Training of electrical devices of Tehran industry How to use a battery tester or two-hand dynamo How to use a battery tester or a single pointer dynamo How to use the 500 amp digital battery tester Introducing the mechanical battery charger for 12 to 24 batteries Introduction and working method of class 6000 starter charger Introducing the class 3000 12 volt starter charger How to use the battery tester 12 volt 500 amp permanent work semi-automatic How to use the 500 amp digital battery tester or warranty test device
