Convert RYOBI 18v NiCd battery to Li-Ion.

Описание: In this video I convert a Ryobi 18v NiCd battery to 5S Li-Ion without BMS.
This was just to test building a 5S battery pack. I will add BMS later.
The battery can be used and recharged with a cheap 21v Li-Ion charger but
charging will not be balanced and this can damage the batteries.