Lithium ion battery organizes module with communication interface, lithium ion battery group form by electric core, protection circuit board and encapsulating material, protection circuit board on the power switching circuit of power is provided including group battery protection circuit, the monitoring acquisition circuit that can gather battery voltage, capacity, percentage, temperature and electric current information, microprocessor, RS485 interface converting circuit and for protection circuit board, the RS485 interface converting circuit is through RS485 communication interface and backend server wireless connection, the group battery protection circuit use OZ8957 NULL to form as the core, monitoring acquisition circuit include that one establishes ties and to comprise integrated sampling resistor's voltameter chip, voltameter chip carry on through sampling resistor's electric current size through measured flow that battery power calculates and temperature display, it is equitable that it has the structure component, and convenient to use, reliable can conveniently organize lithium ion battery and carry out real -time supervision.