Sure you could go buy a USB charger off the shelf, but what fun would that be? Try making one yourself with a little help from a 9V battery and a few extra components. This simple hack on a standard ...

My portable charger is probably the most useful piece of technology I carry with me, other than my phone. I am terrible about remembering to charge my phone until I’m stuck on a delayed subway at 7PM ...

As convenient as cell phones are, sometimes these power-hungry devices let us down right at the worst time. We’re talking about battery life and how short it is in modern cell phones. Sure that’s ...

[Glenn] from The Back Shed has built a lot of windmills and stationary generators over the years, but recently decided to try his hand at building something a bit more portable. The charger is based ...

Now that I've got the electric motor mounted in my 1967 VW Beetle, the conversion is picking up steam. I've got a used controller, and I'm ready to start mounting components. That leaves one key bit ...

If you’re looking for a neat DIY project this weekend, then this DIY 9V Battery USB charger could be a fun gadget to create. With only a few components, including a 9V battery, a female USB port from ...

Instructables has a step-by-step for building your very own Altoids tin USB charger (dubbed the MintyBoost). This is probably one of the most detailed projects I've seen on Instructables (and is a ...

With portable devices being a necessity in modern everyday life, they may be subject to overuse, improper charging, or normal wear and tear. For those people who carry around their smartphone or iPod ...