JumpStart smartPhone Battery

If your smartPhone battery is deeply discharged it might just need a little kick. see

To make things simpler using:

• https://www.az-delivery.de/products/mb-102-breadboard-kit?variant=36979145234

is very helpful.

You might want to make sure that the polarity is correct e.g. using +/red and -/black for your jumper cables. Otherwise a short circuit might happen with damaging effects.