How about a SL ProPolmer 2AA LED for $17.95 @ BrightGuy? 18hrs. @ 25 lumens with a tightly focused beam. My .02 FWIW.
The Streamlight ProPolymer 2AA LED flashlight has a tightly focused beam and convenient tailcap switch for momentary on and constant on/off. With a bright 30,000 hour LED, Streamlight 2AA LED ProPolymer is more cost-effective than a conventional flashlight because you won't need expensive replacement bulbs.
Features of Streamlight ProPolymer 2AA LED flashlight:
- 0.5 watt bright 30,000 hour high flux LED; no need for replacement bulbs
- corrosion and impact resistant
- waterproof and O-ring sealed (not dive rated)
- powered by 2 ea AA alkaline batteries, included
- up to 18 hours of run time
- unbreakable polycarbonate lens with scratch resistant coating
- integrated pocket clip
- limited lifetime warranty from Streamlight
- assembled in USA
Safety Ratings for Streamlight 2AA ProPolymer LED:
UL Listed
Class I, Div 2, Groups A, B, C, D
Class II, Div 2, Groups F&G
Class III, T4C