6V & 12V Car Battery Tester ➤ BM580 Automotive battery tester works on all 6V and 12V 100-2000 CCA 2AH-220AH batteries, including regular flooded battery, EFB battery, GEL battery, AGM wound battery, AGM flat battery. Suitable for cars, motorcycles, trucks, RVs, ATVs, SUVs, boats, yachts, mowers and even golf carts. ( The test results based on CCA, IEC, EN, DIN, CA, BCI, MAC, SAE, GB and JIS Standards.)

Reliable Battery Analyzer➤ Compare to other 12V battery testers, BM580 is equipped with high quality and sensitive electrical components and heavy duty clamps, providing a fast and convenient test with 99.99% accurate results displayed on the backlit screen LCD in seconds. Adopts a large color screen and rugged design, which is eye-friendly and easy to read even in direct sunlight.

Andvance Voltage Waveform Function➤ JDIAG is the only auto battery tester manufacturer that can catch the voltage changing and show the waveform into graphing, up to 10 points in one second, helps to track the real-time voltage to find the battery issue. Even can be uploaded to computer compare them to analyze the in-car system.

Battery Cranking& Charging System Test➤ With this battery tester, you can check the overall health of the battery including the cranking test, and run a complete system charging test. Cranking test helps you test and analyze the starting motor to check it works properly or not, and the charging test is to check the charging system status to avoid damaging the battery because of overcharge or incomplete charge. It's much more convenient than driving miles to find the nearby auto repair shop.

Intelligently Reverse Polarity Test➤ 6V 12V battery load tester as a special function of intelligently identifying the positive and negative poles of the battery. Regardless of "+"and "-" connections of the battery, the tester can work normally. There is more convenient to use, don't worry about damage to the battery tester caused by connecting the wrong copper clip.