Interested in reviews of AlzaPower Onyx Gen2 20000mAh Power Delivery (22.5W) black? It got 4.7 out of 5 stars from our customers. Find specific customer reviews of AlzaPower Onyx Gen2 20000mAh Power Delivery (22.5W) black below. We will appreciate if you also share your experiences with AlzaPower Onyx Gen2 20000mAh Power Delivery (22.5W) black after purchasing.
AlzaPower Onyx Gen2 20000mAh Power Delivery (22.5W) black
Rated 30/05/2026, variant AlzaPower Onyx Gen2 20000mAh Power Delivery (22.5W) black
Verified purchase - review from a price comparison website
great endurance
sometimes a little hum (sound like graining)
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Jaroslav, Červený Kostelec
Rated 07/05/2026, variant AlzaPower Onyx Gen2 20000mAh Power Delivery (22.5W) black
Verified purchase - review from a price comparison website
Capacity sufficient, fast charging of the phone.
I recommend it.
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Šárka, Karlovy Vary
Rated 07/05/2026, variant AlzaPower Onyx Gen2 20000mAh Power Delivery (22.5W) black
Verified purchase - review from a price comparison website
Not tested yet.
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Jan, Pelhřimov
Rated 07/04/2026, variant AlzaPower Onyx Gen2 20000mAh Power Delivery (22.5W) black
Verified purchase - review from a price comparison website
Second bad experience with AlzaPower products.
The goods came in an unpacked box. The power bank was not in its protective packaging and the perimeter foil showed signs of tampering.
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Robert, Příbram
Rated 29/03/2026, variant AlzaPower Onyx Gen2 20000mAh Power Delivery (22.5W) black
Verified purchase
I have several of them and for the price, good
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Petr, Březová
Rated 31/01/2026, variant AlzaPower Onyx Gen2 20000mAh Power Delivery (22.5W) black
Verified purchase - review from a price comparison website
Excellent, it works.
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František, Praha 8
Rated 29/01/2026, variant AlzaPower Onyx Gen2 20000mAh Power Delivery (22.5W) black
Verified purchase - review from a price comparison website
Performance price ratio very favorable ,
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Jan, Holubice Kozinec
Rated 18/01/2026, variant AlzaPower Onyx Gen2 20000mAh Power Delivery (22.5W) black
Verified purchase - review from a price comparison website
So far satisfied capacity looks good enough
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Zdeňka, praha
Rated 17/09/2025, variant AlzaPower Onyx Gen2 20000mAh Power Delivery (22.5W) black
Verified purchase
the phone charges very quickly
Charges even watches
led lights are super visible
is heavy
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Anonymous customer
Rated 30/05/2026, variant AlzaPower Onyx Gen2 10000mAh Power Delivery (22.5W) black
Verified purchase
Recharges quickly
It doesn't show percentages.
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