DealExtreme DC-DC boost converter review (LM2577) HD

youtube 10.03.2014

Is this $5.60 gadget from China able to charge a phone, or is the voltage (ripple) too unstable for it to work? Well, if you can live with the very loud and high-pitched coil-whine, then I would say it works great for charging a phone. Product link: http://www.dx.com/p/149681

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DealExtreme DC-DC boost converter review (LM2577) HD

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