powers on and automatically says check serial connection. have done no further testing.
Midtronics GR8 GR-8B Charge Engine Tested Working!
Midtronics GR8 Battery Diagnostic Station Replacement Control Unit Dock Mount
Midtronics GR8-B Exp-1200 Combination Battery Tester Gr Charger Analyzer
Midtronics GR8-B Exp-1200 Combination Battery Tester Charger Analyzer
Midtronics Gr8 Battery Cables
Midtronics Gr8 Battery Tester Charge Supply Unit
