The DIY project will charge most mobile devices via USB using 2 rechargeable AA batteries and flexible thin-film solar panels. Read to learn what you need to build your own!

Simply follow Sethaulton’s step-by-step Instructables walkthrough and before long you’ll be the proud owner of an incredibly unique Altoids tin portable USB charger. Happy building!

The tools needed include a soldering iron, solder, tin snips, a hot glue gun and some tape. Total estimated cost to assemble the DIY USB charger runs between $20-$30.

This Altoids tin charger won’t replace a traditional, high-capacity external battery pack, but it is a blast to build, recharges in the sun, and will ...

Last week we took a look at MightyMintyBoost, a solar-powered USB charger. If you liked the idea but can't count on the sun shining, this USB charger runs on the power of your bicycle pedals. Like ...