If you wanna buy the tester of POWER-Z, you can visit our Amazon store:
https://www.amazon.com/s?me=A31UM8SRXYVF2Z&marketplaceID=ATVPDKIKX0DER

Introduction
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In the past videos, we took apart lots of USB-A and USB-C chargers, but it seems like we’ve never talked about the USB-B connector.
What it looks like, and how we can use it. Let’s talk about it today.

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https://www.chargerlab.com

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