Model Number: DY219Type: Vehicle Battery TesterBattery voltage: 12VBattery range: 3AH~250AH12V system test voltage: DC 9-18VSpecial Features: Car battery testBattery type: Lead-acid batteryMaterial Type: Plastic& MetalBattery status of health: 0~100%Battery conclusion: Good/OK/Attentionn/ReplaceStandard of optional storage battery: CCA, IEC，EN,DIN, JISBattery range1:100-170OCCAThe battery tester is used for lead-acid starting battery & checking the conditions of the battery/starting up/charging/loading.With great design/easy operation/precise reading/complete functions, this tester supply the readings by a large LCD and hints by sound and light when testing.Utilizing 4-wire Kelvin method to complete collection of a series of complicated datato calculate every testing data with build-in precise circuit and improved digital processor.Some circuit improvements, including polar reversal protection/over voltage input protection/loose lead detection, ensure safety and convenience during testingPackage include:1* Storage battery tester1* User manualNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-3mm measuring deviation due to manual measurement.