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AutoMeter BT-400S Autogage 12V Heavy Duty Battery Tester 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. - 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/Truck): 1000 to 1700 CCA Battery Capability: Tests all types of 12V lead acid batteries Display: Alpha-numeric displays indicates % of available battery capacity and multi-colored bar graph shows battery condition Operating Voltage Range: 5.5V to 39.9V Capacity/Volts Display: LED- 3 digits Alternator Test: Tests and displays alternator ripple Reverse polarity protection: Yes Shipping Wt.: 1.25 lbs Warranty: 12 Months
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🇺🇸 Ship from USA · On Agora since 2026
$437.55