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 ...

Forget fumbling with cables or hunting for batteries – TILER is making electric bike charging as seamless as parking your ride. The Dutch startup recently introduced its much-anticipated TILER Compact ...

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 ...

As far as electric vehicles go, electric bicycles are famously energy-efficient. Most can easily travel 100 miles (160 km) on around $1 of electricity. But what if instead of paying for that ...

Citi Bike’s plan to roll out 4,000 new pedal-assist electric bikes this spring hit a speed bump over the weekend when some of the batteries that power them caught fire. Firefighters responded to a ...