Product Features: Suitable for charging storage batteries of motorcycles, automobiles and ships. High-current platinum contact switch Superior, long life changeover switch Low internal resistance & high output current Overload protector: no hassle of changing output fuse Product Specification: Input Voltage(50/60HZ): 220V 1PH Max Power(KVA): 0.6 Charge Current(A): 30 Charge Voltage (V): 12 / 24 Rates Reference Capacity(A/H):Ah 15h 10-500 Current Regulation Levels: 6 Product package: Net Weights: 17KG Gross Weights: 21KG Size(MM): W440 x D280 x H280 Quantity for 20'GP: 735 PCS Quantity for 40'GP: 1647PCS Quantity for 40'HQ: 1911PCS