You can charge your laptop without an outlet. The 100W UGREEN power bank has dropped significantly below a thousand

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Jakub Kárník
Jakub Kárník
16. 10. 2026 12:30
UGREEN 20000mAh PD 100W Power Bank
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When working on a train or in a cafe, a free power outlet may not be a given. The UGREEN power bank with a capacity of 20,000 mAh therefore makes sense even in a laptop bag: its strongest USB-C output offers up to 100 W. On Alza, it now costs 844 CZK with code ALZADNY35 instead of the current price of 1,299 CZK without the code. For this money, you get a backup for your phone and a compatible work laptop.

Quick summary:
✅ Makes sense for: travel with a laptop supporting USB-C Power Delivery charging, a phone, or a tablet.
⚠️ Consider: only USB-C1 offers the full 100 W. The second USB-C output has a maximum of 30 W.
💡 Mironet sells the same model for 1,221 CZK; you get the price of 844 CZK on Alza by entering the code ALZADNY35.

For laptop and phone on one trip

For a laptop with USB-C Power Delivery charging, this power bank can take care of replenishing energy during work, while you connect your phone or tablet to another output.

Two USB-C connectors are complemented by a classic USB-A with a maximum of 22.5 W. Three devices can be connected simultaneously; when charging together, the power is distributed. If you alternate between a laptop, phone, and headphones, you don’t have to swap the same cable for each. A display is also present on the body.

Before your next trip, the power bank itself can also be quickly recharged: via the first USB-C, it receives up to 65 W. The corresponding power adapter is not included in the package, but you can use a compatible USB-C charger that you already have for your laptop.

Do you carry a power bank only for your phone, or do you already use it with your laptop too?

About the author

Jakub Kárník

Jakub is known for his endless curiosity and passion for the latest technologies. His love for mobile phones started with an iPhone 3G, but nowadays… More about the author

Jakub Kárník
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