Interested in reviews of AlzaPower Onyx 5000mAh Black? It got 4.6 out of 5 stars from our customers. Find specific customer reviews of AlzaPower Onyx 5000mAh Black below. We will appreciate if you also share your experiences with AlzaPower Onyx 5000mAh Black after purchasing.
Rated 03/02/2026, variant AlzaPower Onyx 5000mAh Black
Verified purchase
price
size
charging with the old micro USB
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Eva, Krupka 1
Rated 28/12/2025, variant AlzaPower Onyx 5000mAh Black
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Fulfils the purpose
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Pavla, Orlová 4
Rated 27/12/2025, variant AlzaPower Onyx 5000mAh Black
Verified purchase - review from a price comparison website
It's great.
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Company
Rated 20/12/2025, variant AlzaPower Onyx 5000mAh Black
Verified purchase
Charging 2 devices simultaneously
sufficient capacity
good price
I would replace micro USB with USB-C
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Martin, Brno, Soběšice
Rated 19/12/2025, variant AlzaPower Onyx 5000mAh Black
Verified purchase
Good endurance
Two usb-a ports
Charging via micro-usb
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Jan, Orlová
Rated 19/12/2025, variant AlzaPower Onyx 5000mAh Black
Verified purchase
price ( almost free on sale )
micro usb input for charging
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Adam, Praha
Rated 04/12/2025, variant AlzaPower Onyx 5000mAh Black
Verified purchase
quite a good gift
works well
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Ondřej, Praha 19
Rated 24/11/2025, variant AlzaPower Onyx 5000mAh Black
Verified purchase
a size that fits anywhere, you can wear it in your shorts, lol
look at the negative, out rather than the new version
micro-usb, oh yeah. but otherwise top!
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Jindřich, Týn nad Vltavou
Rated 21/11/2025, variant AlzaPower Onyx 5000mAh Black
Verified purchase - review from a price comparison website
small, lightweight and suitable for a headlamp as a backup power supply
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Kateřina, Brandýs nad Labem-Stará Boleslav
Rated 18/11/2025, variant AlzaPower Onyx 5000mAh Black
Verified purchase
It's nothing groundbreaking for me, but if you're looking for a powerbank as an emergency, it's completely sufficient.
small, light and compact
not all cables fit into the holes, some fall out
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