AutoMeter BT-300S Autogage 12V Battery Tester

AutoMeter BT-300S Autogage 12V Battery Tester   The BT-300S 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.    - Battery Condition is Shown in Percentage of Capacity - Uses Conductance Technology - Tests 12V, 24V, & 36V Starting/Charging Systems - Tests 42V Mild Hybrid Starter/Charging Systems - Tests 6 & 12V Batteries - Multi-Colored Bar Graph Displays Battery Condition - Low Voltage LED Lights when Charging is Necessary - Bad Cell is Detected and Displayed - Reverse Polarity Protection - Made in USA Specifications Battery Test Range (Auto): 390 to 749 CCA Battery Test Range (Truck): 750 to 1200 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: Alpha Numeric Bar Graph: 10 color-coded LEDs Shipping Wt: 1.85 lbs Warranty: 12 Months