Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 24986

Front, rear, and side lighting for your bike as well as helmet lights. Incandescent and LED lights. Dynamo hubs, rechargeable batteries, and step-down circuits from ebike batteries are also included as long as they result in the production of light.

2 votes
1 answer
1k views

How to replace a bottle dynamo with batteries

I have a bike using a bottle dynamo. It works ok but I just use the light when it's absolutely needed because the dynamo really slows down the bike. I would like to make the bike run with batteries, …
kiwi's user avatar
  • 147
2 votes

How to replace a bottle dynamo with batteries

I solved this by attaching a USB connector to the existing light circuit, and power everything with a cheap cellphone power bank. You just need a USB (possibly broken) cable whose "computer" end is wo …
kiwi's user avatar
  • 147