Originally Posted by
daniell
I would like to purchase a flashlight and use it as a headlight. I like the fact that they have replaceable batteries, and I think are built better.
Fenix sells several bike lights that work well, are built well, and use standard-sized Li-Ion batteries that are easily replaced:
BC30 V2.0
BC26R
BC21R V3.0
I have the BC30 V2.0, and its "be seen" mode is one where the light cycles high/low between 600 lumens and 50 lumens at about 2 Hz. Multiple hours of use; I've never tested it to the limits of battery capacity.