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9v DC - USB A to Male 2.1mm Barrel Jack Booster Cable

This fascinating cable has an integrated boost converter. It can be plugged into any USB A port from a computer, battery pack, adapter etc. On the other hand, with the support of the booster a higher DC voltage can be gained from a center-positive DC barrel jack of 2.1mm. It's a handy way to energize a 9v powered devices such as router, USB light, USB fan, LED TV, car purifier, mini speaker etc. It is made of beefy 22AWG wires of 100cm long.

Buy Here: https://echithi.com/item/?whichItem=562

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