Online emergency aid system for delayed battery of storage battery pack and working method thereof

The invention discloses an online emergency aid system for a delayed battery of a storage battery pack and a working method thereof, and relates to the field of electric power electronic technology. The storage battery pack is a serial storage battery pack connected with a load and a switching power supply, and the online emergency aid system for the delayed battery of the storage battery pack comprises a plurality of charging modules in one-to-one correspondence connection with storage batteries in the storage battery pack, a voltage collection module and a current collection module, output ends of the voltage collection module and the current collection module are connected with an input end of a control module, and the output end of the control module is connected with the plurality of charging modules. By adopting the online emergency aid system for the delayed battery of the storage battery pack and the working method thereof provided by the invention, the problem that the delayed battery occurs in the s