We recommend the following alternatives:
Light and Motion Taz 1200 Bike Headlight $239.99This looks like a commuter bike light -- and it is. But the Taz 1200 is more than capable of taking you on trails far from any streetlights. Mounts to your bike handlebars. USB rechargeable.
Cygolite Centauri 1500 OSP Rechargeable Headlight
$299.99 $249.991500 lumens of bright light for nighttime trail riding. From 2 to 32 hours of run time. Bar & helmet mounts. Optimized Beam Pattern. Rechargeable Li-Ion battery. Battery pack mounts to bike frame.