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Electronic Specialties 500 amp Carbon Pile Load Tester Model 710
Meters are color coded for simple pass or fail diagnostics. The carbon pile load tester will perform variable load testing on 12 volt batteries rated as high as 1000 cold cranking amps. Use this battery tester to simulate actual cranking loads. Also tests alternator charging voltage and relative starter current draw. It features large dual meters to display the battery voltage and load current simultaneously during the test.