In recent years, there has been a marked increase in the number of battery-operated small form factor devices such as tablet PCs, handheld video games, standalone movie players, digital photo frames, ...

Solar energy is an attractive energy source for powering portable devices. For some time, it has been widely used in applications like calculators and spacecraft. More recently, solar power is being ...

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 ...

For DIY enthusiasts in the green energy community, homemade lithium-ion battery packs have long been a holy grail. For everything from home solar energy storage to garage-built electric bicycles, ...