How e-bike lights work and how to look after them
How e-bike lights work, in plain terms
Ebike Lighting Notes explains where an e-bike light gets its power, what the numbers on the box mean, and what reflectors and wiring are for. It points to makers' manuals and official road rules instead of guessing.
Every lighting note
How e-bike lights are poweredDoes your e-bike light run off the main battery, a small cell of its own, or a dynamo? Here's how to tell, and what a maker's guide says.
Integrated lights versus clip-on lightsWhat separates lights wired to the e-bike from lights you add yourself, and the questions worth asking before you pay for either type.
Lumens, lux and beam patterns explainedWhat lumens, candela and lux measure on a bike light's box, why one number can mislead, and how a beam pattern changes what you see.
Beam standards such as StVZO and what they coverWhat a bike light standard such as Germany's StVZO K-mark asks for, how other countries differ, and where to find the rules for your own country.
Reflectors and other visibility parts on an e-bikeWhich passive parts an e-bike comes with, how a reflector works without power, and what official sources like the UK Highway Code say about them.
How front and rear lights are wired to the bikeWhere light cables run on an e-bike, how light ports and splitters differ, and what a maker's guide says about connectors, rear lights and fitting.
Where to find lighting rules for your country or stateWhat official road rules say about lights on an e-bike varies by place. Here's how to find your own rules, with UK and Australian examples.