Inspects the post direction and quality by performing an air leakage test. After inspection, it stamps a serial code on the lid.
The operator places the lid and pushes the "START" switch. The testing head will automatically lower, press tightly on the holes on the battery cover and start applying positive or negative pressure. The testing head will retract automatically after the test. If the battery has not passed the test, the machine will trigger the alarm so that the operator can remove the NG battery. A code will be stamped on the approved battery lids after inspection.