This simple circuit allows a 12V battery pack to be charged via a bike generator. The generator is rated at 3W and with this voltage multiplier circuit provides about 200mA at about 15km/h. A 12V ...

A lot of Kickstarter projects never get fully funded. Others that do never see the light of day. With the continued strain on gas prices, masses of commuters opting to pedal to work rather than sit in ...

If you’ve owned an electric bike, e-scooter, or other personal mobility device (and especially if you’ve owned more than one), you know they all have a charger that pretty much fits nothing else you ...

If there’s one thing I love as much as playing with batteries, it’s charging them up from the sun. And when it comes to my electric bikes, which are kind of outdoor toys by definition, being able to ...