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phoinix 19.1K Views
Oct 23, 2025 3:20 PM

24,000mAh Anker 737 3-Port 140W Portable Power Bank

$75

$110

31% off
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AnkerDirect via Amazon has 24,000mAh Anker 737 3-Port 140W Portable Power Bank (A1289) on sale for $74.99. Shipping is free.

Anker has 24,000mAh Anker 737 3-Port 140W Portable Power Bank (A1289) on sale for $109.99 - $35 with auto-applied code WSPDV2WG0LXM in cart = $74.99. Shipping is free.

Thanks to Deal Hunter phoinix for sharing this deal.

About this Item:
  • 140W PD 3.1 bi-directional fast charging
  • 24,000mAh capacity
  • Smart digital display shows input/output wattage and remaining recharge time
  • Includes 140W USB-C cable and 24-month warranty

Editor's Notes

Written by citan359 | Staff
  • About this Store:
  • Additional Information:
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.

Original Post

Written by phoinix
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
AnkerDirect via Amazon has 24,000mAh Anker 737 3-Port 140W Portable Power Bank (A1289) on sale for $74.99. Shipping is free.

Anker has 24,000mAh Anker 737 3-Port 140W Portable Power Bank (A1289) on sale for $109.99 - $35 with auto-applied code WSPDV2WG0LXM in cart = $74.99. Shipping is free.

Thanks to Deal Hunter phoinix for sharing this deal.

About this Item:
  • 140W PD 3.1 bi-directional fast charging
  • 24,000mAh capacity
  • Smart digital display shows input/output wattage and remaining recharge time
  • Includes 140W USB-C cable and 24-month warranty

Editor's Notes

Written by citan359 | Staff
  • About this Store:
  • Additional Information:
    • Please see the original post for additional details and/or view the Wiki and forum comments for further helpful discussion if available.

Original Post

Written by phoinix

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Top Comments

Community Reviews

Anker's 24,000mAh 737 stands out as a high output USB C power bank that also handles passthrough charging well. It can recharge quickly, power a laptop and phone or iPad at the same time, and has enough capacity for real travel use, including a full eight hour flight with an Alienware m16 and solid Steam Deck and Legion Go support. The compact shape fits a laptop bag water bottle pocket. The main caveat is battery wear over time, with some units shutting off early or losing ports after heavy use.

  • The 737 can recharge and provide passthrough power more effectively than many other 20-26k power banks.

  • The 737 can charge a MacBook Pro while also charging a phone at the same time on the go.

  • The 737 can fit in a laptop bag water-bottle net and power an Alienware m16 for an entire 8-hour flight.

  • The 737 can handle simultaneous charging for a laptop, phone, and iPad while delivering full MacBook Pro charging.

  • The 737 may not fully charge an XPS 15 9520, topping out around 85% in reported tests.

  • The 737 can shut off after the battery level drops to around half empty, with internal batteries reportedly going bad after warranty.

  • Replacement experiences can be inconsistent, including a denied replacement after the power bank died with about 30% charge.

  • The 737 may deliver shorter runtime on some laptops due to PD power caps and laptop draw while charging.

Common Questions (6)

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35 Comments

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Oct 24, 2025 1:07 AM
1.9K Comments
Joined May 2009
khalid7412002Oct 24, 2025 1:07 AM
1.9K Comments
Just as a data point, I bought this in April for $50 by Amazon woot supplied by anker new.

Don't think I've seen that price since then thought
2
Oct 24, 2025 9:41 PM
622 Comments
Joined Sep 2014
jk_blackOct 24, 2025 9:41 PM
622 Comments
Quote from FuschiaDeer1674 View quoted comment :
I have this powerbank. The thing it doesn't seem to charge an xps 15 9520 that much? Say the anker is at 100%. Say my laptop battery is at 20%. It doesn't even give it a full charge and makes the laptop go to maybe 85% at most. Is that normal?
Let's do the math.

There are two types of batteries for that model, but based on your CPU specs, let's assume you've got the higher-end version with the 86 Wh battery. Charging from 20% to 85% is roughly 56 Wh of energy.

Most power banks use 3.6V internally. Based on that, a 24,000 mAh battery equals about 86.4 Wh. But keep in mind, power banks aren't 100% efficient.. realistically, you're looking at 80-90% efficiency. Let's go with 85% efficiency, which gives you about 73.44 Wh of usable energy (not factoring in any battery degradation).

Now subtract that from what the laptop needs (73.44 Wh - 56 Wh), and you get a 17.44 Wh difference. So where did that energy go?

Well, we didn't account for what the laptop is using while charging. The Dell XPS 15 9520 can draw up to 130W when charging at full speed. But Dell being Dell (honestly worse than Apple in this regard), they limit full-speed charging to their own 130W chargers. If you're using a regular USB-C PD charger, you're capped at 100W. And at 100W output, the Anker 737 would go from 100% to 0% in about 52 minutes.

Now, your laptop's power draw during regular use (with an i7-12700h and a 15-inch screen) is somewhere between 15W and 40W. Let's go with a middle-ground estimate of 27.5W. Running at 27.5W for 52 minutes equals about 23.84 Wh.

That 23.84 Wh more than explains the missing 17.44 Wh we calculated earlier. So yeah, everything adds up. I don't think there's anything wrong with your charging results.
Oct 24, 2025 11:59 PM
412 Comments
Joined Oct 2025
FuschiaDeer1674Oct 24, 2025 11:59 PM
412 Comments
Quote from jk_black View quoted comment :
Let's do the math.

There are two types of batteries for that model, but based on your CPU specs, let's assume you've got the higher-end version with the 86 Wh battery. Charging from 20% to 85% is roughly 56 Wh of energy.

Most power banks use 3.6V internally. Based on that, a 24,000 mAh battery equals about 86.4 Wh. But keep in mind, power banks aren't 100% efficient.. realistically, you're looking at 80-90% efficiency. Let's go with 85% efficiency, which gives you about 73.44 Wh of usable energy (not factoring in any battery degradation).

Now subtract that from what the laptop needs (73.44 Wh - 56 Wh), and you get a 17.44 Wh difference. So where did that energy go?

Well, we didn't account for what the laptop is using while charging. The Dell XPS 15 9520 can draw up to 130W when charging at full speed. But Dell being Dell (honestly worse than Apple in this regard), they limit full-speed charging to their own 130W chargers. If you're using a regular USB-C PD charger, you're capped at 100W. And at 100W output, the Anker 737 would go from 100% to 0% in about 52 minutes.

Now, your laptop's power draw during regular use (with an i7-12700h and a 15-inch screen) is somewhere between 15W and 40W. Let's go with a middle-ground estimate of 27.5W. Running at 27.5W for 52 minutes equals about 23.84 Wh.

That 23.84 Wh more than explains the missing 17.44 Wh we calculated earlier. So yeah, everything adds up. I don't think there's anything wrong with your charging results.
Okay so I did read that power banks and power stations are not 100% efficient. I did not know this previously. I am surprised you lose that much efficiency on it.

Well I did a few tests with the xps 15 9520 and the anker 737 and it seems the moment I unplugged xps laptop from outlet and it is 100% and connect anker battery to it, it takes about 1 hour 5 minutes before the anker goes to 0%. So with the math you used, that means my xps is drawing less than 27.5w? I'm confused with the numbers you used. Since the dell charger is 130 watts... how could the xps draw that little amount of watts as in under 30 watts? I would thought it has to be higher?

So you are saying if you have a power outage, you should first connect the anker 737 to laptop and use the anker powerbank up first before you use the laptop battery first? The thing is if I use my laptop on battery at 100% battery, I get around 1.5 hours at the most. It can do 2 hours but that requires a lot of it being idle. So it would last at most 1.5 hours.

If a power outage and I continue using my laptop on battery. That is about 1.5 hours. Then as my laptop is very low in battery at say 20%, I connect the powerbank. Say the powerbank goes from 100% to 0% in about 55 minutes. Does that sound right? Then my laptop battery probably is 55% at the most? So say I get 40 minutes from when the dell xps goes from 55% to 0%. So this way I get about 3 hours 5 minutes.

Compare that to connect the powerbank immediately to my xps when power outage. Well it last 1 hour 5 minutes the anker. Now though the xps battery would go from 100% to 0% in probably 1 hour 30 minutes. So this would be 2 hour 35 minutes?

So shouldn't the numbers be the other way around? I thought you get more battery if you connect the anker 737 first to your laptop as oppose to let the laptop battery go down to 20% before you connect the anker to it? The math is wrong in that calculation?
1
Oct 27, 2025 12:34 PM
170 Comments
Joined Sep 2017
TreyY69Oct 27, 2025 12:34 PM
170 Comments
I love this battery pack
I can charge my MacBook Pro and phone at the same time on the go
I can get about half to a full charge on my MacBook pro on the go
Oct 27, 2025 1:26 PM
260 Comments
Joined Jun 2005
ThatGuy3141Oct 27, 2025 1:26 PM
260 Comments
I picked one of these up for a trip a few months ago. It's been great! It's about the biggest battery you can take in your carry-on luggage. The shape is a perfect fit for the water bottle net in my laptop bag. It was able to keep my Alienware m16 powered for the whole 8 hour flight while watching offline videos I had downloaded.
Oct 27, 2025 3:10 PM
36 Comments
Joined Aug 2025
NavySparrow297Oct 27, 2025 3:10 PM
36 Comments
Quote from FuschiaDeer1674 View quoted comment :
Do you have a link to the usb-c to barrel connector you are speaking about?

Why would the old pw7015l 18000 mah powerbank barrel only get 35 minutes with the newer xps 15 9520 only? The current pw7018lc 18000 mah powerbank that is usb-c with the newer xps 15 9520 get 50 minutes when I tested it a while back. So wouldn't the older powerbank that is barrel and same mah be the same though?

Are you sure no adapter exists for that? A while back on dell site, they had an adapter like that but now it doesn't seem to be available anymore. I checked ebay and pretty sure it looked something like this below. So this wouldn't work? The one on dell site a while back looked like this.

https://www.ebay.com/itm/31588623...R8C52anCZg

The thing is if I get a new laptop, I don't want the laptop to be smaller screen size. That laptop you mention is interesting. It's a faster processor and has 32gb ram and has a 4050 which is similar to the 3050. I am surprised that it would get back to 9550 power consumption. What is the reason for this? Which configuration of the dell 14 premium are you using for this though? If it's the one with a 4050, it uses a 3200x2000 screen OLED screen so isn't that screen going to use a lot of battery? Can you ever turn off the OLED like how turn off the 4050 graphics card or you can't do that? There is one with the ultra 5 processor but it's 16gb ram only and intel arc graphics processor but does have the 1920x1200 display. Are you talking about that laptop? I thought that is strange if you are talking about the one with the intel ultra 755h processor, it would get more battery with the powerbank since it has the OLED screen but that isn't true?
On the Dell adapter: cool! seems like it exists - it's VERY special. With a 20V barrel it has extra electronics that convert to 5/20V.
On the Dell charger: because its' only outputting 65W, laptop might run at a lower power profile and it'll take longer to give 18k MAH at 65W vs at 100W.
On the other laptop, it's 9550 power consumption because it uses the lower powered processor... which now provides similar performance to the 12700H because of architecture improvements. You can compare power consumption here: https://www.notebookcheck.net/Del...#c14110529
  • 9550 / XPS 14 2024 (155H, 4050, 2K) / Premium 14: 70W avg load, 114W max
  • XPS 14 2024 (155H, 4050): 92W avg load, 134W max
Oct 27, 2025 4:18 PM
2.4K Comments
Joined May 2022
1453191819231991Oct 27, 2025 4:18 PM
2.4K Comments
Didn't Amazon remove Anker from its platform for unfair business practises?

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Oct 27, 2025 5:35 PM
702 Comments
Joined Jul 2016
jborageOct 27, 2025 5:35 PM
702 Comments
I bought one of these at Newegg for $110 back in July 2023 to supplement the battery in my Steam Deck. I don't use my Steam Deck much at all, but I use this thing CONSTANTLY. It's starting to show a bit of wear and tear. It shuts itself off even though it says it has around 10% battery left, and the USB-A connector has stopped working, apparently. I have abused it over the past 2 years, so I'm not shocked. When it dies, I'll get another one.
Oct 27, 2025 5:50 PM
2.4K Comments
Joined Nov 2009
kmsimpsonOct 27, 2025 5:50 PM
2.4K Comments
Quote from FuschiaDeer1674 View quoted comment :
I have this powerbank. The thing it doesn't seem to charge an xps 15 9520 that much? Say the anker is at 100%. Say my laptop battery is at 20%. It doesn't even give it a full charge and makes the laptop go to maybe 85% at most. Is that normal?<br />
<br />
I know that when I connect it to my xps laptop when my laptop battery is 100%, it seems to keep my laptop fully charged at 100% and it last 1 hour 5 minutes or so before it is done. Is that normal? <br />
<br />
Do you actually get more battery out of this for your laptop if you connect this to your laptop the moment your laptop doesn't have any outlet to connect it to compared to when the battery is at 50% or 20%? I read it uses more power when it's lower since it has to charge the laptop and use more power? But most people use their laptop on battery and once they are low in battery, then they connect this to it right?
You may want to talk to Anker. I have this, and I absolutely love it! The passthrough is excellent, and I'm able to charge my laptop, phone and iPad all at the same time. It does charge my MBP fully, so I would definitely suggest talking to Anker.
P.S. Trying to decide if I want to get it as Christmas presents I like it so much.
Oct 27, 2025 5:56 PM
2.4K Comments
Joined Nov 2009
kmsimpsonOct 27, 2025 5:56 PM
2.4K Comments
Quote from FuschiaDeer1674 View quoted comment :
Does it have to do with the processor as well? Xps 15 9520 has an i7-12700h processor. It has 32gb ram and 1tb but that has nothing to do with it right? It has intel iris xe graphics and nvidia 3050 but the laptop uses the intel iris xe graphics one mainly. The thing is my older laptop which was an xps 15 9550, it had an i5-6300hq processor. I had used a dell pw7015lc powerbank that had 18000mah. I recalled when I connected it to my older laptop while laptop battery was 100%, the dell powerbank would last 1 hour 45 minutes or so I believe. So even with less mah, it lasts longer. This was a barrel powerbank and not usb-c. The reason it last longer is because my older xps 15 9550 had an i5-6300hq processor then? Even though it still is a quad core processor, the i7-12700h on the new laptop uses much more power?<br />
<br />
Okay so you always lose some percentage with the voltage conversion. This applies to any powerbank or like jackery power station right? Now does this voltage conversion differ a big percentage if you connect the anker powerbank to laptop while battery is 100% compared to say 20%? When I tested it on laptop when laptop is at 100% and so is anker powerbank, it was about 1 hour 5 minutes. I think when I did this with the laptop battery is 20%, it might been 55 minutes or so. Would that be accurate? So it should not last 1 hour 5 minutes since it will use more power getting the laptop battery percentage higher compared to if laptop battery is 100% and the anker powerbank is being used until it's 0%? Does this mean if you planning to use your laptop for a few hours and you haven no outlet for a few hours, it makes sense to use the anker powerbank connected to your laptop while laptop is at 100% and use it all up to 0% and then use your laptop until your laptop runs out of battery? That would be better than using your laptop to 50% or 20% or even less and then connecting the anker powerbank to it? This is all assuming you are doing something on your laptop while the anker powerbank is connected during this process. When you say it uses less heat and more efficiency so you mean the anker powerbank would go a bit longer while connected to laptop right? <br />
<br />
If that is the case, why do people seem to use their laptop while on battery and only when they are in low in battery, then they connect the anker powerbank to it? I guess it's because they want their anker powerbank still somewhat full for charging their laptop or something or assuming they will get access to an outlet soon or they going to be on their laptop for maybe an hour or so and thus want their anker powerbank to be full later on?
As someone else pointed out, the processor is the major portion, but if you have a GPU along with the CPU, that also uses power. Even if you do not think it is using the GPU, the GPU still pulls a little power.
BTW, this link will give you a comparison of the two processors:
https://www.cpu-world.com/Compare...2700H.html
Last edited by kmsimpson October 27, 2025 at 12:05 PM.
Oct 27, 2025 6:49 PM
13 Comments
Joined Jan 2019
Jaslmil2Oct 27, 2025 6:49 PM
13 Comments
I bought this exact power bank back in July of 2023 and have had zero issues with it. I'm in for another one just cause of how great my first one is.
Oct 27, 2025 7:56 PM
412 Comments
Joined Oct 2025
FuschiaDeer1674Oct 27, 2025 7:56 PM
412 Comments
Quote from kmsimpson View quoted comment :
You may want to talk to Anker. I have this, and I absolutely love it! The passthrough is excellent, and I'm able to charge my laptop, phone and iPad all at the same time. It does charge my MBP fully, so I would definitely suggest talking to Anker.
P.S. Trying to decide if I want to get it as Christmas presents I like it so much.
When you say charge you macbook fully, you mean when your macbook is at how much percent? So your anker is at 100% and then charge your macbook to 100%? Do you still have battery left on your anker? What macbook do you have and what is the battery?
Oct 27, 2025 7:57 PM
412 Comments
Joined Oct 2025
FuschiaDeer1674Oct 27, 2025 7:57 PM
412 Comments
Quote from kmsimpson View quoted comment :
As someone else pointed out, the processor is the major portion, but if you have a GPU along with the CPU, that also uses power. Even if you do not think it is using the GPU, the GPU still pulls a little power.
BTW, this link will give you a comparison of the two processors:
https://www.cpu-world.com/Compare...2700H.html
The thing is it uses the intel iris xe graphics by default. Task manager shows 0% of the nvidia 3050 though.
Oct 27, 2025 7:58 PM
412 Comments
Joined Oct 2025
FuschiaDeer1674Oct 27, 2025 7:58 PM
412 Comments
Quote from NavySparrow297 View quoted comment :
On the Dell adapter: cool! seems like it exists - it's VERY special. With a 20V barrel it has extra electronics that convert to 5/20V.
On the Dell charger: because its' only outputting 65W, laptop might run at a lower power profile and it'll take longer to give 18k MAH at 65W vs at 100W.
On the other laptop, it's 9550 power consumption because it uses the lower powered processor... which now provides similar performance to the 12700H because of architecture improvements. You can compare power consumption here: https://www.notebookcheck.net/Del...#c14110529
  • 9550 / XPS 14 2024 (155H, 4050, 2K) / Premium 14: 70W avg load, 114W max
  • XPS 14 2024 (155H, 4050): 92W avg load, 134W max
Okay I'm surprised by this then. So if you use xps 16 as the example, then it would use even more battery than my xps 15 9520 right?

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Oct 28, 2025 5:36 AM
1.8K Comments
Joined Feb 2015
kherbinoskieOct 28, 2025 5:36 AM
1.8K Comments
No CCC certification?

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