1. test for car 28-200 Ah batteries 2.Test Current: 0-1000A 3.Power Supply: AC380V,50HZ,30KW 4.digital disply Automatic Interior Resistance Testing Machine 1. Application: welding quality testing for car 28-200 Ah batteries2.Operation: Move the battery to worktable, step the foot switch, the detector will lower automatically, then adding the set current, test the welding point resistance, then ...