Anker 335 Power Bank (Powercore 20000) 20W USB-C 20000mAh $55.19 + Delivery ($0 with Prime/ $59 Spend) @ Anker via Amazon AU

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this looks like the newer version of these https://www.ozbargain.com.au/product/anker-a1281 which were 18w and posted a few times.

new one in this deal supports 20w max and also has 2x USB-A ports and 1x USB-C while the old one only had 1x USB-A and 1x USB-C.

I calculated mAh per dollar is better in this deal than this $71.24 deal for the 65w max 24000mAh 537 https://www.ozbargain.com.au/node/828803
(this deal 362mAh per $, vs 336mAh per $)
if you only need 20w max output this 335 is better value.
but not as good as paying $29.99 (regularly drops to this price on sale with red rext) for the Powercore 13000mAh with 12w max output which is 433mAh per $.

Original Coupon Deal

Price History at C CamelCamelCamel.

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Comments

  • I calculated mAh per dollar is better in this deal than this $71.24 deal for the 65w max 24000mAh 537 https://www.ozbargain.com.au/node/828803
    (this deal 362mAh per $, vs 336mAh per $)

    The difference is that the other one supports up to 45W and this only supports up to 20W.

    • do you mean the 537? it does 65w max you literally copy pasted what I wrote. 🙇‍♀️

      20w max of deal item is written in title and a second time in the description.

      • You're comparing your deal post (20W) with the Anker 537 which is 65W (45W+20W).

        If you're going to compare 'mAh per dollar', they should have at least the same output.

        • -1

          yes and I wrote the information both mAh per $ and max outputs. what is wrong with that?

          if you have a problem with the deal please report to moderator to have it taken down. I don't understand why people grab onto these things which I have written. do users rather I write nothing and just post with price and a couple random words? you are acting like I didn't mention the info and that I am trying to trick people when I wrote everything clearly for everyone to read.

          • +6

            @harshbdmmaster718: Dude you’re arguing with a mod

            • @BargainsGrabber: it's just annoying that it's been happening more and more often. I try to only log in and post when I have 3 or more deals I find. I do my best to keep words/links correct so less work for mods and write something helpful. but everytime there is a user who is upset that something isn't right.

              also how am I supposed to tell if a mod or not? I can't see anything different about their profile. they even have a normal default picture like a new user. maybe they should have some sort of bandana on the outline of head or something.

              • +1

                @harshbdmmaster718: It legit says

                Role Moderator

                You also can’t compare the other model you mentioned. It supports different output.

                The deal you posted won’t even make a dent to most modern laptops, and while the W is lower, nowadays I’d go for something that has a higher output

                • @BargainsGrabber: I added "if you only need 20w max output this 335 is better value."

                  I thought people would catch onto that but looks like I should have added it.

                  yes I don't know why we are talking about laptops now I didn't mention laptops at all. if you don't need the max output of 65w and only need 20w max then this 335 powerbank is good value isn't it? I even compared it to a 12w output model that I actually have so I thought it was all clear.

                  and at higher watt outputs the actual usable capacity drops even more doesn't it? making the 537 slightly more worse in mAh per $.

                  • @harshbdmmaster718: You’re somewhat incorrect mate

                    I’m a tech nerd and I like buying gadgets

                    I only mentioned laptop as people would also want to consider usability, not only just to charge your phone. Also nowadays most phones come with a higher output charging brick as that means the phones can have a higher W to them

                    • @BargainsGrabber: someone commented somewhere, at higher watts PD output more energy is lost to heat. so you get less usable mAh compared to slow charging at 5v with the same powerbank.

                      • @harshbdmmaster718: If it’s a good charger and from brands like Anker, they shouldn’t lose that much heat when charging your phone

                        I own lots of Anker products at home, and is a brand that I would recommend to others

                        • @BargainsGrabber: anyway sorry if I sound irritated.

                          I'm just going by what others said on this website. it's been happening a lot online in general, like I will mention info in a comment I read at least 5+ times on previous posts so it sounds accurate. and when I mention it I instantly get a "NOOOOO! wrong!" and my thoughts are like why didn't you correct the the last comment then??? I never claimed to be an expert in anything but just going by what I thought was useful info.

                          same with jokes and behaviour. online in general, like I see someone doing jokes of a particular kind in a thread. and when I do it "it's offensive and insensitive". like I'm just trying to be friendly and fit in guys I don't get it. 😂

                          • @harshbdmmaster718:

                            I'm just trying to be friendly and fit in guys I don't get it.

                            That’s precisely why. Jv doesn’t fit in, that’s why we love him :) Learn from the master.

                            • @frugalftw: it’s ok not a big deal.

                              just like how this deal is going. not a big deal only 3 good deal votes. 😂

                      • +1

                        @harshbdmmaster718: In some cases yes, but it's a lot more complex than that.

                        You do get less usable capacity from the actual cells at high current output. But for quality cells that are rated for the power output of the power bank, this is generally a quite small amount unless outputting 100W+.

                        Then you have the internal voltage of the power bank and the voltage conversion circuitry.

                        In general, the power bank voltage conversion will be most efficient with the smallest voltage change. So for example, the Anker 737 runs 6 3.6 cells in series, so have a 21.6V internal voltage. So will be most efficient at 20V, and least efficient at 5V. But the current also matters, and voltage conversion circuits are often most efficient at around 75% of full load.

                        A different power bank might have a 3.7V internal voltage, so be most efficient at 5V.

                        But efficiency can vary a lot depending on the actual power bank and design choices. USB-C connections are ususually lower resistance than USB-A, so less power lost to heat.

                        One of the biggest issues is manufacturers cheaping out on the cells used, and they are not actually rated for the maximum output possible, and usable capacity drops massively. That's not an issue with Anker.

                        And as an aside, yes it is perfectly reasonable (as you have done) to compare capacity for your dollars even when output is different, for those just wanting to charge a phone or other device. But the added clarification re: "if you don't need more than 20W" is also good.

                        • @Prong: thanks for the info prong.

                          just read your other comment from another post. since it seems like you review these regularly I am wondering if you can help.

                          I have a 13000 Powercore, only 12w output but confirmed it has 18650’s inside so capacity should last in the long term and no swelling which is why I got it.
                          So decided I don’t need another power bank right now, but was considering the 335 in this deal. I checked the Technical details (under Product specifications tab on mobile) on Amazon and it says lithium polymer. Ok I thought but then check my Powercore 13000 Amazon page and it says the same thing lithium polymer. Which is wrong.

                          I can’t remember but found some other bigger Anker models which users claimed on reddit to use 18650 inside, their amazon pages also say lithium polymer.

                          So am now thinking it just says this on every single powerbank on Amazon even if it’s wrong.

                          So what I wanted to hear from you, is if you have any info about Anker models specifically and if so far you can confirm if any models you know use 18650’s inside.

                          A comment on reddit simply said “if it’s thinner than 1.8 cm than it doesn’t use 18650” which doesn’t sound 100% accurate. Because I have seen inside thicker ones like Romoss which use lipo pouch batteries stacked together inside.

                          • @harshbdmmaster718: I don't have the 335 unfortunately but it seems like a good power bank.

                            With the Powercore 13000 - it may be labelled wrong (LiPo vs 18650) or they may have made both an 18650 and a lipo version that looks the same from the outside.

                            Lipo power banks are not actually bad. It all comes down to cell quality used. I would only worry about finding a 21700 or 18650 power bank if you have very heavy use - such as a full discharge each day.

                            Offhand I am don't know which Anker models use cylindrical cells. 18650s are not very common anymore, compared to 21700s.

                            A comment on reddit simply said “if it’s thinner than 1.8 cm than it doesn’t use 18650” which doesn’t sound 100% accurate.

                            18650s are 18mm (1.8cm) in diameter, and 65mm (6.5cm) long. So a power bank that is less than 1.8cm thick is too thin for 18650s to fit inside. With 21700 cells, they are 21mm in diameter, and 70mm long.

                            If 10,000 mAh is enough for you, the Limeta EB40 is a great power bank and uses Samsung 21700 cells. And can have the capacity capped to 80% for longevity.
                            https://www.ozbargain.com.au/node/836987

                            Currently $30 which is still a bargain. I am still doing extended testing on my two, but so far they seems great.

                            • @Prong: thanks.

                              yeah I guess I won't really know unless I open it up but I have seen a teardown with exact same model number and product name, inside was 4x 18650 side by side. not sure if it's useful info to you but they were light green with NCR18650G printed on them which means they are Panasonic 18650 lithium ion cells (3400mAh per cell x 4 so 13600 mAh total which with room for error in cell capacity matches the 13000mAh claimed). apparently the NCR18650G was the "go to cell" before LG and Samsung started making them.
                              same in a couple more Anker models, but I have forgotten which one have to look up the teardown again.

                              keeping in mind mine is an old model I'm sure the cells used were consistent. I read somewhere Anker recently swapped cells used in their expensive powerbank (something like the 140w or prime model) and people weren't happy about it. changing cell sources was apparently common during covid. Sony TWS earphones also silently changed their source for their cells and there are many failures.

                              18650s are 18mm (1.8cm) in diameter, and 65mm (6.5cm) long. So a power bank that is less than 1.8cm thick is too thin for 18650s to fit inside.

                              I see, 18mm exactly 😂 then judging by dimensions I guess it's accurate. but I still like confirmations from teardowns.

                              If 10,000 mAh is enough for you, the Limeta EB40 is a great power bank and uses Samsung 21700 cells. And can have the capacity capped to 80% for longevity.

                              thanks for the recommendation and link. I find your other recommendation helpful too. the Essager 65w 15000mAh. will consider both the Limeta and Essager when the Anker 13000mAh gives up. Samsung cells is definitely tempting and 80% charge cap is smart, but 15000mAh seems more right for me than 10000.

                              didn't know this until recently wondering why my iphone battery health is dropping much faster than others. I was charging from 50% to 100% every time. others were charging on and off regularly but because regularly taking it off the charger, I was told it was roughly only to 80 something %, they are using magsafe as well and have better battery health than me with their method.

                            • @Prong: oh btw sorry forgot to add.

                              Anker 533 (A1256) 10000mAh apparently uses 2x 21700 inside in series (5000mAh capacity @ 7.2v). I haven't found a teardown to confirm what type of 21700 though. https://www.amazon.com.au/Portable-Charger-PowerCore-Battery…

                              regularly $49.99 but would have been my default consideration when it drops lower than that coming from another Anker.

                              also saw many negative reviews claiming slow charge. apparently it's supposed to slow charge the first time you charge it out of the box, but a firmware bug causes it to get stuck on that mode. I found the solution which is to plug the powerbank into itself with a C to C cable. I think it's in the user manual somewhere it does a hard reset.

              • @harshbdmmaster718: FYI Click their name and it says "Moderator" under Role.

  • +1

    In before the lock

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