I just found this BMS on Aliexpress. It has three temperature sensors, active balancing via Bluetooth, switch, and can be configured for different cell voltages and number of series strings. It also has a UART port. I wonder what that can do?
JBD Smart LiFePO4 BMS 6S 8S 12S 13S 14S 16S 20S 21S With Bluilt-in Bluetooth 40A 80A 100A Balance Board Uart Function For E-bike - AliExpress 44
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