Hydrogen Powered Fuel Cell Bicycle Light By Angstrom of Vancouver

Angstrom Power Inc. is a Canadian company develops and commercializes micro-structured fuel cells for a wide variety of applications. They currently offer such products as the pictured bike light, a standard micro-flashlight, and a general purpose charger.

"Angstrom's micro hydrogen™ bike lights can be affixed to a helmet or handlebars. Each bike light runs on hydrogen that is stored in a 21cc cartridge, which provides the equivalent energy of about 10 AA disposable alkaline batteries. The only by-product is water vapor.