1.controlled by micro chip.digtal display 2.all protection design inside 3.high efficiency >96% 4.compact size and nice 1.the output current continours adustable.2.adopt the technology of temperature control unlimited3.automatic current balance4.2U height, light heavy ,the power density very high5,over load,short cut, all the waring.all fault display on LCD.6,can set up all the parmeter by button ...