Discover how to make a homemade battery capable of charging your smartphone using simple materials like copper foil, aluminum foil, and saltwater. This step-by-step DIY battery project demonstrates ...

Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...

We've already shown you MintyBoost, a battery-powered USB charger built from an Altoids tin; now feast your eyes on MightyMintyBoost, a rechargeable, solar-powered MintyBoost charger. Instructables ...

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 ...

As a "maker" n00b, I can’t express how awesome it is to build a homemade solar-powered iPhone charger. The little 2W solar panel currently sits in the window of my west-facing home office (more on ...

Aired (November 22, 2020): Worried about losing battery and you don't have any charger? Watch this video as Chris Tiu shows us how to make the easiest circuit for a do-it-yourself battery charger in ...

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 ...

[Steve Chamberlin] has a spiffy solar-charged 12 V battery that he was eager to use to power his laptop, but ran into a glitch. His MacBook Pro uses Apple’s MagSafe 2 connector for power, but plugging ...

If you would like to add a solar panel to your favourite backpack or bag, you may be interested in a new tutorial published on the Adafruit website. This detailed guide explains how you can boost the ...

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 ...

Arduino enthusiasts and makers searching for a new project to keep them busy this weekend may be interested in a new DIY Arduino Nano multimeter created by YouTuber Electronoobs. Using a small OLED ...