Description Powerful Battery Health Test The BAS100 battery tester is suitable for all 12V and 24V batteries with 100 to 2000 CCA, such as regular flooded, AGM flat, AGM spiral, GEL and EFB, widely used in cars, motorcycles, Boats, trucks, ATVs, etc. Battery standards include CCA, BCI, CA, MCA, JIS, DIN, SAE, etc. Provides comprehensive analysis of battery health to help you understand the status of your battery. Crank and Charging System TestThis battery tester can help you check the overall health of your battery, including charging test and crank test. Charging test can help you check the status of the charging system to avoid damaging the battery. The cranking test helps you test and analyze the starter motor to check if it is working properly. [Clear display of overall battery data] This load tester provides you with basic battery parameters such as voltage, internal resistance, battery health and charging status, and displays the test results. You can decide whether to replace or recharge the battery based on the test results, helping you understand in advance. Battery status to prevent possible battery failure. This battery tester is your best choice. [High Accuracy, Fast Testing] A highlight of the BAS100 12V battery tester is its powerful APM32 chip, which, combined with advanced conductivity testing technology, can quickly analyze data and provide more than 99.5% accurate test results within milliseconds, greatly improving communication with Test speed compared to other battery testers Safety Design and ProtectionDesigned with reverse polarity protection, if you accidentally connect the two wires reversely, please dont worry, this best car battery tester will not work at this time to prevent the internal circuit from burning out, Avoid damaging the device or affecting the car or battery. Easy-to-use plug-and-play designThe design of this battery tester 12v is simple and convenient, you only need to correctly connect the battery testers clip to the car battery to start working, whether the battery is in or out of the car . The battery can be tested outside the vehicle or on a dead battery.