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 ...

Once a portable charger runs out of juice, you have to find an outlet to repower it. Solar power banks, however, help you avoid that problem — they can be repowered by the sun. Like solar chargers, ...

Add Yahoo as a preferred source to see more of our stories on Google. Heading for the great outdoors? Make sure you've got some backup power for your phone, drone, camera, Kindle and other devices. Ah ...

In today's world, staying connected to our devices is more important than ever, whether for school, work or just having fun. But imagine a situation when you are out and your phone or tablet battery ...