Zhongzhi Testing Instruments' high-precision battery cover multifunctional test bench is a battery pressure loading test equipment, which is mainly used to detect the operating status of the battery cell explosion-proof valve, pressure leakage, flip plate operating status and flow valve pressure leakage, etc. During the test, a stable pressure or a sudden pressure change is applied to the inside of the battery cell, and the test data and the status changes of each tested part are recorded in real time.