Rechargeable 8 AA Batteries Lithium 3600mWh + Charger $37.79 + Delivery ($0 with Prime/ $59 Spend) @ shecai-au Amazon AU

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imuto Rechargeable 8 AA Batteries Lithium 3600mWh + Charger $37.79 + Delivery ($0 with Prime/ $59 Spend) @ shecai-au Amazon AUAffiliate
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dealmaker on 23/04/2025 - 14:46 amazon.com.au (2386 clicks)
Last edited 23/04/2025 - 15:19 by 1 other user
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Was looking for eneloop pro and charger for some AAs and got blown away by this one. Lithium vs NiMH (not starting the debate, but I prefer the Li-Ion especially when it can be had cheaper than Ni-MH).

8 AA batteries 3600 mWh capacity and includes the charger too. You also have the option for slighly lower capacity (black ones) 3000 mWh for $36.99 + 10% coupon if you prefer that - link

I have a high capacity power bank from imuto too, it has served me superbly on my trips with super fast charge etc, so my confidence on the brand has gone up significantly.

Check the 10% off coupon (if you see it too) and enjoy free delivery with Prime if you have that.

Imuto website has the 8 pack AAA version listed for much higher price in USD but it is not on Amazon, wanted to get that too but might have to wait a bit.

Sick of buying batteries. I know, I am late to the party.

Price History at C CamelCamelCamel.
Electrical & Electronics AA Battery Battery Battery Charger Imuto Lithium Battery Rechargeable Battery

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closed Comments

  • Kirby102 on 23/04/2025 - 14:57
    +9

    FYI: mWh (milliWatt hours) ≠ mAh (milliAmp hours)

    The equivalent in mAh of this (based on 1.5V on the listing) is 2,400mAh. But it also mentions it in the spec table.

    • eug on 23/04/2025 - 15:05
      +11

      I wish all batteries used mWh. It'd be a lot easier to compare capacity.

      • littlesoldier on 23/04/2025 - 15:26

        I think eneloop is printed in mAh? And isn't AA batteries usually calculate in 1.2V instead of 1.5V?

        • eug on 23/04/2025 - 15:36
          +2

          And isn't AA batteries usually calculate in 1.2V instead of 1.5V?

          Alkaline AAs are 1.5V, NiMH 1.2V. That's why it's not straightforward comparing an alkaline's mAh to NiMH. And that's even before we get into capacity vs current draw…

        • coxymla on 23/04/2025 - 15:36
          +3

          That's why mWh would be better if everyone used it. 2400 mAh @ 1.5 V is more than 2400 mAh @ 1.2 V

          • MasterScythe on 23/04/2025 - 15:51
            +2

            @coxymla: Catch 22, is that a lot of devices are regulating that voltage lower.
            So if the rest is being wasted as heat by a crappy, but common, linear regulator, then 2400mAh is 2400mAh, whether 1.5 or 1.2v.

            I personally would prefer mAh on everything, because I know what voltages my devices need (because I tear everything i own down :P), but your argument is also very valid.

            tldr; consumers, pay attention, and VxA=W is some math you should always keep in mind.

            • eug on 24/04/2025 - 10:44

              @MasterScythe:

              tldr; consumers, pay attention, and VxA=W is some math you should always keep in mind.

              Some manufacturers also play the V game. 12V power tools used to be 10.8V until they realised bigger number better. Some have started labelling 18V as 20V too. Sigh.

      • bcYield on 23/04/2025 - 18:46

        They all should state both V and A for peace of mind. Not hard for them to do it.

        • eug on 23/04/2025 - 18:48

          That's what they do now.

          • bcYield on 23/04/2025 - 18:54

            @eug: Clearly listed on the battery body. Good one.

  • MR MR on 23/04/2025 - 14:59

    Looking at similar from PaleBlue, do they do AAA?

    • techno2000 on 23/04/2025 - 15:09
      +1

      So far only Xtar AAA are available on Amazon Au

      • FoxJump on 23/04/2025 - 17:33

        and those suck
        1.9v when full

  • techno2000 on 23/04/2025 - 15:01
    +7

    I have gone deep down the rabbit hole on Lithium 1.5V rechargeables.

    The well known brand name Xtar is expensive at almost double the price but possibly much better quality and has various types including with inbuilt usb c ports.

    Apart from Imuto, other cheapies but dubious quality are below.

    MIADY
    https://www.amazon.com.au/Miady-Rechargeable-Batteries-Capac…
    https://www.amazon.com.au/Miady-Rechargeable-Batteries-Lithi…

    SANPIMA
    https://www.amazon.com.au/Rechargeable-Batteries-Capacity-Co…

  • smartialarts on 23/04/2025 - 15:07

    Kind of a turn off that max cb on this is 0.3% via TCB… Not OP's fault tho so take my upvote

  • Jimothy Wongingtons on 23/04/2025 - 15:15
    +3

    These vs eneloops? My og eneloop 4 port slow charger from back in the day has finally died on one side so now need a new charger, most of my eneloops are from like 2015 era or earlier so thinking for the money this kind of seems like a no brainer?

    edit: ordered a set to test anyway seems really cheap

    • rumblytangara on 23/04/2025 - 15:48
      +1

      NiMH aka dumb slow chargers are not a good idea. They will tend to overcharge your cells unless you start from totally flat.

    • Sleepycat3 on 23/04/2025 - 16:17
      +1

      Both different. Eneloops are 1.2V, these are 1.5V. For low drain devices, both are similar. For high drain, I expect Eneloops to be better, although 1st Eneloops would be so old by now that they would have higher internal resistance compared to new.

      The thing I like about these 1.5V lithium ion batteries is that it can power devices that need 1.5V and can't run on 1.2V. However, as they are little LiPo packs inside an AA shell, you need to accept that these batteries will stop working in 2-3 years, unlike Eneloops. I still use my 1st gen Eneloops which I bought in 2007.

      • Jimothy Wongingtons on 23/04/2025 - 17:00

        Cheers I’ll be using it for some of my old Nikon flashes and new Sony flash triggers

        • eug on 23/04/2025 - 17:08
          +3

          You definitely want to stick with NiMH for the flashes. These won't be able to put out enough current for big flashes. The triggers would be fine but these will have higher self-discharge than LSD NiMH.

          • Jimothy Wongingtons on 23/04/2025 - 17:14

            @eug: Thanks cancelled and will look for a new charger for my eneloops

            • outlander on 23/04/2025 - 21:09
              +1

              @Jimothy Wongingtons: The liitokala is pretty good for a basic charger. It's been on ozbargain a few times.

              I'm in the same situation where it's starting to feel like eneloops are dated, but I don't know what to replace them with. But I think that's just a habbit I've got into, thinking I need to upgrade every 5,10 years.

              I don't have any eneloops that old (didn't even realize they made them back then!) but I've run capacity tests on the ones I got in 2010, and they are still performing at 90-95%

      • Nom on 23/04/2025 - 21:45

        The thing I like about these 1.5V lithium ion batteries is that it can power devices that need 1.5V and can't run on 1.2V

        This is an issue that 99% of OzBargainers will never see - there are very few categories of device that genuinely need a 1.5v battery.

        Eneloops are absolutely fine for just about everything.

        • MonkDog on 24/04/2025 - 07:40

          I've got an Ikea wall clock that won't run with Eneloops. Or even Laddas… ;) I had to buy some alkalines for that. Made me feel dirty.

  • firefly2k3 on 23/04/2025 - 15:22

    Can the charger detect and charge 1.2v NiMH also? Or only 1.5v Li-Ion?

  • Tock on 23/04/2025 - 15:34
    +10

    I dream of a day that Ladda AAA is back in stock.

    • techno2000 on 25/04/2025 - 16:30

      Me too. Ladda AAA was only $8 for a 4 pack.
      At $2 per cell,it was still worth putting it in a Remote Control compared to 50 cents for an alkaline.

      These Lithium 1.5V rechargeable AAA at $6 per cell are not cost effective in Remotes. And then there is also issue of higher self discharge because of the electronic chip running 24/7

  • FujinShu on 23/04/2025 - 15:51

    Can this be used in GBAs?

    • rumblytangara on 28/04/2025 - 18:14

      "The Greater Bay Area in China relies on a mix of power sources, including coal, gas, nuclear, and renewable energy. The area is also exploring geothermal energy and expanding its renewable energy capacity through wind farms and energy storage facilities."

      So a bunch of AA cells isn't really going to cut it when it comes to running massive factory estates.

  • OzHan on 23/04/2025 - 15:59
    +1

    Without a BMS, How does it prevent over discharged which is detrimental to lithium batteries?

    • techno2000 on 23/04/2025 - 16:02
      +4

      Check the in depth review of Xtar AA by Gough Lui.

      https://goughlui.com/2024/08/28/mega-review-xtar-4150mwh-250…

      • outlander on 23/04/2025 - 21:03
        +1

        That guy is awesome. Life would be so much easier if there was a page like his for every product you can find online

        • eug on 23/04/2025 - 21:07
          +1

          He's actually here too! @luigough

          • luigough on 24/04/2025 - 10:31
            +4

            @eug: Indeed I am :). Glad you found it useful, happy to answer questions from personal experience if there's something I've missed.

            • coxymla on 26/04/2025 - 11:42
              +1

              @luigough: I love your blog!
              Thanks very much for all your fine efforts documenting this, and other stuff.

    • eug on 23/04/2025 - 16:27
      +1

      LiPo cells are ~3.6V, there is a circuit inside the cells that steps it down to 1.5V and handles the cell protection.

    • Sleepycat3 on 23/04/2025 - 16:29

      It has a battery protection circuit which shuts off once the internal battery's voltage is reduced below the preset level (I think it is 3.25V & 3.35V depending on the current draw, based on the XTAR review).

  • anthman on 23/04/2025 - 16:03

    Looked at these when xtar went on sale. I think there is an issuewith the charger - read the reviews

    • Sleepycat3 on 23/04/2025 - 16:36

      The charger works fine. The battery charge state can be based on luck. Out of the 8 batteries, I had 1 which outputted 0V. I put it in the charger on its own for a few hours and eventually it came back to life and started behaving normally.

  • andresampras on 23/04/2025 - 16:04

    Shows $41.99 for me now

  • bcYield on 23/04/2025 - 18:51

    Looks like a game changer to the traditional charger. I just need the charger box on the cheap. No rush for me.

  • pao2x on 23/04/2025 - 19:03
    +1

    I found an Imuto 4AA 4AAA in aliexpress

    https://www.aliexpress.com/item/1005008673506029.html?spm=a2…

  • microsnot on 23/04/2025 - 21:15

    I always find the mWh ratings on these to be confusing. Do you calculate the mAh using the regulated 1.5v or the nominal 3.7v of lithium cells?

    2,533mAh or 1,027mAh.

    I assume it is 1.5v but then power banks quote mAh rating at 3.7v instead of 5v.

  • techno2000 on 28/04/2025 - 21:01

    An update.I got the Sanpima AA 3000 mwh 4 pack for cheap $12.79

    It appears to be the same as the Imuto ones.

    Also I was able to charge it successfully using Xtar LC4 and Xtar VX4 charger.

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