How to charge a laptop from a power bank – 2 methods and tests

Опубликовано 4 апреля 2026, 14:24

How to charge a laptop from a Power Bank? In this video I test a 45W power bank and show 2 real working methods to charge a laptop — via USB Type-C PD and using a PD trigger adapter.
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This is not just a review — I check real output power, supported voltages (5V / 9V / 12V / 20V), and how this DIY 18650 power bank performs under load. You will also see if it can actually handle laptop charging and where its limits are.
I also test how fast the power bank charges itself (up to 65W input), what happens when multiple devices are connected, and why fast charging may stop working in some scenarios.
If you are looking for a portable laptop charger, planning to build a DIY power bank using 18650 batteries, or just want to understand how USB-C PD charging works — this video will be useful.

In this review, I will show:
✔ Power bank test (5V / 9V / 12V)
✔ Laptop charging via USB-C PD
✔ Charging laptop without Type-C (PD trigger adapter)
✔ Input charging test (up to 65W)
✔ Real limitations explained

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00:00 Introduction
00:05 Specifications
02:23 Package Contents
03:06 Design and Appearance
04:28 Power Output Tests
05:28 Power Bank Charging Test
06:06 Laptop Charging via Type-C
07:49 Laptop Charging via Trigger Adapter
10:15 Conclusion

👍 Write in the comments if you have ever tried to charge a laptop from a power bank and how it worked for you.

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