HY4245-AK02 series hardware development tools, mainly composed of USB Control Box and Target Board, can be used in HY4245 series two-cell lithium-ion battery applications, after connecting with PC, through the special EVM software of HY4245 gauge products, it can perform calibration, data RAM information reading, data recording and other actions, through the setting of each page of data flash, it is convenient for engineers to design the battery individually and test the overall function of HY4245.