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)

20:46
Finally! A Battery That’s Better Than Energizer and Duracell!

23:36
Cortocircuitando una batería de litio para arrancar coches completamente cargada (no acabó bien)

13:01
Lithium "capacitor" in a disposable product

21:37
Charging NiMH cells - smart vs dumb chargers

13:08
Can Amazon Basics CR2032 Battery Beat Energizer or Duracell? I Have The Answer!

19:34
What's inside Eneloop and LIDL NiMh cells (fire, apparently)

13:01