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expiredNavy-Wife | Staff posted Jan 13, 2026 03:39 PM
expiredNavy-Wife | Staff posted Jan 13, 2026 03:39 PM

CUKTECH 20000mAh 45W Power Bank w/ Built-in USB-C Cable (Black)

$16

$30

46% off
Amazon
146 Comments 73,659 Views
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Update: This popular deal is still available.

CUKTECH Direct via Amazon has Cuktech 20000mAh 45W Power Bank w/ Built-In USB-C Cable (Black) on sale for $20.39 - 20% off when you apply promo code CUKTECH20 at checkout = $16.31. Shipping is free with Prime or on $35+ orders.

Thanks to Deal Hunter Navy-Wife for finding this deal.
  • Note: Promo codes are typically for one-time use and don't always apply seamlessly. If you run into this issue, refresh the page, re-enter the code, or revisit the cart page.
About this Item:
  • 45W Max Super Fast Charging: Delivers up to 45W output; charges Galaxy S24 Ultra to 50% in ~20 minutes; compatible with iPhone 16/15 Pro Max, MacBook Air, etc.
  • Built-in Durable USB-C Cable: Integrated 45W fast-charging cable (10,000+ bend tested) doubles as a carrying strap – no extra cables needed
  • Massive 20,000mAh Capacity: Charges iPhone 15 ~3.9×, Galaxy S24 Ultra ~2.9×, iPad Air ~1.9× – ideal for travel and emergencies
  • Charge 3 Devices at Once: 3 outputs (including built-in cable) + 2 inputs; UL/CE/FCC certified for safety
  • Compact & Lightweight: High-density premium cells deliver full 20,000mAh in a lighter, more portable design
  • Trickle Charging Mode: Double-click to activate 2-hour low-power mode for earbuds, smartwatches, etc.; single-click to exit

Editor's Notes

Written by powerfuldoppler | Staff

Original Post

Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Update: This popular deal is still available.

CUKTECH Direct via Amazon has Cuktech 20000mAh 45W Power Bank w/ Built-In USB-C Cable (Black) on sale for $20.39 - 20% off when you apply promo code CUKTECH20 at checkout = $16.31. Shipping is free with Prime or on $35+ orders.

Thanks to Deal Hunter Navy-Wife for finding this deal.
  • Note: Promo codes are typically for one-time use and don't always apply seamlessly. If you run into this issue, refresh the page, re-enter the code, or revisit the cart page.
About this Item:
  • 45W Max Super Fast Charging: Delivers up to 45W output; charges Galaxy S24 Ultra to 50% in ~20 minutes; compatible with iPhone 16/15 Pro Max, MacBook Air, etc.
  • Built-in Durable USB-C Cable: Integrated 45W fast-charging cable (10,000+ bend tested) doubles as a carrying strap – no extra cables needed
  • Massive 20,000mAh Capacity: Charges iPhone 15 ~3.9×, Galaxy S24 Ultra ~2.9×, iPad Air ~1.9× – ideal for travel and emergencies
  • Charge 3 Devices at Once: 3 outputs (including built-in cable) + 2 inputs; UL/CE/FCC certified for safety
  • Compact & Lightweight: High-density premium cells deliver full 20,000mAh in a lighter, more portable design
  • Trickle Charging Mode: Double-click to activate 2-hour low-power mode for earbuds, smartwatches, etc.; single-click to exit

Editor's Notes

Written by powerfuldoppler | Staff

Original Post

Community Voting

Deal Score
+373
Good Deal
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Top Comments

str8flexed
668 Posts
164 Reputation
Cuktech is a subsidiary of Xiaomi and one of the largest charging accessories brand from China.
Although, the English name they've chosen is a bit unfortunate.
ooiman92
206 Posts
22 Reputation
Got one of these the last time they showed up here. I did a charge discharge on it and it comes up a bit short on the capacity. 70wh in, 56wh out. It's larger and heavier than other 20k battery banks that I've used if that matters to you.
Poro
159 Posts
129 Reputation
The name CUKTECH comes from the "Ćuk Converter," a type of efficient DC-DC power circuit, honoring engineer Slobodan Ćuk.

Heard their products are decent.

146 Comments

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Jan 14, 2026 01:23 AM
297 Posts
Joined Mar 2016
Ferrariman812Jan 14, 2026 01:23 AM
297 Posts
Quote from SamirPD :
Do you think that a company that doesn't even take the time to understand the impact of naming their product will give two Fs about their product itself? This is the way I look at all this chinesium that's dumped on our shores...
the Chinese dont give a F about american's opinions. they engineer and manufacture products for consumers world-wide.
1
1
Jan 14, 2026 03:43 AM
5 Posts
Joined Oct 2022
CrimsonPenguin749Jan 14, 2026 03:43 AM
5 Posts

Our community has rated this post as helpful. If you agree, why not thank CrimsonPenguin749

Jokes aside, this is a great charger. Never saw my S25U show "Super Fast Charging 2.0" until I connected it to this thing.
4
Jan 14, 2026 10:13 AM
871 Posts
Joined May 2013

This comment has been rated as unhelpful by Slickdeals users.

Jan 14, 2026 10:16 AM
871 Posts
Joined May 2013
SamirPDJan 14, 2026 10:16 AM
871 Posts
Quote from Ferrariman812 :
the Chinese dont give a F about american's opinions. they engineer and manufacture products for consumers world-wide.
Excellent! I'm sure the customer service is on par with that too, haha.
1
7
Jan 14, 2026 03:30 PM
159 Posts
Joined Jan 2017
PoroJan 14, 2026 03:30 PM
159 Posts

Our community has rated this post as helpful. If you agree, why not thank Poro

The name CUKTECH comes from the "Ćuk Converter," a type of efficient DC-DC power circuit, honoring engineer Slobodan Ćuk.

Heard their products are decent.
8
1
Jan 14, 2026 08:49 PM
203 Posts
Joined Oct 2015
ProductFREDJan 14, 2026 08:49 PM
203 Posts
Quote from Poro :
The name CUKTECH comes from the "Ćuk Converter," a type of efficient DC-DC power circuit, honoring engineer Slobodan Ćuk.

Heard their products are decent.
I've also heard that it's pronounced "Chook" when said out loud.
1
Jan 15, 2026 01:47 AM
220 Posts
Joined Dec 2023
TenseScene1475Jan 15, 2026 01:47 AM
220 Posts
usa is such a pity market now...china just dumps their out of date products here. At the same time they just enjoy the updated cp25se (25000m + 140w) Frown
1
1
3

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Jan 15, 2026 03:23 AM
1,841 Posts
Joined Aug 2006
eversavageJan 15, 2026 03:23 AM
1,841 Posts
Won't charge a two of 4 laptop in my household that would normally charge with other 45 watt usb C packs from other vendors
Jan 15, 2026 07:24 AM
214 Posts
Joined Sep 2013
GottaLoveItttJan 15, 2026 07:24 AM
214 Posts
Quote from CrimsonPenguin749 :
Jokes aside, this is a great charger. Never saw my S25U show "Super Fast Charging 2.0" until I connected it to this thing.
Same, I was about to post this too.
Jan 15, 2026 08:06 AM
4,143 Posts
Joined Mar 2015
CoolDealFinderJan 15, 2026 08:06 AM
4,143 Posts
Quote from str8flexed :
Cuktech is a subsidiary of Xiaomi and one of the largest charging accessories brand from China.Although, the English name they've chosen is a bit unfortunate.
Glad they put a C in their name and not an F....
3
2
Jan 15, 2026 09:00 AM
6 Posts
Joined Aug 2025
HeavenlyHusbandJan 15, 2026 09:00 AM
6 Posts
Quote from CalmHose482 :
Is this reputable? Naming aside.
I've been using this charger for over a year now and it works fine. I usually charge my steam deck off it and I can get a little over a full charge from it
Jan 15, 2026 04:16 PM
191 Posts
Joined Apr 2019
br8nJan 15, 2026 04:16 PM
191 Posts
Cuktech is over, it's The Adam Friedland Charger now
1
Jan 15, 2026 04:25 PM
383 Posts
Joined Nov 2008
zoid99Jan 15, 2026 04:25 PM
383 Posts
Quote from radars :
Bulky
I just received mine and it's not bulky at all.
Jan 15, 2026 07:57 PM
657 Posts
Joined Mar 2021
VorinclexJan 15, 2026 07:57 PM
657 Posts
This brand will forever make me chuckle like an 8yo discovering fart jokes for the first time.
1
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Jan 15, 2026 08:51 PM
14 Posts
Joined Jun 2025
SlickDolphin1119Jan 15, 2026 08:51 PM
14 Posts
Bought 20 last time they were on sale used them in Xmas Bags for Employees, Big HIT.
1
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