5.5mm/2.1mm DC Barrel Polarity Reversing Cable

AdafruitSKU: ADA5917
Sale price £3.90
incl. VAT
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Once in a while, we find products with center negative DC power jacks, and they really make us mad because who keeps around both positive and negative polarity versions of every voltage? Now, hopefully, USB Power Delivery will solve this long term, but until then, this 2.1mm DC polarity reversal adapter will have to do!

Usage is simple: plug into any 2.1mm/5.5mm DC plug (or jack!), and what was center-negative will magically swap to center-positive. Now, your guitar pedals, label printers, etc, will be able to use the common DC power adapters you have on hand.


  • 24AWG
  • ~15cm long


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