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.

We use 8 categories of cookies on our website:

Technical cookies
These are strictly necessary for the functioning of the website and the features you choose to use. Without them, our website would not work; you wouldn't be able to log in to your user account, for example.
Functionality cookies
These cookies allow us to remember your basic choices and improve the user experience. These include remembering your preferred language or allowing you to stay logged in permanently.
Social media cookies
These cookies allow us to easily link you to your social media profile and, for example, allow you to share products and services with your friends and family.
Content personalisation
These cookies allow us to show you content and ads according to the information we have about you to best meet your needs. This includes what content you have viewed, or on what device you are accessing our website.
Non-personalised advertising
These cookies allow us to show you general ads for products and services.
Personalised advertising
Thanks to these cookies, we and our partners can offer you relevant products and services based on your purchases, your shopping behaviour and your preferences.
Audience metrics
These cookies allow us to optimise our site for your convenience based on how you use it. The aim is to remember or anticipate your choices. This includes, for example, the use of features, their location, or the behaviour on the page.
Third party cookies
These are third party cookies, and you can find out more about them and our partners here.

By giving your consent to the processing of cookies, functionality and analytical cookies will be installed on the device you use to browse the website (click on the "I understand" button for both categories, or you can select only one of the categories by clicking on the "Settings" button). We always install technical cookies on your device, even without your explicit consent, because without them our website would simply not work.

You can revoke your consent to the processing of cookies. In connection with our company's cookie processing, you also have the following rights: the right to access cookies, delete, modify, supplement and correct them, restrict processing and the right to lodge a complaint with the Office for Personal Data Protection. Read more about your rights.

For even more detailed information about how we process cookies, please see our Personal Data Protection Policy.

I understand Detailed settings Reject everything

Catalogue

Computers and LaptopsAccessoriesBatteries & ChargersPower BanksAlzaPower Onyx 20000mAh Fast Charge + PD3.0 whiteHelp and manuals

AlzaPower Onyx 20000mAh Fast Charge + PD3.0 white - Power Bank

Questions and answers: AlzaPower Onyx 20000mAh Fast Charge + PD3.0 white

This page contains frequently asked questions about AlzaPower Onyx 20000mAh Fast Charge + PD3.0 white. If you are considering buying this product, you may want to read the discussion or ask more questions about AlzaPower Onyx 20000mAh Fast Charge + PD3.0 white. They will be answered by our specialists.

Accessories
Help and manuals 83
Reviews 228

No reply only

Zdravím, dá se powerbanka vypnout pomocí tlačítka?

Customer,

17. 10. 2021,

1 answer

Dobrý den , po nějaké době nabíjení mého IPhonu 11 PB přestane nabíjet a musím buď vytáhnout a vrátit kabel nebo stisknout tlačítko na PB Kde hledat chybu ?

Richard Ridoško,

16. 5. 2021,

1 answer

Dobrý deň, chcem powerbanku použiť ako záložný zdroj na ip kameru: Xiaomi Mi Home Security Camera 360° 1080P. Je možné nabíjať powerbanku a zároveň mať aj zapnutú kameru? Neviem koľko kamera potrebuje ale má sa napájať 5V 2A.

Customer,

8. 2. 2021,

1 answer

Dobry den, powerbanka dorazila a nabila sa v poriadku do plna cez usb-c, mam ale problem ked zapoim mobil obojstannym portom do usb-c portu na powerbanke, moj mobil nabija powerbanku a berie z neho batériu, čo by malo fungovať naopak, dá sa to nejak prepnúť aby powerbanka nabijala moj telefon?

Customer,

26. 1. 2021,

1 answer

Dobrý den. Dá se současně nabíjet banka a telefon ? Či nejdříve musím nabít banku a poté z ní až nabíjet zařízení. Děkuji za odpověď

Customer,

31. 7. 2020,

1 answer

Dobry den, jaky je rozdil mezi PB od Alzy model Onyx a model Carbon? Parametry stejne ale cena se vyznamne lisi. Diky

Aneta Urbanová,

6. 5. 2020,

3 answers

Dobrý deň, je na tejto power banke nápis s kapacitou? Je potrebné pre niektoré aerolinky. Ďakujem.

Customer,

9. 10. 2025,

1 answer

Dobrý den, tato powerbanka má rychlonabíjecí protokol Power delivery a další, má ale i funkci PPS? Děkuji.

Customer,

13. 8. 2025,

1 answer

Dobrý den, umí tato powerbanka kontinuálně nabíjet mobil tak, že po nabití ho neodpojí a mobil se poté nevybije?

Customer,

5. 8. 2025,

1 answer

Dobrý den, powerbanka podroruje power delivery nabíjení, podporuje ale zároveň i funkci (protokol) PPS, že se výstupní napětí dynamicky dokáže měnit aby bylo nabíjení efektivní? Díky.

Customer,

18. 7. 2025,

1 answer

P-DC1-WEB23