Lithium battery pack is widely used in electric vehicles, energy storage systems, drones and other fields. In the field of electric vehicles, the lithium battery pack is the core of the vehicle energy storage system, which directly affects the performance and driving range of the vehicle. In the field of energy storage systems, it is widely used in renewable energy storage products such as solar power generation and wind power generation. In the field of the drones, the lithium battery pack provides power support for the equipment, supporting the intelligence and convenience of these devices.