... control IC, and the non industrial frequency transformer switching power supply technology. Small volume, light weight, high efficiency. ... long time, suitable for assistant start-up power supply and complementary charge power supply such as the car, generator, etc. ... AC 500VMTBF≥ 50,000 hrs.Over Temperature Protection80°CDimension (L×W×H)200mm×165mm×70mmWeight2.0 kg 12V20A Adjustable DC Power Supply ...