SUNER POWER Digital 12V Car Battery Tester Automotive Battery Load Tester and Analyzer of Battery Life Percentage,Voltage, Resistance and CCA Value for Flood, Gel, AGM, Deep Cycle Battery Test and analyze battery load system, indicating battery condition include Battery Life Percentage, CCA , Battery Voltage,Battery Resistance in case of any unexpected shutdown. Continuous test with battery power, no damage to battery, and the reverse polarity and over voltage protection make it to be ultra safe. Complete wide CCA test range (5-9555), offer reliable and accurate operation for more sized batteries. Great Compatible with Flood battery, AGM battery, Gel battery, Deep Cycle Battery, work fast and precisely. Come with large LED screen and heavy duty clamp, and beep remind function make it to be more durable and reliable. AGM Gell Cell Flood Mairne Deep Cycle CCA: 100-9999 SAE: 100-2000 EN: 100-2000   IEC: 100-1300 DIN: 100-1500