Dangerous USB chargers 21 (a pleasant surprise!)
Автор: DiodeGoneWild
Загружено: 2025-12-15
Просмотров: 1164
Testing and examining two USB phone chargers again. Probably the worst QC 3.0 quick charger so far compared to a small 5V 2A charger with a pleasant surprise inside. Quite an electric shock and fire hazard vs a usable product with decent safety features. A load test, what's inside, thermal imaging, and switching transformer autopsy with safety isolation analysis.
The thermal camera:
https://eu.topdon.com/products/tc002c...
The USB tester:
https://www.fnirsi.com/products/fnb58...
The internal resistance tester:
https://www.fnirsi.com/products/hrm-1...
The 2-channel 180MHz oscilloscope:
https://www.fnirsi.com/products/dpox1...
My DIY test load:
https://danyk.cz/zatez2_en.html
Please support my channel on Patreon:
/ diodegonewild
Instagram:
/ savage_danyk
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