BATTERY TESTER, 12V HEAVY DUTY, AUTOGAGE

The BT-400S tests 12V heavy-duty, auto, truck, commercial, and marine batteries as well as 12/24 Volt starter and charging systems. Battery size is not required to be entered into the unit. Simply choose between automotive or truck battery type batteries for testing. Eliminates tester input errors and allows the testing of batteries of unknown size. LED bar graph and numeric LCD display immediately indicate battery condition upon pressing the TEST button. Includes 4 ft heavy-duty abrasion resistant cables for vehicles with hard to reach battery compartments.

Specifications
Battery Test Range (Auto/Truck): 1000 to 1700 CCA
Tests all types of 12V lead acid batteries
Alpha-numeric displays indicates % of available battery capacity and multi-colored bar graph shows battery condition
5.5V to 39.9V operating range
Capacity/Volts Display: LED- 3 digits
Tests and displays alternator ripple 
Reverse polarity protection