[Car Battery Tester] BM550 can test all 6V/12V/24V 100-2000CCA batteries including regular flooded, flat plate, spiral, or batteries. overall of batteries' health and help you know status in advance it dies. The test results based on Standard. [Display Extensive Batteries Data]Battery analyzer applied with the latest conductivity to measure, the tester will the battery and give you an test in. Including internal Resistance Test,Voltage Test,status of Healthy ( ), status of charge (SOC) and value test. [Fast and more than the 99.6% Accuracy]With the bulit-in intelligent microprocessor which makes test fast and , compared. The test results can be displayed within two seconds. [Plug and Play] BM550 Battery load analyzer allows you to test batteries both in-vehicle and out-of-vehicle, and even test dead batteries. Just connect the tester's clips with battery then it will turn on and to test and analyze battery. It's that easy [Safty and Protection]Deigned with polarity reverse connection protection.If the and negative poles are reversed, it 't damage the device or affect the car or the battery. Colour:As shown Material:Plastic + Metal Package Contents: 1 * Battery detector Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.