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USL-605 E-Lume Headlight

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Why We Like The USL-605 E-Lume Headlight

Serfas' USL-605 E-Lume Headlight is for lighting our way we're weaving through the urban jungle or trying to beat out the sun on a weekend bikepacking trip. It features a maximum of 605 lumens and up to 80 hours of runtime for reliably bright and long-lasting use. We can switch easily between solid and flash modes and, when the low battery indicator glows red, charge up the integrated USB rechargeable battery.


  • A solid headlight for navigating at dusk and in the dark
  • The extruded aluminum body is durable and stands up to wear
  • Integrated USB rechargeable Li-ion battery runs up to 80 hours
  • Solid and flash modes light our way with the best-suited setting
  • 605 lumens of output for a well-lit ride
  • Item #SRFM09D
Power Source
USB rechargeable
Batteries Included
overdrive, high, medium, low, daytime flash, low flash
[overdrive] 605, [high] 400, [medium] 200, [low] 100, [daytime flash] 605, [low flash] 100
Burn Time
[overdrive] 1.75hr, [high] 2.75hr, [medium] 4hr, [low] 8hr, [daytime flash] 80hr, [low flash] 25hr
Manufacturer Warranty
limited lifetime
commuting, cross-country, road cycling