Reviews AlzaPower Garnet 10000mAh Power Delivery (22,5W) black
Interested in reviews of AlzaPower Garnet 10000mAh Power Delivery (22,5W) black? It got 4.7 out of 5 stars from our customers. Find specific customer reviews of AlzaPower Garnet 10000mAh Power Delivery (22,5W) black below. We will appreciate if you also share your experiences with AlzaPower Garnet 10000mAh Power Delivery (22,5W) black after purchasing.
User Reviews
Jan, Velemín
Rated 26/08/2026, variant AlzaPower Garnet 20000mAh Power Delivery (22,5W) black
Verified purchase
It's heavy, big and doesn't do much. It's usable, but you can't rely on it.
Combination of 2 USB-C and USB-A
the charge level indicator is deceptive
From 30% display indication, you're counting down the seconds until it switches off and shows 00%.
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Tereza, Dříteč
Rated 18/08/2026, variant AlzaPower Garnet 20000mAh Power Delivery (22,5W) white
Verified purchase
High endurance
Fast charging
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Anonymous customer
Rated 06/08/2026, variant AlzaPower Garnet 10000mAh Power Delivery (22,5W) white
Verified purchase
I bought this power bank thinking it would last a long time, but the opposite is true. The power bank's capacity drops rapidly with each charging cycle and for some reason it breaks both USB-C connectors, making the power bank useless. So I made a complaint, and Alza handled it very quickly and I had a second one at home the very next day. The problem started right away when it arrived with a completely wobbly cable that was totally unusable. So I used my own higher-quality one and for the first 2 charging cycles the power bank seemed to work great. But then there was a huge drop in capacity, the power bank showed it was charged from 10% to 100% in 30 minutes, and it hardly charges my phone at all, it just keeps turning on and then off. I've tried it with several cables and different phones. So I made a complaint for a second time to get my money back. Unfortunately, the money still hasn't arrived and customer support isn't dealing with it at all.
After 5 charging cycles, both USB-C connectors failed.
Unfortunately, a problem with multiple units. I had 2 power banks and both were faulty.
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Marek, Lány
Rated 05/08/2026, variant AlzaPower Garnet 20000mAh Power Delivery (22,5W) white
Verified purchase
satisfaction
not
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Anonymous customer
Rated 31/07/2026, variant AlzaPower Garnet 20000mAh Power Delivery (22,5W) white
Verified purchase
great endurance
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Customer
Rated 24/07/2026, variant AlzaPower Garnet 10000mAh Power Delivery (22,5W) white
Verified purchase - review from a price comparison website
Great products at a good price
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Pavel, Zlín
Rated 11/07/2026, variant AlzaPower Garnet 20000mAh Power Delivery (22,5W) white
Verified purchase - review from a price comparison website
Great value for money at this special price. works as expected
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Aleš, Praha
Rated 10/07/2026, variant AlzaPower Garnet 10000mAh Power Delivery (22,5W) white
Verified purchase
I returned this power bank because it would discharge on its own. When I contacted Alza, they accepted the return and sent me a new one, but that one started to smell – probably of lithium. I definitely wouldn’t recommend it.
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Matyáš, Česká Čermná
Rated 02/07/2026, variant AlzaPower Garnet 20000mAh Power Delivery (22,5W) black
Verified purchase
It’s enough for 4–5 phone charges; I’ve had it for over a year now and it’s been great so far. I bought it as part of a set with a charger and a cable, and it works as it should.
two USB-C ports
Capacity
Display showing capacity as a percentage
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Miluše, Moravské Budějovice
Rated 21/06/2026, variant AlzaPower Garnet 10000mAh Power Delivery (22,5W) white
Verified purchase
a good travel power bank
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