The BT-300 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.

Specifications
Battery Test Range (Auto/Truck): 390 to 1400 CCA
Battery Test Range (Small Auto): 100 to 390 CCA
DC Voltage Range: 3.9V to 19.9V
Voltage Accuracy: +/- 2% of reading
Capacity/Volts Display: LED- 3 digits
Bar Graph: 10 color-coded LEDs