[SA] Duracell Optimum AA Batteries 8-Pack $6 in-Store Only @ Bunnings, Munno Para West

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A 1 on 25/03/2025 - 00:06 files.ozbargain.com.au (592 clicks)
Last edited 25/03/2025 - 00:25 by 1 other user

For all your devices not worthy of Eneloops, emergencies, or to pack with gifts for Christmas/Birthdays, or for devices which specify single use batteries, or to stockpile in the cupboard (this is the OzB way).

Spotted on clearance at Bunnings Munno Para West, SA, likely to be this store only, at least 40 packs left at closing time after I bought a heap. Ticket says AAA but the AA packs scan at the same price, stock is located on a clearance cage near the click and collect desk at the front of the store. Recommend to get in early if you want to snap some up.

Can't find the bunnings regular sell price but this identical product is $25 at Amazon, Coles and Catch (no stock).
12 pack is $22.85 at Amazon
4 pack is $9.98 at Amazon/Bunnings
10 pack is $17.98 at Bunnings
So this seems like a ripper deal.

Expiry date on the batteries is 2033.

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  Manny Calavera on 25/03/2025 - 10:51

  I suppose with only eight in a packet there's a fighting chance you can use them before they leak.

  • 

    A 1 on 25/03/2025 - 11:36

    -1

    Expiry date is 2033, I'm sure everyobe except the most frugal of us could manage to use 1 AA battery per year. Duracell is high quality and generally shouldn't leak at all in storage, left inside a device for years would be a different story of course.

    • 

      0 0 0 on 25/03/2025 - 15:10

      +1

      Duracell = Duraleak.
      They haven't been high quality for at least 20 yrs

      • 

        parad0x on 06/04/2025 - 21:19

        Same could be said about the entry range of every manufacturer. However, the storage failure of batteries is much more to do with the manner they're stored than their duration. I can make craftrights survive 10yrs of storage without leaking, but I can't guarantee their voltage remain ng usable -though it will be higher than a leak, a d wj provide a voltage.

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  0 0 0 on 25/03/2025 - 15:10

  This is also on sale at my local Bunnings - Doncaster VIC

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    A 1 on 25/03/2025 - 16:42

    Cheers, same price?

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  USER DC on 25/03/2025 - 18:10

  Do yourself a favour and buy rechargable AA instead, pa K of 4 would only be like $5-8 more only

  • 

    A 1 on 25/03/2025 - 18:27

    Like I said in the original deal, agree that Eneloops (or rechargeables) are the go for most situations, however it is handy to have a few of these for backup as well.

    • 

      parad0x on 06/04/2025 - 21:28

      Eneloops are the LEAST cost effective option available. I'd buy a 100pk of Tae Kwon.Doops before Eneloop.

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    parad0x on 06/04/2025 - 21:26

    Add another $8 at least and you might reach a 4pk…. And there's many use cases where rechargeable batteries are far less efficient.

    People always neglect to factor cost of recharge into the cost of owning rechargeable batteries. It may be small on a scale of 1 charge of 1 battery, but over the course of a year? 10's of $'s if you are a regular battery user.

    • 

      A 1 on 07/04/2025 - 00:15

      And how much (roughly) do you calculate it would cost to charge a single AA battery? Assuming $0.50/Kwh.

      • 

        parad0x on 07/04/2025 - 01:33

        Power out = power in + heat.
        1. That's an insanely high electricity price, where's that?
        2. I'm not in the habit of making estimates, but taking measurements. I think it can be said there is no denomination for the single AA battery. The ballpark is sub-cent - varying based on the depth of discharge, charger brand (its natural power draw + its charge profile bounds), battery chemistry & charging settings, by fractions on that fraction).

        But let's guesstimate, it's easy if we simply calculate the bulk of the power and that's the battery storage capacity, always measured in Wh unless you're in the business it marketing then you get to mess with people (I case you weren't aware, a 10,000mAh power bank will generally give you 60-70% of that figure output. That's because they're quoting the figure based off 3.7v lithium, powerbank outputting at 5v with the same supply, gives less Amps due to Ohms law - the relationship been voltage, current and resistance - no mention of power..
        You shouldn't measure capacity (that is Power) based on the flow (being Amps) - it's inaccurate and entirely theory never practical and it also makes battery comparisons cumbersome. Enter Watt's law - the relationship between Power, Voltage & Current. Power is what we're after so let's move onward to the easy part now the theory is done. We are billed in units of power (P, measured in Watts, W) over time (h). Therefore $=P/h
        - Average NiMH AA holds 3.8-4.2Wh of energy, call it

        P= 4Wh.

        • Convert that to our unit of billing measurement, kilo/thousand
          >P= 0.004kWh

        If your electricity is costing you

        $0.50 per unit of kWh = cost/time

        We have all our components for the final calculation

        P*cost/time > 0.004 * $0.50

        $0.002

        Or 1/500th of a dollar stored inside every AA battery!…
        Ok now the homework question is how many AA batteries did Tesla need to make Elon a millionaire?

        I really hope that was worth the two thumbed tango whilst standing at my kitchen bench on the tiles effort. My feet are frozen and the chill is coming from the inside, meanwhile my thumbs are steaming and burn and my head spinning. This is what getting old feel like, nobody told me. At least in school we kinda got prepared for the rocky road of becoming a teenager. But joking about mid-life crisys and sport cars is all the info there is!
        .
        Peace!

        • 

          parad0x on 07/04/2025 - 01:39

          @parad0x: I have to add that it takes numerous times that in order to get it In there, so it's not the final number - probably looking at around 6-8/10ths of a cent, $0.01 isn't unreasonable for the purpose of simplicity of quantification.

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  DarwinBoy on 25/03/2025 - 18:10

  I saw the same up here in Darwin.
  My local had the AAAs for $3 so grabbed 10 or so packs. Still a few of both floating around. Packaging is overkill.

  • 

    A 1 on 25/03/2025 - 18:29

    That's an insane price, $3!

    Yeah packaging is big, seems to be mostly cardboard at least which is good. The size is probably partly marketing (larger pack looks like better value) and anti theft (larger item to conceal).