Electronic Specialties Inc. 710 500 Amp Carbon Pile Load Tester Electronic Specialties Inc. 500 Amp Carbon Pile Battery Tester #710 Features The 710 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. The 710 features large dual meters to display the battery voltage and load current simultaneously, during the test. 500 Amp adjustable load carbon pile Tests batteries rated as high as 1000 CCA or 160 Amp hour 15 second test with audible tone Can also test alternators, regulators and starters 500 amp side terminal clamps and heavy duty stranded copper cables Meters are color coded for simple pass or fail diagnostics Includes temperature compensation chart FREE SHIPPING in the USA!