The Seplos BMS V3.0 Balancing Issue. What is the problem here?

In today's video we are having a comprehensive look at the #Seplos #BMS V3.0 again and are trying to fix it.
The main problem is, that the balancer does not seem to work well, or maybe not even at all. All three battery packs were delivered with a massive imbalance of almost 0.3V at not even 55V.
I show you the three batteries and BMS and we measure the maximum possible charge voltage and the resulting deviation. INSANE!
I also try to use the 15A NEEEEEEYY to rectify the problem but was unable to even attach it to the battery due to construction design of the case and battery.
The solution was to manually balance one pack with the help of the light bulbs so we could charge it to the Seplos default voltage of 57.6V.
I left the BMS V3.0 balancer running over night at this voltage and was shocked by the results the next morning...

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For the Seplos BMS default parameter settings, have a look under the respective Seplos BMS (V1-V3) and click the resources link. https://off-grid-garage.com/battery-m...

What connector plug does the Seplos BMS V3 use for its balance cables? Have a look at the photos in the community channel:. I still haven't figured it out. https://www.youtube.com/@OffGridGarag...


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