Joined: Sep 2005
Posts: 3,550
Likes: 1
From: "The Last Best Place"
Bikes: 2005 Trek Pilot 5.0, 2001 Specialized Sirrus Pro, Kona Lava Dome, Raleigh hardtail converted to commuter, 87 Takara steel road bike, 2008 Trek Soho
Fenix L2D Q5. End of story.
It will give you results as good as any AA flashlight can is my guess no matter what mode you choose.