Teardown of the IKEA Koppla USB Power Supply
bigclivedotcom · Explainer · 29 min · 2016 · YouTube title: Teardown of an IKEA Koppla USB power supply.
Why it's here
Cited as a teardown of a well-made, safe USB charger, and as evidence for why quality chargers matter.
What it covers
Big Clive takes apart an IKEA Koppla USB power supply to assess its safety, looking at isolation and transformer construction.