1. Resistance/Impedance Meter RC3563
I have and recommend it to anyone who is seriously thinking about building an energy storage facility, an indispensable device :)
https://s.click.aliexpress.com/e/_DFxneeL
Software and Manuals:
https://drive.google.com/drive/folders/1-G7U0hD5MkDcXHqoaOkvGyfP_ibx2Ho7