... of input voltage 3.Small volume, light weight, high efficiency DC12V Switching Power SupplyModel: AD1220CIntroduction:Battery charger / Full automatic charger use ... IC, and the non industrial frequency transformer switching power supply technology. Small volume, light weight, high efficiency. Combining with the intelligent charge ... L×W×H)200mm×165mm×70mmWeight2.0 kg DC12V Switching Power Supply