Topic

usb charger

3 videos. Ranked by independent recommendations, not by views.

1. 

   1 EEVblog #388 - Fake Apple USB Charger Teardown

   EEVblog 15 people · 17 months · since Apr 2013

   Dave Jones tears down a counterfeit Apple USB charger and shows its poor mains isolation; cited in discussions of cheap chargers and the shock risk they carry.

2. 

   2 Crappy PSU analysis

   mikeselectricstuff 6 people · 7 months · since May 2012

   A teardown and analysis of a cheap USB power supply, cited when people ask how to test chargers and whether bargain units are safe.

3. 

   3 Inside some dodgy Chinese USB power supplies from Greece.

   bigclivedotcom 3 people · 3 months · since Feb 2017

   Big Clive examines some USB power supplies and finds poor isolation, used to show how a mains charger can fall short on safety.