Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece of cardboard. This step-by-step tutorial covers mounting the motors, wiring ...

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 ...

Looking for some new Android wallpapers? Here's the Android Authority Wallpaper Wednesday roundup for February 11, 2026.

Abstract: Recently, there has been a growing interest in using chargers to extend the operational longevity of UAVs (drones). In this paper, we explore a charger-assisted drone application where a ...

CUKTECH's latest power bank delivers 65W output in a 10.8 oz frame. It charges laptops and iPhones while monitoring stats on a color screen.