Try our cookies Alza.cz a. s., Company identification number 27082440, uses cookies to ensure the functionality of the website and with your consent also to personalisage the content of our website. By clicking on the “I understand“ button, you agree to the use of cookies and the transfer of data regarding the behavior on the website for displaying targeted advertising on social networks and advertising networks on other websites.
Alzak icon
Catalogue
Price
-
Availability
Capacity
20,000 mAh
27,600 mAh
-
Total outputs
(7)
(66)
(12)
Charging performance
10.5 W
200 W
-
Max. output current
2.1 A
15 A
-
Features and functions
(71)
(56)
(45)
(18)
(11)
Determined for
(85)
(28)
(1)
(32)
(1)
Weight
297 g
775 g
-

Best sellers, best power Banks 20,000 to 29,000 mAh

We also think that you deserve the best. That’s why on this page, we ranked power Banks 20,000 to 29,000 mAh from the most sold to the least sold. You have 86 products to choose from. Customers have the most interest in Xiaomi 67W Power Bank 20000 (Integrated Cable) Ice Blue, which you can buy for 38.90 € incl. VAT. If you’re intrested in power Banks 20,000 to 29,000 mAh in terms of the highest reviews, then look at the power Banks 20,000 to 29,000 mAh reviews and tests category.
86 Results
4.8 40×
Swissten Voltbox 35W 20000 mAh with integrated USB-C and Lightning cables black
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, 4+ outputs, up to 11V and 3 A, LED status indication display,
46.90 €
Buy
In stock 3 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SWISSg36
4.7 21×
Swissten 20000 mAh with integrated USB-C and Lightning cables space silver
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, 4+ outputs, up to 11V and 3 A, LED status indication display,
37.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SWISSg39
4.7 13×
Swissten 20000 mAh Power Line II black
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, 3 outputs, up to 11V and 3 A, LED status indication display,
Buy with code ALZADAYS25AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 25 % Rabatt mit dem Code ALZADAYS25AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 22.80 €
Amazing Deal 30.40 €
Currently Unavailable
Order Code: SWISSg41
5.0
Vention 20000mAh Power Bank (USB-C + USB-C/USB-A) with Built-in USB-C Cable 65W Black LED Display Ty
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, fast charging support, 3 outputs, up to 20V and 3 A, LED status indication
Discounted -13 % 49.90 € 57.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VENTag33
4.0
Ugreen 20000mAh Two-way Fast Charging Power Bank
Power Bank for mobile phones and tablets and hodinky, 20000 mAh, USB-C, 3 outputs, up to 12V and 4,5 A
63.70 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: UGREv6
4.7 36×
Anker Power Bank 20000mAh 87W Built-In USB-C Cable Black
Power Bank for mobile phones and tablets and laptops, 20000 mAh, USB-C, fast charging support, 3 outputs, up to 20V and 3,25 A display,
52.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Anker22a08
3.0
Xtorm 15W Go2 Powerbank 20.000mAh - Ash White
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, 2 outputs, up to 5V and 3 A, LED status indication
31.90 €
Buy
On the way 2 pcs
Expected 22/04/2026
Order Code: SPICd59
4.8 28×
ChoeTech 26800mAh PD140W power bank
Power Bank for mobile phones and tablets, 26800 mAh, USB-C, fast charging support, 3 outputs, up to 20V and 5 A display,
89.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CHOTEk23
4.6 217×
Vention 20000mAh Power Bank with Integrated USB-C and Lightning Cables 22.5W White LED Display Type
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, fast charging support, 4+ outputs, up to 12V and 3 A, LED status indication display,
27.90 €
Currently Unavailable
Order Code: VENTag8
4.6 217×
Vention 20000mAh Power Bank with Integrated USB-C and Lightning Cables 22.5W Black LED Display Type
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, fast charging support, 4+ outputs, up to 12V and 3 A, LED status indication display,
24.90 €
Currently Unavailable
Order Code: VENTag7
4.7 76×
FIXED Zen 20 Pro with LCD display and 130W 20 000 mAh output black
Power Bank for mobile phones and tablets and laptops, 20000 mAh, USB-C, fast charging support, 3 outputs, up to 20V and 5 A display,
68.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: FXD095c27
4.5 27×
Anker Prime Power Bank 20000mAh, 200W, Black
Power Bank for mobile phones and tablets and laptops, 20000 mAh, USB-C, fast charging support, 3 outputs, up to 12V and 6,5 A display,
154.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Anker22a02
4.2 27×
Viking PN-964PD 27000 mAh
Power Bank for mobile phones and tablets, laptops and hodinky, 27000 mAh, USB-C, fast charging support, 3 outputs, up to 20V and 5 A display,
Buy with code ALZADAYS25AT The discount code gives the option of applying a discount on a given product when entering the code in the shopping cart. Erhalten Sie 25 % Rabatt mit dem Code ALZADAYS25AT. Das Angebot gilt bis zum 15. September 2025 oder solange der Vorrat reicht und ist nur für Endverbraucher bestimmt. 76.64 €
Amazing Deal 102.19 €
Buy
In stock > 5 pcs
Order Code: VKNG043
4.7 322×
ChoeTech Digital Powerbank B729 PD22.5W 20000mAh
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, 3 outputs, up to 12V and 3 A display,
25.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CHOTEk19
4.4 75×
Swissten Power Bank 20 000 mAh 100W Power Delivery for laptops
Power Bank for mobile phones and tablets and laptops, 20000 mAh, USB-C, fast charging support, 3 outputs, up to 20V and 5 A display,
69.90 €
Buy
On the way > 5 pcs
Expected 22/04/2026
Order Code: SWISSg25
4.7 36×
Ugreen 20000mAh PD 100W Power Bank
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, fast charging support, 3 outputs, up to 20V and 6 A display,
Discounted -5 % 68.90 € 72.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: UGREv3
4.1 97×
Viking TYR II 20000mAh with folding solar panels
Power Bank with solar panel, for mobile phones and tablets and hodinky, 20000 mAh, USB-C, fast charging support, Qi wireless chargingí, 3 outputs, up to 12V and 5 A display,
51.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VKNG041
4.7
Xtorm 67W Fuel Series Powerbank 27.000mAh - Midnight Black
Power Bank for mobile phones and tablets and laptops, 27000 mAh, USB-C, fast charging support, 3 outputs, up to 20,3V and 3,3 A display,
99.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SPICd47
4.6 16×
Xtorm 35W Fuel Series Powerbank 20.000mAh - Midnight Black
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, fast charging support, 3 outputs, up to 20V and 3 A display,
59.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: SPICd46
4.6 16×
Xtorm 35W Fuel Series Powerbank 20.000mAh - Dusk White
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, fast charging support, 3 outputs, up to 20V and 3 A display,
64.90 €
Buy
Ordered on request
Order Code: SPICd45
4.7 420×
Vention 20000mAh 22.5W Portable Power Bank White
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, fast charging support, 3 outputs, up to 12V and 3 A, LED status indication display,
Discounted -7 % 23.90 € 25.90 €
Currently Unavailable
Order Code: VENTag4
4.8 153×
Samsung Powerbank 20.000mAh (superfast charging 45W) Beige
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, fast charging support, 3 outputs, up to 20V and 5 A
44.90 €
Currently Unavailable
Order Code: SAAB0118a17
4.1 59×
Viking SKADI II 20000mAh
Power Bank for mobile phones and tablets, 20000 mAh, USB-C, fast charging support, Qi wireless chargingí, 3 outputs, up to 20V and 3 A, LED status indication
59.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: VKNGa26
Check out products sorted by price starting with the lowest price in the category cheap power Banks 20,000 to 29,000 mAh Find products sorted from the most expensive to the cheapest in the category most expensive power Banks 20,000 to 29,000 mAh Check out products sorted by price starting with the highest price in the category best sellers, best power Banks 20,000 to 29,000 mAh You’ll find products sorted by reviews starting from the highest ranked in power Banks 20,000 to 29,000 mAh reviews
P-DC1-WEB25

AlzaBox In einer AlzaBox ist deine Bestellung 24/7 erreichbar! More info »