4S Bms /Protection Board Balance 12V21V Sodium Ion Battery Protection Board 10-100A Startup Power Supply SMBUS/UART/I2C/RS485

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4S Bms /Protection Board Balance 12V21V Sodium Ion Battery Protection Board 10-100A Startup Power Supply SMBUS/UART/I2C/RS485

4S bms /protection board balance 12V21V sodium ion battery protection board 10-100A startup power supply SMBUS/UART/I2C/RS485
25,10$ Vedi