A standard part of travel kit for the 2020s is now a battery pack — a hefty lithium-ion cell with onboard electronics for USB charging, that ensures all of our devices stay topped up while we’re out ...

If you are looking for a 3D printing project to keep you busy over the next couple of weekends, you might be interested in this awesome 3D printed hand crank generator that is capable of producing 30W ...

[Glenn] from The Back Shed has built a lot of windmills and stationary generators over the years, but recently decided to try his hand at building something a bit more portable. The charger is based ...