STEELMAN 97283 Black Digital Battery Charger/Starter/Analyzer 3 LED display in green, yellow and red Applications: 12 volt Operating range: 200 to 1200 cold cranking amperes (SAE), rating system: SAE, DIN, EN, IEC Test discharged batteries down to 1.5 Volt, Voltmeter reads from 1.5 Volt to 15 Volt Tolerance: Cold cranking amperes: less than +/-10 percent, +/-0.1 volt, Resolution: 1 Cold cranking amperes