Don't do this! (There's a much safer way)
13:01
Lithium "capacitor" in a disposable product
28:21
Horrific USB power supply fault. (Electrocution risk.)
23:36
Shorting out a fully charged cheap lithium jump starter. (It didn't end well.)
26:58
Simplest solar light possible, using old phone battery.
14:11
Don't Throw Away Old Batteries! Easy Way To Restore 1.5V Battery To Like New
30:00
Using salvaged lithium cells to power LEDs directly. (with protection test)
8:51
Eski Bilgisayar Güç Kaynağını Ayarlanabilir Güç Kaynağına Dönüştürün
9:55