... voltage 3.Small volume, light weight, high efficiency 12V20A Adjustable DC Power SupplyModel: AD1220CIntroduction:Battery charger / Full automatic charger use the best ... as control IC, and the non industrial frequency transformer switching power supply technology. Small volume, light weight, high efficiency. Combining with ... (L×W×H)200mm×165mm×70mmWeight2.0 kg 12V20A Adjustable DC Power Supply