• 7 stages of automatic charging: This is a fully automatic battery charger with 7 charging stages
• Automatic charging prevents overcharging of the battery. So you can leave the charger connected to the battery indefinitely
• The 7-stage charger is suitable for most battery types including calcium, gel, AGM, wet, lead-acid batteries. They may also help restore drained and sulfated batteries

Specification:

• Switchmode Technology: Yes
• Polarity Protection: Yes
• Output Short Circuit Protection: Yes
• Non-Battery Link Protection: Yes
• Over-voltage Protection: Yes
• Over temperature protection: yes
• Cooling method: fan
• Input voltage: 100-240V AC, 50-60Hz
• Rated output: 12V 7A
• Minimum startup voltage: 8.0V
• Battery range: 6-120Ah
• Thermal protection: 65℃+/-5℃
• Efficiency: about 85%