Craft & Design Technology
Portable USB charger will make you never miss a beat

Here’s a cool how-to on building a portable USB charger for your gadgets. We’ve covered similar builds like this on Make before, but this one has a good parts list and walks you through each step of the build with attention to detail. This kind of thing is handy when you need to charge your gear and are nowhere near a laptop or a MintyBoost. Just don’t use this charger indiscreetly when flying on an airplane.

How to Make a Portable USB Charger