Tag: battery
A brief history of bicycle lighting
Updated and expanded: a brief history of bicycle lighting, from candle lamps to LEDs.

LED headlight update
Additions to the page about LED headlights — lots of new information, about why lights which are well-designed for nighttime use can be good as daytime running lights, but some that are impressive in daylight don’t do so well at night; about ultra-cheap lights, how to make them pay for themselves adn which kind is preferable; installation and adjustment.
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Riding with RidewithGPS
New article on riding with the RideWithGPS app. What you need to know to get started: mounting your phone, keeping it charged, downloading routes, and recording your rides.
Choosing a bicycle headlight
Just in time for standard-time winter commutes — an article about choosing a headlight for your bicycle!
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Isvan on Power Management
Osman Isvan has written a paper, Power Management for Lightweight Vehicles, and has been kind enough to send it for posting on sheldonbrown.com. Isvan gives special attention to how to make the most efficient use of electrical-assist power. His conclusions are probably not what you expect!