Battery Powered USB Travel Charger

Battery powered devices are all around us in daily life and we always face with low charge problems which lets us down in the middle of the day. Especially phones, music and video players, e-book readers etc. Sometimes we can’t find a mains source to plug an AC adapter or an USB port of a computer. In those cases, the battery powered USB travel charger comes to aid. It can be powered by two or three AA or AAA size batteries which you can find easily or carry with you while you are mobile.

This article provides all the steps of the design and the manufacturing process of DIY Battery Powered USB Travel Charger project.


Source: Electro-Labs

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