They tend to have "firmware" that can complicate things.Hi everybody
Is there any way to use laptop battery circuit to charge 18650 li-ion cell standalone .
Because i have a lot of old battery and i need to build about 20 charger and i need to save some money.View attachment 140071
Thanks in advance.
by Jake Hertz
by Jake Hertz
by Duane Benson
by Aaron Carman