Are over-discharged lithium cells safe? (And how to test for damage.)
30:00
Using salvaged lithium cells to power LEDs directly. (with protection test)
13:01
Lithium "capacitor" in a disposable product
14:25
Poundland "disposable" phone charger.
14:36
Will China's 18650 Battery Beat LG, Samsung, Sony & Panasonic? Let's find out!
15:30
Scavenging rechargeable lithium cells from the roadside
15:08
How I test lithium cell and power bank capacity.
28:58
DIY: Salvage high discharge 18650 cells from Makita tool battery for free
26:58