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USB to 2.1mm Jack cable with 12V DC-DC step-up PSU

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$1.11 $1.66 In stock

Category: Adaptors

A USB to 2.1mm DC jack cable with a built-in DC to DC step up converter which will convert the 5V DC voltage supplied by a USB socket up to 12V DC at the jack socket. This makes the cable useful for powering electronics and projects from a standard USB port or charger where 5V is insufficient voltage.

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Express Shipping · United States: $3.99

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Customer Reviews (4.8 / 5 · 5 reviews)

Chloe ★★★★★

I was pleasantly surprised this little cable actually delivers a steady 12V—my old webcam that kept dropping out is now working perfectly. The step-up converter is neatly built into the cable itself, so there's no bulky extra box to hide behind the desk.

James ★★★★★

I've been using this to power a small LED strip that needs 12V, and it works perfectly straight from my laptop's USB port. The built-in step-up converter is impressively compact and doesn't get hot at all.

Claire D. ★★★★★

Plugged this into a USB power bank to run an old router during a power cut, and it worked perfectly. The 12V output is stable and the built-in converter means no extra bulky adapter needed. Really handy for powering small devices away from a wall outlet.

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