1. Adopt microprocessor control (CPU) 2. This is a fully automatic battery charger with 7 charging stages. 3. Automatic charging protects your battery from overcharging, so you can keep the charger connected to the battery indefinitely. 4. The seven-level charger is suitable for most battery types, including calcium batteries, gel AGM batteries, wet batteries, lead-acid batteries. They can also help restore depleted and sulphated batteries. 5. It has multiple charging safety protections, polarity protection, output short circuit protection, non-battery link protection, overvoltage protection, over temperature protection, etc. 6. Switch Mode Technology: Yes 7. Input voltage: 100-240V AC, 50-60Hz 8. Rated output: 12V 10A / 24V 5A 9. Starting voltage (min.): 8.0V 10. Battery range: 6-180Ah 11. Efficiency: 85% 12. Product size: 175×90×67mm 13. Product weight: 570g