Supply DC Power Jack, DC bus DC POWER Jack, examples of free samples include conventional DC power outlet models DC002, DC003, DC003A, DC005, DC005B, DC011, DC012, DC013A, DC015, DC017, DC022, DC023, DC025, DC025M, DC044, DC049, DC005C, DC098, DC033, DC031A, DC019, DC018, DC021, DC013, DC006, DC009, DC016, etc. .