Can Daly Smart BMS work on 4.2V cells?

I was wondering if this BMS can work for “regular” lithium cells with Max charge of 4.2V, so I have tested it – see results in this video

“SMART BMS” from official store Aliexpress

Daly BMS: Aliexpress

Smart BMS:

spot welder link:

Ebay Daly Smart BMS:


What do you think?

Written by RoeeBloch

High voltage from 3-5V

Relay On Time and Off Time