1. Microprocessor Control (CPU). 2. Automatic charging protects your battery from being overcharged. So you can leave the charger connected to the battery indefinitely. 3. 7-stage chargers are suitable for most battery types including Calcium, Gel , AGM, Wet , Lithium, Lead Acid, LiFePo4 batteries. They may also help restore drained and sulphated batteries. 4. Switchmode technology: Yes 5. Polarity protection: Yes 6. Output short protection: Yes 7. Non battery link protection: Yes 8. Over voltage protection: Yes 9. Over temperature protection: Yes 10. Cooling: Fan 11. Input voltage: 100-240V AC, 50-60Hz 12. Rated output: 12V 6A 24V 3A 13. Minimum start voltage: 8.0V 14. Battery range: 6-120Ah 15. Thermal protect: 65+/-5 degree Celsius 16. Efficiency: App. 85%.