I have two failed EM3ev battery packs. The BMS is toast after less than 50 cycles over 6 years.

I’m looking for a replacement BMS (52V, 14S5P) but can’t figure out which would be more reliable. I would prefer to avoid buying a replacement from them because I dont think they should have failed so early and with such a light use.

How to find a suitable BMS that does Bluetooth and will fit the existing connectors, including the SoC indicator and power button? That’s an 8 wires daughter board that uses actual SoC information to display the value rather than voltage alone.