Description: This is a high quality switching ‘wall wart’ AC to DC 5V 2000mA USB Micro-B wall power supply manufactured specifically for SparkFun Electronics. These are switch mode power supplies which mean the output is regulated to 5V and the capable output current is much higher (2000mA).
These wall adapters are perfect for supplying power to many single-board computers like the pcDuino or the Raspberry Pi. Please note, this specific supply (5V/2A) is also FCC/CE certified and works with 100-240VAC inputs.
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I plugged this into a Raspberry Pi B+ soon after I received it, and it worked fine.
A couple weeks later, I plugged it in again. No light, no power. Tried several outlets that I know work. Still no light, no power.
I tried a Belkin 5v 2.1A USB power supply with a micro USB cable. That is working great.
So I’m puzzled as to why the supply isn’t working, when it worked out of the box.