ATD Tools 5490 12V Electronic Battery and Electrical System Tester ['REED' GoJak is the only way

GoJak is the only way to roll

taps for extra long life and improved performance

This wrench is ideal for jobs in close quarters and over-head applications

| Textured fingers for a secure grip| Polymer-coated to aid in quick and easy donning

ATD Tools 5490 12V Electronic Battery and Electrical System Tester ['REED' GoJak is the only waySpecifications battery test range (auto truck) greater than 390 to 1,400 CCA battery test range LED bar graph immediately displays battery condition upon pressing the test button. No conversion tables needed for CCA, SAE, IEC, EN, or Ah battery condition is shown in percent of capacity Low voltage indicator LED lights when charging is necessary. Bad cell is detected and displayed. Comfortable grip with easy to use clamps and tests discharged batteries