Cygolite Expilion 400 Usb Rechargeable Headlight with Quick Release Li-Ion Battery Stick and Wall Charger
State-of-the-Art Cree XPG LED technology supercharges the ExpiliOn’s brightness while the quick release internal Li-Ion battery stick gives riders the complete package: brightness for the trails, compact size for commutes, and the ability to swap batteries on-the-fly for extended run times. This handlebar mounted system features 7 lighting modes, USB charging, battery low indicator, for  optimum power and convenience on every ride.