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phoinix | Staff 2K Views
Sep 10, 2026 10:25 AM

$26.99 | Anker 20,000mAh 15W Powerbank 2-Port (USB-C & USB-A) at Woot!

$27

$50

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Woot! [woot.com] has Anker 20,000mAh 15W Powerbank 2-Port (USB-C & USB-A) for $26.99.
Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.

Price:
$23.01 lower (46% savings) than the reference price of $50

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Woot! [woot.com] has Anker 20,000mAh 15W Powerbank 2-Port (USB-C & USB-A) for $26.99.
Shipping is free for Amazon Prime Members (must login with your Amazon account and select a shipping address in order for Woot to apply free shipping) or is otherwise $6 per order.

Price:
$23.01 lower (46% savings) than the reference price of $50

Please report the deal if expired (click report -> expired)
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4 Comments

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Pro
Sep 10, 2026 12:03 PM
1.1K Comments
Joined Aug 2009
Philosopher
Pro
Sep 10, 2026 12:03 PM
1.1K Comments
20k mah, 2 ports at only 15W per port. No way in 2026.
Sep 10, 2026 3:05 PM
2.1K Comments
Joined Nov 2010
ROKETSep 10, 2026 3:05 PM
2.1K Comments
Quote from Philosopher View quoted comment :
20k mah, 2 ports at only 15W per port. No way in 2026.
What is good then? Started considering powerbanks recently but havent gotten deep into research.
Pro
Sep 10, 2026 5:23 PM
1.1K Comments
Joined Aug 2009
Philosopher
Pro
Sep 10, 2026 5:23 PM
1.1K Comments
Quote from ROKET View quoted comment :
What is good then? Started considering powerbanks recently but havent gotten deep into research.
Bare minimum should be 30W per port, and about 3 ports: 1 for any phone made within the last 5 years, 1 for tablet or laptop, 1 to charge wireless earbuds via cable for speed and efficiency. Ideally should be 100W+ per port or at least one port to fast charge a laptop or any device you throw at it. iPhone 17s can take advantage up to a 40W charger. Supposedly the upcoming iPhone 18 line can handle 60W. Most Android phones handle 30-60W. Be sure to research the wattage your devices can charge at. No use getting a 140W charger if your phone is the highest power draw at 60W. But then again devices will eventually need more watts, or be capable of charging at higher wattage, to charge in the future. For reference, the first iPhone (2007) could only handle 5W. You should also research standards like Power Delivery (PD), which is now at 3.1 or a max input/output of 240W, or Qi and Qi2 for wireless charging standards if you want a unit with wireless charging capability. (Qi2's max is up to 25W.)

Also the power bank should recharge at least at 100W to quickly recharge itself in under a couple hours. You'll need to get a separate AC adapter to do that, and make sure the cable's specs can handle 100W or the max wattage of the device you're charging.

I am using the Anker 737 (https://www.anker.com/products/a1...4285041814) that I got one sale for $80 two years ago.
It can charge itself from AC at 140W, but I use an adapter and cable that only go to 100W. You'll have to pay a big premium (like 2-3x the price) for 140W or 240W.

Anker does have a powerbank that does 140W output: https://www.anker.com/products/a1...power-bank
But of course it's far more expensive. Also note most airlines and regulators (like FAA) worldwide currently only allow power banks with a capacity of up to 100Wh (approximately 27k mAh), or just over that one.

Also, be sure to get your equipment (battery, cable, AC adapter) from a reputable company like Anker or UGREEN, and make sure the model's reviews are up to satisfaction. If you cheap out on power, the outlet and any connected devices may be toast, along with a possible lithium fire, which is extremely hard to put out, and you especially do not want that at 20,000 feet in the air.
Last edited by Philosopher September 10, 2026 at 10:35 AM.
Sep 10, 2026 6:28 PM
2.1K Comments
Joined Nov 2010
ROKETSep 10, 2026 6:28 PM
2.1K Comments
Quote from Philosopher View quoted comment :
Bare minimum should be 30W per port, and about 3 ports: 1 for any phone made within the last 5 years, 1 for tablet or laptop, 1 to charge wireless earbuds via cable for speed and efficiency. Ideally should be 100W+ per port or at least one port to fast charge a laptop or any device you throw at it. iPhone 17s can take advantage up to a 40W charger. Supposedly the upcoming iPhone 18 line can handle 60W. Most Android phones handle 30-60W. Be sure to research the wattage your devices can charge at. No use getting a 140W charger if your phone is the highest power draw at 60W. But then again devices will eventually need more watts, or be capable of charging at higher wattage, to charge in the future. For reference, the first iPhone (2007) could only handle 5W. You should also research standards like Power Delivery (PD), which is now at 3.1 or a max input/output of 240W, or Qi and Qi2 for wireless charging standards if you want a unit with wireless charging capability. (Qi2's max is up to 25W.)

Also the power bank should recharge at least at 100W to quickly recharge itself in under a couple hours. You'll need to get a separate AC adapter to do that, and make sure the cable's specs can handle 100W or the max wattage of the device you're charging.

I am using the Anker 737 (https://www.anker.com/products/a1...4285041814) that I got one sale for $80 two years ago.
It can charge itself from AC at 140W, but I use an adapter and cable that only go to 100W. You'll have to pay a big premium (like 2-3x the price) for 140W or 240W.

Anker does have a powerbank that does 140W output: https://www.anker.com/products/a1...power-bank
But of course it's far more expensive. Also note most airlines and regulators (like FAA) worldwide currently only allow power banks with a capacity of up to 100Wh (approximately 27k mAh), or just over that one.

Also, be sure to get your equipment (battery, cable, AC adapter) from a reputable company like Anker or UGREEN, and make sure the model's reviews are up to satisfaction. If you cheap out on power, the outlet and any connected devices may be toast, along with a possible lithium fire, which is extremely hard to put out, and you especially do not want that at 20,000 feet in the air.
Thank you for the rundown. Though admittedly Im not sure I want to pay $106 for a power bank. Is this bank acceptable for its price point? Additionally, what if I just need to slow charge/top electronics up in down time? Or power my travel router for a bit while waiting for a flight. Would this one be okay then?

Edit: There IS this deal:

https://slickdeals.net/f/19936650-ac-40-00-20-000mah-baseus-up-to-145w-power-bank-w-100w-retractable-usb-c-at-amazon?src=SDSearchv3&attrsrc=Thread%3AExpired%3AFalse%7CSearch%3AType%3Anormal%7CSearch%3ASort%3Arelevance%7CSearch%3AHideExpired%3Afalse
Last edited by ROKET September 10, 2026 at 11:38 AM.

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