SMT-S08S50M-SMTV1.0 is a power lithium battery management system developed by Shenzhen SMART Electronics Co., Ltd. for 8 unmanned ships; Realize protection functions such as overcharge, over-discharge, overcharge and discharge overcurrent, discharge short circuit, high and low temperature, etc. Intelligent balance function can effectively improve the cycle service life of battery pack; The battery capacity is calculated by monitoring the voltage, current and temperature in real time; It has the function of historical record to facilitate tracing; CAN and UART interfaces can be connected with the upper computer to monitor the battery information in real time; Firmware can be upgraded through CAN interface and UART interface