ELECTRICAL SYSTEM TESTER, 12/24V 500A DIGITAL by G2S

Test batteries up to 1000 CCA; Interprets data from the charging/starting system on easy-to-read LCD displays; Shows positive and negative amps for easy diagnosis of current leakage problems; 0-500 Amp variable carbon pile load tester; Unique curved carbon discs ensure maximum contact, fewer hot spots, smoother operation and longer life; Heavy-duty single extruded leads for testing up to 15 feet apart; Test electrical systems on 12/24 Volt systems; Test all battery types; Ideal for testing remotely mounted batteries accurately