How to charge properly 3S Li-Ion battery pack?
I''m building a 3S 18650 Li-ion battery pack, which will be used for fast charging and discharging. Unfortunately, I can''t find a 3S battery charging board that is commercially available. I found out that some people are connecting a BMS and powering 12,7-12.8V directly from a DC/DC converter to the whole pack, but I started wondering is …