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2.1mm Plug/Jack to Screw Terminal Block – Male

 If you need to connect a battery pack or wired power supply to a board that has a DC jack - this adapter will come in very handy!

  • 2.1mm DC plug on one end
  • Screw terminal block on the other. 
  • The terminals are labeled with positive/negative assuming a positive-tip configuration (which is the most common)