DANGEROUS Chinese USB charger (no isolation in the transformer!)
22:08
Dangerous USB phone chargers 8
18:45
12V 50A 600W power supply - failure analysis & transformer autopsy
18:15
Dangerous USB phone chargers 10
34:12
Dangerous USB phone chargers 2
2:47
How to tell a real opamp from a fake one
23:26
Dangerous USB phone chargers 6 (Quick QC 3.0)
32:00
Dangerous USB phone chargers 3 (& one good charger)
39:08