BVA-200S Handheld Electrical System Analyzer w/ 120 Amp Load Features: Tests 6 And 12 Volt Batteries Tests 12 And 24 Volt Systems Stores Up To 200 Tests In Memory RS232 Port For Optional PC Adapter Automatically Removes Surface Charge Applies A Load During The Alternator Test Height: 8.00 Width: 11.25 Length: 18.50 Weight: 7.00 lbs