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 ...

Chances are, you have some old mobile phone chargers lying around the house with non-USB pins. Instead of junking it, Martin Melchior shows us how to attach USB ports and give those chargers a new ...

Discover how to build a portable DIY solar charger for your smartphone using simple materials like copper foil tape, a micro-USB cable, and hot glue. This step-by-step tutorial guides you through each ...

Discover how to transform everyday objects into useful energy devices in this exciting DIY science project. Learn step-by-step how to build mini generators from recycled DC motor components and create ...

The power's out, your cell phone's dead. What do you do? Grab your cordless drill and head to the kitchen, of course. Unroll a few sheets of aluminum, find the mixing beater and a wooden fork, pool ...

If your Android phone or iPhone doesn't start charging when you plug in the cable, try this before you spend any money. When he's not testing the latest phones or phone cameras, Andrew can normally be ...

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 ...

You know those hand-crank flashlights that seemed to be all the gift-giving rage this past holiday season? Surprisingly, these hand-cranks can be modded to charge a ...

To make this all-in-one wind turbine power bank, round up an old CPU fan, an old phone battery (or a 18650 cell), a small switch and a bike support element. Also, get some tools ready, including a ...