1. 12V cranking lead acid battery test 2. 12/24V charging or cranking system test. 3. Display battery capacity, voltage, resistance and life 4. Four-termina Kelvin test 5. 10 types of battery standards. 6. Language option (Chinese/English) 7. Test without battery disassembly 8. LED color indication for test result (UT673A). 9. Print on-line and real-time test reports (UT675A) 10. USB data transfer (UT675A)