DEVICE AND METHOD FOR DETECTING SECONDARY BATTERY OF UNINTERRUPTIBLE POWER SYSTEM

A device for detecting a secondary battery of an uninterruptible power system contains: a main battery module and at least one sub battery module. The main battery module includes a first power storage unit, a first detection unit, a first processing unit, a communication unit, and a first data transmission unit. The first power storage unit includes multiple first battery assemblies connected in series, and a respective first battery assembly has at least one secondary battery. The first detection unit includes multiple first detectors. The first data transmission unit includes a first one-way transmit port and a first two-way transmit port. The sub battery module includes a second power storage unit, a second detection unit, a second processing unit, and a second data transmission unit. The second power storage unit includes multiple second battery assemblies connected in series. The second detection unit includes multiple second detectors.