Entry level 12V battery/system tester is safe, fast and simple to use. Product Features:Battery test range: 100-1400 CCAAccurately tests discharged batteriesDisplays measured battery voltage and condition LEDReverse polarity protectionDisplays measured battery voltage, measured CCA battery condition LED, starting/charging system condition LEDIncludes tester with integrated cablesTests conventional lead-acid batteries only. For AGM & Gel testing, check other Midtronics models.