Input voltage 220 V Output voltage 12 / 24 V Charging current 40 / 50 A Max charging current 70 A Functions - normal charge, quick charge(boost), quick start Starting current 300 A Charging input power 1200 W Starting input power 8500 W Battery capacity 50 - 700 Ah Protection grade IP20 Automatical thermistor protection Dimensions 440 x 330 x 720 mm Weight 18 kg CE conformity