• This is a fully automatic battery charger
• Automatic charging protects your battery from being overcharged. So you can leave the charger connected to the battery indefinitely
• Smart chargers are suitable for most battery types including Calcium, Gel AGM, Wet, and Lead Acid batteries. They may also help restore drained and sulphated batteries
• Types of batteries: Most types of lead acid batteries include Calcium, Gel AGM, Wet, lead Acid, etc.

Specifications:

• Switchmode technology: Yes
• Polarity protection: Yes
• Output short protection: Yes
• Non-battery link protection: Yes
• Over voltage protection: Yes
• Over temperature protection: Yes
• Cooling: Fan
• Input voltage: 100-240V AC, 50-60Hz
• Rated output: 12V 
• Minimum start voltage: 8.0V
• Battery range: 2-150Ah
• Thermal protection: 65℃+/-5℃
• Efficiency: App. 85%