DUOYI DY2015A Car 12V 24V Digital CCA Load Battery Charging Digital Capacity Tester Features 1. It is used for activated style lead-acid storage battery, along with checking battery life time and the following conditions of the battery, starting up, charging, and electrical loading. 2. The larger the CCA value of the battery , the internal resistance is generally smaller. 3. The standard voltage is 9.6V. The test result is more than 9.6V???the boot system is normal. (Otherwise???the boot system is abnormal.) 4. If the voltage reading is less than 12.8V (For 24V system , the reading is less than 25.60V). Please check whether the generator belt is worn and the wire is short-circuited or not. 5. If the voltage reading more than 15.0V (for 24V system , reading more than 30.00V), please check the regulator 6. If the voltage reading is less than 13.3V (for 24V system , reading more than 26.60V), please check the connection point, wires and engine. Specification 1. Battery type: Lead- acid battery 2. Battery voltage: 224V 3. Battery range: 100-1700CCA 4. Voltage range: DC 9-35V 5. Battery Internal Resistance: 0-99m Ohm 6. Battery Status of Health(SOH): 0-100% 7. Battery Status of Charge(SOC): 0-100% 8. Operating temperature: -18~50 Celsius degree 9. Operating Language: English 10. Testing method: 4-wire Kelvin test connection 11. Display Battery Internal Resistance: Display ohms 12. Display Battery Voltage: Display volts 13. Display Battery condition: Goodokattentionreplace 14. Cable Length: 700mm 15. Dimension: 180x90x32mm