GET THE BATTERY TESTER HERE ( AMAZON ) amzn.to/4fHII63 KINGBOLEN BM580 6V 12V Car Battery Tester, 100-2000CCA Voltage Tester, Precision Digital Auto Battery Analyzer, Loading/Charging/Starting System Tester for Cars SUV ATV Boats Motorcycles Vehicle BrandKINGBOLEN Power SourceBattery Powered StyleDigital Item dimensions L x W x H5.67 x 3.08 x 0.79 inches Min. Operating Voltage6 Volts Measurement TypeMultimeter