This product is a lithium iron phosphate battery pack for backup power supply. The battery pack is composed of 15 monomer capacity 100Ah cores in series. Battery pack with battery management system, with electrical protection functions (including over-current protection, short-circuit protection, overvoltage protection, under-voltage protection, over-temperature protection), make the battery in the long-term use process, maintain balance, and self-protection, ensure the long-term reliable operation of the energy storage battery system; He system has self-monitoring and friendly man-machine interface. Through the communication function, the parameters such as battery voltage and residual capacity can be monitored in real time, and the specific operating state of the battery can be displayed, including the current, voltage, SOC and related early warning information of the energy storage battery. Can also increase the control function according to customer requirements to meet the product requirements of customer requirements. The battery adopts advanced battery production technology, which has the characteristics of good consistency, high specific energy and long life, safety and reliability, and wide range of operating temperature.