Features 1. Fast and reliable performance with advanced chipset hardware 2. Accurate test results using high-precision amplifier and calibrated with professional battery testing tool; reading accuracy up to 99% 3. Wide testing range from 1002000 CCA, 3220 Ah, among the best in the market 4. Real-time graphical battery voltage monitoring for more accurate battery data analysis DY220B Functions 1. Identify battery status as Good or Replace 2. Check battery capacity Cold Cranking Amps (CCA), DIN, EN, and IEC ratings relative to battery specifications 3. Check internal resistance value (Ohm) 4. Display battery life in percentage 5. Battery cranking test and load test 6. Battery charging test and ripple test 7. Supports battery ripple test and review of test data Unique battery results display in percentage and meter mode Tests all automotive cranking lead-acid batteries, including standard lead-acid, flat plate, spiral, and gel batteries Material: PC Color: as shown Package Contents: 1 x DY220B Car and Motorcycle Battery Tester Note: Light reflection and different displays may cause the color of the item to appear slightly different from the actual product. Measurement error allowance is +/- 13 cm