Energy storage battery controlled by double BMS and having heating function

A double-BMS (battery management system) controlled energy storage battery with a heating function relates to the technical field of batteries and comprises a battery module, a heating module and a double-BMS control system, and two ends of the battery module are respectively connected with two ends of a load; the heating module comprises a heating device and a heating control module, the heating device is connected with the two ends of the load, the heating control module is arranged between the heating device and the load, and the heating control module is connected with the double-BMS control system; the dual-BMS control system comprises a first BMS and a second BMS, the first BMS controls a first switch module, the second BMS controls a second switch module, and the first switch module and the second switch module are both arranged between a battery module and a load. According to the utility model, a group of BMS is connected in parallel on the original BMS loop of the battery pack, and normal functions