K3 Charger: Solar and Wind Power to Go
Imagine you’re lost in the woods, having wandered off the hiking trail. It’s looking like you may have to bed down on some pine needles with what’s left of the granola bars, when your
Imagine you’re lost in the woods, having wandered off the hiking trail. It’s looking like you may have to bed down on some pine needles with what’s left of the granola bars, when your
Imagine never having to plug your cellphone into the wall again! Now you can just plug it into your bike with Oscar L’Hermitte’s “Watts Maker” cell phone charger. The system