Reverse engineering of shady lithium button cell charger.
35:16
Testing Poundland's 2.1A dual port USB power supply. (with 2kV)
37:04
Teardown of a faulty Samsung lithium 18650 cell. (2200mAh)
42:13
Por 33.000 euros, esperaria que fosse perfeito
27:33
Excellently awful eBay trash (with schematic)
36:37
JUGEE battery teardown full size video.
29:03
Fixing a faulty USB power supply.
27:19
Inside a recalled Amazon Basics power bank.
31:44