Features: Wide Application: Ideal for charging AGM, GEL, SLA, Flooded(WET), VRLA, Calcium type deep cycle automotive or marine 6Ah-120Ah 12V battery; such as car, motorcycle, law mower, boat, RV, SUV, ATV etc. 7-stages charging process: Desulphation, Soft Start, Bulk Charge, Absorption, Battery Test, Recondition and Float). Fast charging, stable performance and high reliability. Backlit LCD display, the battery charger clearly and visibly shows charging status and battery status. Automatic charging protects your battery from being overcharged. So you can leave the charger connected to the battery indefinitely. Types of batteries: Most types of lead acid batteries including 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 AC cable length: 60cm, DC cable length: 60cm. Input voltage: 100-240V AC, 50-60Hz Rated output: 12V 7A Minimum start voltage: 8.0V Battery range: 6-120Ah Thermal protect: 65 C+/-5 C Efficiency: App. 85%. Compliant standards: CB,CE, IEC60335, EN61000, EN55014