Model B300
12V Electronic Battery System Tester

The B300 features a testing method that does not require the battery size to be entered into the unit. Simply choose between automotive, truck battery or small automotive type batteries for testing. Eliminates tester input errors and allows the testing of batteries of unknown size. Unit can test batteries as low as 5% state of charge and still give accurate readings. 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 % of capacity.
  • Uses conductance technology
  • Tests 12V starting/charging systems (Voltmeter Mode).
  • Tests both flooded lead acid including AGM and Gel tteries.
  • Multi-colored bar graph displays battery condition.
  • Low voltage displayed when charging is necessary.
  • Bad cell is detected and displayed.
  • Comfortable grip with easy to use clamps.
  • Tests discharged batteries
  • Patented circuitry.
  • Reverse polarity protection
  • Made in USA