• 3 stages of automatic charging: This is a fully automatic battery charger with 3 charging stages
• Automatic charging protects your battery from being overcharged. So you can leave the charger connected to the battery indefinitely
• The 3-stage charger is suitable for most battery types including calcium, gel, AGM, wet 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 8A, 24V 4A
• Minimum startup voltage: 2.0V
• Battery range:  6-150Ah
• Thermal protection: 65℃+/-5℃
• Efficiency: about 85%