Dangerous USB-powered 18650 Li-Ion charger
19:32
Dangerous USB phone chargers 11 (fake vs. real)
25:52
Li-ion drill charger analysis (with schematic, measurements, waveforms)
17:10
3 good looking 18650 cells from Ebay - real or fake?
25:10
DANGEROUS Chinese USB charger (no isolation in the transformer!)
18:06
$15 aliexpress 40W USB-C charger test
10:44
Testing more 18650 Li-ion cells (REAL vs. FAKE)
32:57
Dangerous USB phone chargers
8:01