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

Reviews AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black

Interested in reviews of AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black? It got 4.8 out of 5 stars from our customers. Find specific customer reviews of AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black below. We will appreciate if you also share your experiences with AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black after purchasing.

User Reviews

Markéta, Prahaflag
Rated 05/09/2025, variant AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black
Verified purchase - review from a price comparison website
A little heavier, but fully meets the purpose, recharges without problems, lasts a long time - probably depends on the device being recharged.
lasts a long time
recharges well
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Customer, Říčany u Prahyflag
Rated 29/08/2025, variant AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black
Verified purchase - review from a price comparison website
1111
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Lukáš, Brnoflag
Rated 26/08/2025, variant AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black
Verified purchase
first experience blooming
the connecting cord cannot be hidden anywhere
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Anežka, Praha 9flag
Rated 25/08/2025, variant AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black
Verified purchase
charging indicator
colour
it is fit for purpose
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Martina, berounflag
Rated 21/08/2025, variant AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black
Verified purchase
light weight
quality product
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Jitka, Roztoky u Prahyflag
Rated 12/08/2025, variant AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black
Verified purchase - review from a price comparison website
Excellent battery capacity
I don't know
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Heřman, Zlatá Korunaflag
Rated 02/08/2025, variant AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black
Verified purchase
Dimensionally handy, recharges well even small devices (headphones, flashlight, smart watch. ).
Good dimensions - quite small, lightweight
Fast charging (supports fast charging of Samsung, Xiaomi and probably others)
It has a switch
It could have a numeric charge level indicator, but that's just a minor detail (it doesn't matter for function)
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Vojtěch, Strančiceflag
Rated 01/08/2025, variant AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black
Verified purchase
Capacity
Price
Fast Charging
Eco packaging
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Ivanflag
Rated 31/07/2025, variant AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black
Verified purchase - review from a price comparison website
Good capacity and functionality for the price.
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Jaroslava, Česká Skaliceflag
Rated 29/07/2025, variant AlzaPower Onyx 20000mAh Fast Charge + PD3.0 black
Verified purchase - review from a price comparison website
a relatively lightweight device for the capacity
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