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VoltX LiFePO4 Lithium Battery 12V 100Ah $289 Delivered @ Toughland via Everyday Market

970

Edit: Removed from heading, but read below to get it for effective $159.
Woolworths Marketplace has a really great deal on this battery. Good ratings. Has 5 year warranty. "On special" elsewhere for $649. Aldi had it for mid $400s a few months ago.

Everyday Rewards gives 5,000 bonus points (total 5,870, worth $29).

Already a great price, what makes this a steal is the TopCashback deal of 35% (ends midnight tonight). Cashback is calculated on GST inclusive price.
https://www.ozbargain.com.au/node/865702

That gives $101.15. My purchase tracked in 32 minutes.

$289 less $29 Everday Rewards value and $101 cash back makes the effective price just under $159. If not using TopCashback, there is a $10 coupon for first time Marketplace buyers. Don't use that coupon if using TopCashback because it will probably invalidate the deal.

Specs for the battery show maximum 100 Amp discharge rate (200 amps for seconds).
Voltx link here.
https://voltx.com.au/products/voltx-12v-100ah

Another good deal on Marketplace is a budget Devanti 90cm induction cooktop for $445.95 (not the best price around). But with today's cashback deal it effectively becomes $290.
https://www.woolworths.com.au/shop/productdetails/1074290215…

Related Stores

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closed Comments

  • can this used in an EV as the startup battery?

    • You mean EV Aux battery…not sure.
      I have mine rigged to a 12v inverter, and sometimes pull 200 amps continuous (making a coffee). It wouldn't be able to do that.
      But if its just the stereo, internal lights, BMU etc .. should work.

      But I guess there is a reason why they put SLAs in there and not lithium ?

      • Yep, penny pinching. SLAs are cheaper, or at least were until very recently.

        Neverthless I believe Tesla switched to Lithium a while ago, because swapping over SLAs that die during warranty is not cheap either. A dead 12V battery is probably the most common reason an EV needs roadside assistance.

        Only a matter of time before other makes follow.

        • Hmm..wonder if you can straight swap it. The thing is charged via a DC to DC converter, so should be easy enough to tweak voltages.
          Are these things 3 cells * 4.1v to make 12v?

          Or 4 cells and go above 12v when fully charged?

          • @tunzafun001: These are 4 x 3.6V. LFP. The BMS should protect from over-voltage.

            I just measured: too big to be a drop-in replacement. I'll have to look if a 50Ah or 70Ah comes on special some day.

            • @team teri: They use 4S lithium ion pouch cells, so not LFP.

              • @Sleepycat3: These are prismatic LiFePO4 cells. LFP. And not pouch.

                4S of a different chemistry would give you way too much voltage to be used as a 12V.

          • @tunzafun001: The 12V lead acid Tesla's come in a size similar to that of a 2006 Honda Civic, which is NS60. The newer 16V which use 4S LiPO packs, are proprietary,

    • Most likely not just due to size

    • I ordered one and will let you know when it arrives. I don't see why not if the size fits.

      If not, I've got a good alternative use for it anyway.

  • +6

    Err startup battery in an EV? What would it be starting?

    It is 12 volts and 100 amps discharge rate, designed for RV usage for fridges, lights, etc, not huge current draws. Not suitable for starting vehicle ICE engines.

    • +7

      The main EV battery (high voltage) is usually disconnected for safety reasons when an EV is not 'running'.

      A 12V batter is used to start up the electronics and switch the contactor that brings the main battery online. Then a DC-DC converter is used to top up the 12V from the high voltage battery and to supply loads like lights, AC, radio.

      I reckon, unless the car is stupid enough to start up the AC before connecting the HV battery, the current draw from the 12V battery should never exceed 20 or 30A.

    • Rated 200A for 5s

      A starter motor is 60-200A, so it is with in rating to jump start.

      The problem is more charging - lithium batteries don't like being overcharged or constantly on charge 24/7 via an alternator, so you would have issues there. At best it reduces battery life, at worst… Kaboom.

      P.S. 100Ah is the capacity, ie 12.8v * 100Ah = 1280Wh.

      • They're also not suited to high temp conditions.

        • That too

    • What would it be starting?

      Fire.

  • Are there any budget inverters that can by used with these for 240v?

    • +2

      Check out Giandel inverters, fairly well reviewed for a cheapie I believe.

      • They look good.
        Any ideas of there is anything on the market to both charge and discharge from 240v, e.g. like a UPS

        • And some on ebay even have 25% off if paying via afterpay. They are good units designed in AU.

        • +1

          I have the 600w giandel sine inverter and it's been good so far (obviously light duty stuff).

          I also have renogys 3000w sine inverter but haven't tested much yet. It has ups function (though switch over time quite slow, around 50ms from memory so maybe not suitable for computer gear) but no charging.

          They do have one with charging and ups function, was a bit pricey for what I wanted at the time, around $700 or $800 so no idea what it's like.

      • +1

        Thanks. Just got a 1200/2400w pure sine for $99 from ebay. Used the apay25 code. should be good for this battery. Not gonna run microwave and such. Just small fridge.
        https://www.ebay.com.au/itm/252097886923?mkcid=16&mkevt=1&mk…

        • +1

          It's not a 12 volt fridge? You can't run it off the battery directly somehow, without the inverter?

          • +1

            @HappyPants: Nah, 240v as emergency. Got battery box so that can run if I do go with a 12v fridge. See jaycar having their normal brass monkey fridges for sale.

    • +1

      At 100amps, you would probably want two to take it to 24v. Then you have 2400 watts to play with. 1200w is a little limiting. Ie.coffee/ kettles/ hair dryers are generally 1200 - 2400 watts.

      • +1

        Yea. Was dreaming of a few of these and making my server rack “green” charge from 240v when solar was in excess and then running off battery overnight.

        • +3

          Should work. Just don't burn your house down to save $5…

          I got my inverter from Kogan (used the credit card sign up credit). Way exceeded my expectations. 2500w - 5000w max

          Ran building AC power tools off it all day. Never missed a beat.

          *Make sure you get a pure sine wave inverter.

      • +3

        The ad states up to 6 parallel and 6 series connections. This brings up alarm bells to me…. most cheap lithiums state no series connections.
        The relevance is (I believe) in the voltage rating of BMS components. One battery alone only needs a bit over 24 volts rating on components… but 6 in series is a bit different.

        I talk about the problems of series connection lithiums a bit ruefully… I bought 4x12v lithiums that had been advertised as connectable up to 4 in series, for use as a 48v battery bank (supposedly good brand batteries at north of $500 each) . Overall it has not been a good purchase…. while individual battery cells probably remained in balance, different batteries went wildly out of balance. The ramifications were if I tried to charge at a reasonable voltage, some (differing) batteries went very high voltage, others being low. They chopped and changed like ants on fire. It was very hands on at the charge voltage, before one finally crapped itself….and I'm talking about trying to charge @ 4x14.3V = 57.2V, when they were supposed to be able to charge at 14.6V.

        • +1

          Interesting..but I can see how it would go belly up if there is no way to keep them balanced across packs.
          We have home solar batteries..and they need to be within 1% of each other at all times.

          • @tunzafun001: nodsnods
            to run as a battery bank, I reckon the pragmatic option is to gut all the batteries, put the cells in a common container, and run a 16s BMS… and in a deal like this, where cells are probably seconds…. to have a few fat amps of active balancing as a BMS feature.

        • +2

          In one of the videos I linked the bloke couldn't even get one battery to balance after charging. Given the variable and unknown quality of the cells you might get two good ones and you might be lucky with the BMS amanging two in series but probability is that one, or both, will deteriorate pretty quickly. To avoid disappointment the low price should be accompanied by low expectations.

  • would this be a legit product? at $289, it is almost "too-good-to-be-true"

    • +1

      more in market at similar price point: https://www.ozbargain.com.au/node/865782

      • those have always been under/around $200 because they are lower quality (but still good for the price) pouch batteries

        VoltX batteries are usually around $400 and are regarded to be higher quality

        • More like $300, with sometimes $250 and a few times around $238.

          This price is super low, maybe even a mistake by seller.

          The quality is similar to the Voltax, some people even say pouch cells can have better performace

          in some areas.

    • +2

      VoltX get decent reviews. They don't say what quality the prismatic cells are - probably low grade or failed to meet A grade spec- but with a "5 yr warranty" at this price possibly doesn't matter for recreational use.

      This review trashes their BMS balancing. https://www.facebook.com/alloffroadau/videos/new-2022-voltx-… His teardown showed a battery (BMS) failure, can't find any update: https://www.youtube.com/watch?v=XOSnaGev07E

      Voltx's website is threadbare. Anyone bought one of their LFPs? If so did it arrive with details of the 5 year warranty? Pro-rata? Replacement with equivalent product?

  • Nice, been looking for a pair of these to run in series to power my house during power outages

    These actually state they can be run in series whereas the ones in the other deal don't recommend it.

    • wouldn't you need 20 of these in series?

      • +2

        I have a 24v victron multiplus inverter

        • +7

          That sounds like something which would really put Springfield on the map.

  • +3

    Even better at $159 (read the text). I did have that in the title but apparently not wanted.

    It scores good reviews if you look around. I ordered one last Friday. It arrived yesterday and looks good. Based on its quality look but mainly the cashback deal I ordered a second one.

    • Do you happen to know if these use pouch cells, like the Gentrax?

      • The description states prismatic cells.

        • +2

          Oh thank you, and my apologies for being lazy. I didn't see it. Thanks!

    • Did it come with warranty information?

      Even on the VoltX website there is some confusion, at the top they say 3 years, in the specs they say 5 years. When I last looked (many moons ago), only the Pro had 5 years.

      • +1

        The only paperwork in the box was the manual. No warranty mentioned in that or separate leaflet.

        The Marketplace listing only shows 5 years, so I have taken a snapshot of that to keep.

  • +2

    Reputable "cheaper" brand, prismatic cells and <$200 delivered. Great deal!

    • +2

      The teardown I linked above showed no cell info at all - dates, QR codes etc. Price reflects that. "5 yr warranty" is your fallback for a low quality BMS and cells.

  • My golf cart takes 4 * 100amp Trojan batteries. A lithium upgrade for it is almost $3000, reckon 4 of these would work?

    • Should do

      Are they 12v batteries in there at the moment?

      • Yes, 4 of them

    • +1

      In series? The BMS is probably not up to balancing batteries in series. Best to contact VoltX.

    • I have 36v cart and my Trojans are all but dead. Bought 12 grade A prismatic cells and bums from china and all some extra bits and pieces and going to cost me around $1100 for a 36v lithium 105ah

      All research I have done said don’t do multiple batteries in series. The BMS’s don’t talk well to each other and end up having problems

  • Does anyone have any guide to setup a solar panel, battery and inverter in a shed?

    • +2

      Plenty on YouTube
      If you want a basic guide send me a message and I can talk you through it, pretty easy for a simple setup

      • Thanks mate. Could you suggest a specific youtube link?

  • +5

    Being picky, the sellers description is quite creative, lol

    It's designed to last for up to 4000 life cycles and provides 100% of capacity for maximum output with every use

    Not a hope in hell of getting 100% of capacity at anywhere near 4000 cycles like they imply….

    The durable aluminium casing ensures durability and houses prismatic cells
    Durable aluminium casing

    The prismatic cells have a thin aluminium casing and they're housed in a plastic outer battery case….

    • +1

      Not to mention the "6 batteries in series" from the ad. I bet individual battery balance in a battery bank would vary wildly…. even if you regularly top charge them separately.

    • +2

      Yep, check out Phil's teardown here: https://www.youtube.com/watch?v=XOSnaGev07E

      He's previously mentioned on FB that cell balancing on VoltX Plus can be problematic beyond 80% DoD (so every charge will effectively reduce the life of cells not getting fully charged), but each battery probably differs because if the low grade cells used and you might get a good one (his video -above - of the basic 100Ah surpridingly came with perfectly balanced cells).

  • Hmm wonder if these would be work on my caravan

    • +1

      That is a very common purpose and the reason for my purchase. 100 amp maximum discharge rate (common for lithiums) will run fridges, lights, pumps, etc but not a microwave or portable electric stove or other high current draw appliances. Two batteries would solve most of those.

      • My van is getting built now and planned to replace the standard X2 100ah batteries with two kings 200ah lithium.

        However ive just seen the other ebay deal, think ill grab two of them.

        • I've got two of their 300Ah batteries in our caravan, been happily running for just shy of 4 years now. Happily powers our 3000W inverter to run the aircon etc if we ever want to,

    • They'll work on a pushbike with some creative mounting/cabling.

  • Have one of these from an earlier deal, would recommend - great for the price.

    • What charger go well with it?

      • +2

        I use mine for a dual battery setup and use a Kickass DCDC charger

        • +1

          Got a kickass 8 stage 20A Not lithium but would it work or need a new charger. Or what setting battery on charger? I know not ideal but would it work?

          • @Mikael: Better get a lithium compat. dc dc charger.

            • +1

              @ozhunter68: Thanks. Might look at getting one. Just ordered solar controller to be able to charge it using 100w solar blanket.

              • @Mikael: Unless you need to fit it under bonnet where you need high temperature and water resistance,

                or will be heavily relying 365 days of year on it to run gear, or just want the best brands,

                you can easily get away with using a cheaper brand. I used to run a Redarc in my van

                for over 2 years 24/7 without a hick up, but now my Dune/Annacondo charger is doing

                the same for last 6 months, and has pretty good reviews too. I would even be tempted

                to use one of the cheap ebay ones like Mobi or Atempower as I had a LiPo4 battery

                from Atem Power which worked awesome for over 2 years also.

                Just my 2 c worth.

                • +1

                  @ozhunter68: Must've missed the.message. got a victron 12v/30A from eBay using various codes, just ordered today. Also got a victron smart shunt 500a that I installed today. Got a second cheapie 100ah lifepo4 battery with identical specs. Not voltx but cannot see any issues connecting them together. Gonna test it first though. Initially got another cheap charger but just so so slow and didn't want to take it up far enough. The solar blanket actually worked fine using a cheap mppt charger. Testing all out before taking family camping. Or "glamping". Just wish the 1200/2400 giandel inverter that's coming soon runs the coffee machine but doubt it after reading reviews. 1500w machine. Need our coffee.

                  • @Mikael: Sounds you are building up a nice system, adding more capacity, chargers and managability

                    with the smart shunt. I also found that using cheap solar charger, even an older PWM model

                    (but with a LiPo4 battery profile capability), and people reviewing these on Youtube seem also pretty

                    happy with performance. I hope your new Victron solar controller is a smart solar (bluetooth), as then

                    you can manually adjust battery float and/or absoption levels if you don't want your battery sitting at

                    higher voltage 100% for lengthy times (optional experimenting). Which battery have you got, the

                    great Genrax deals from Outbax ebay that have been going on Ozbargain, 100Ah I imagine? Two of

                    those (or similar) should work fine together which will also increase your Max draw current from

                    100Ah to 200Ah which is needed to get the max out of a 2000W-3000W inverer possibly later on.

                    As far as running a coffee machine on a 1200W Inverer, you will have to do your research on that as

                    I have seen some models working (on Youtube), but most would not. Maybe if that is what you really

                    want, try to swap to the 2000W Giandel as that should run most portable models. I mostly use a

                    Italian stove top coffee maker on the go on a small hiking gas burner, but also do have a small 12 V/

                    90 W portable coffee pod machine where I can put cold water in and get a decent 80ml small coffee

                    shot for rainy days and/or Sunday treats (2 shots back to back) lol. I got the Ridge Ryder from

                    Supercheap Auto on clearance and 3 months later really happy with it so far, Can even put in your

                    own ground coffee, but I use this as my easy pod option so far, will experiment with that later.

  • +1

    Tesla Powerwall 3 (13.5kWh) - $11,990
    11 of these things (14.08kWh) - $1,749 after cashback

    • -1

      yeahhh…..god no!

    • Is that legit? Legal? Feasible? Sounds waaay too good to be true.

      • +1

        Might be technically feasible, but almost certainly not legal or a good idea. I'm merely pointing out the price difference :)

    • +2

      Haha maybe if you ripped out the cells and used your own BMS

      I wouldn't trust more than two of these in series

    • Apart from the suitability, cash back is capped at $200 per person.

      • Bummer - didn't realise the cashback offer had been nerfed so hard since this morning.

      • +2

        Yeah I was keen to get 4

        Oh well two is enough for basic house backup during power outages

    • Giving Tesla some credit - they've got a 10kW hybrid inverter in there which your stack of 12V cells wouldn't. That's not over 10k in difference though.

  • 0.5c rating i guess?

  • +1

    Any good ideas for what could be done with a battery like this? I'm very electricity inept

    • second this, I bought two. No idea how im going to use them. haha

  • Now just need a pick up a good battery box with built in 240v inverter. Suggestion anyone?

    • +1

      SuperCheapAuto battery box

  • Batteries are still a bit confusing for me. Would this be ok for a small electric boat motor? E.g a minkota 28 or a watersnake?

    • I would say perfect for that. It weighs 10.8kg which is normal for that size battery. If you choose a small one, like 50 amp/hrs you may run out of range. With this you should get close to 6 hours at full speed on a Watersnake T-18. 4-5 hours on a T-24.

      • I imagine these wouldn’t be waterproof at all , right?

        • I'll house it in somthing fairly waterproof.

    • +2

      If it’s 12v, then yes. I just picked up a Kings 100Ah lithium for my Minn Kota but would have tried this at this price. Keep in mind you’re best off also getting a charger that has a lithium charging profile.

      • Awesome cheers

      • -1

        Heck no. These batteries only do 1200W. Even the smallest Minn Kota is like 1660W.

        • +3

          This is not correct. Check out the power draw charts for the various models of minn kotas - in the 12v range, the smallest draw is the 30lb @ 30amps (12 * 30 = 360w), the largest being 55lb @ 50amps (12 * 50 = 600w).

          The Watersnake t18 quoted above draws 15amps at max which is only 180w.

  • Will this be suitable to replace auxiliary (12V) battery in a hybrid car?

  • Voltx gear and their associated retailers are rubbish and should be avoided at all costs.

    Their warranty means squat.

    I’ll be posting a full tear down of their rubbish soon (with full context).

    • How's it compare to the generic batteries in the other deal from outbaxcamping

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