Žiga

For now I use flyback converter that boosts 4.2V to 48V. I am charging my packs with 80Amp and I need at least 10Amps of balancing current. My system is...

I have packs 100p 14s but since there are mix cells with mixed capacity and degradation it is almost impossible to get them all equal, you can get close but...

At first i did just that, but i spot welded fuses on batteries and disassembling whole pack since i have 5x4 holders is a nightmare.

This guy made a nice balancer. https://hackaday.io/project/20825-low-cost-non-dissipative-active-battery-balancer