Of course you need more light to bike at night. Try mountain biking at night with 100 lumens -- and become intimate with a tree.
I know the BC30 has a low power indicator. Does anyone know if it also has over-discharge protection circuitry (useful for use with unprotected batteries)?castorcan Today, 06:52 PM
Not enough area to show the formula, but the correct answer is:
About that long.
As to lumen output, .3/ 40/ 120 works well
Not shown: J curve of post count vs desired rutime and S curve of post count vs desired CRI.
In all seriousness, I need more light. I'll