IKEA SMÅHAGEL USB charger teardown
29:03
Fixing a faulty USB power supply.
27:33
Excellently awful eBay trash (with schematic)
27:19
Inside a recalled Amazon Basics power bank.
23:11
Simple NiMH battery charger (with PCB files)
30:23
Jetson Bolt Pro Ebike Custom 48v Battery Pack Build
44:59
Reverse engineering of shady lithium button cell charger.
13:27
Fake Samsung charger with interesting circuitry
36:37