1. Microprocessor control (CPU). 2. 3-stage automatic charging: 3. This is a fully automatic battery charger with 3 charging stages. 4. Automatic charging prevents the battery from overcharging. Therefore, you can connect the charger to the battery indefinitely. 5. Level 3 charger is suitable for most battery types, including calcium, gel and AGM, wet batteries. They can also help restore exhausted sulfuric acid batteries. 6. Battery type: Most types of lead-acid batteries, including calcium, GEL and AGM, wet, EFB, etc. 7. Switch mode technology: yes 8. Polarity protection: yes 9. Output short circuit protection: yes 10. Non-battery link protection: yes 11. Overvoltage protection: Yes 12. Overheat protection: Yes 13. Cooling: fan 14. Input voltage: 100-240V AC, 50-60Hz 15. Rated output: 12V 8A 24V 4A 16. Minimum starting voltage: 2.0V 17. Battery range: 6-150Ah 18. Thermal protection: 65 degrees Celsius +/- 5 degrees Celsius 19. Efficiency: application. 85 degrees. 20. Meet the standards: CB, CE, IEC60335, EN61000, EN55014 21. Dimensions (length x width x height): 170×98×58mm 22. Weight: 560g