Cargo Bikes

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C4r1s

Has anyone hooked up supplementary side lighting to their (non-E) cargo bike? I’ve got dynamo front and rear which is great, but realised when sitting at a station looking side on at the home that it’s not wonderfully lit side on, and there’s quite a lot of space!

I know I could go battery, but wondered if it’s possible to hook up some low voltage led light strips to the same circuit

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M_A_X in reply to @C4r1s

I have, I did it by using an exposure head light as it supplies the rear light in DC, using a buck converter to step up the voltage to 12v.

Dynamos generate AC, so you'd have to use a bridge rectifier to convert to DC otherwise. I bought a couple from ali express to give it a go but never got round to it.. I'm not 100% or will work because of the low output of the dynamo and the losses in converting to DC

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Chaley in reply to @M_A_X

I used one of these https://www.toolstation.com/rechargeable-nicad-battery-pack/p58155
and a pair of 3.5v cob led drips 60mm long with 10 leds on each (We had some laying around at work) as marker lights on our old bike trailer. Worked pretty well and I borrowed the charger as well.
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C4r1s in reply to @M_A_X

Yeah I had this thought that it may be AC not DC and therefore need a rectifier. My Dynamo light is an exposure revo so it sounds like I could possible splice in an additional spur to power the side lights?

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