Serfas True 1000 Headlight

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Serfas True 1000 Headlight

The Serfas True 1000 Headlight has an external battery pack so that you can mount the head unit on your helmet and not have the weight of the battery there. This is also helpful when mounting the head unit on your handlebars; save space by mounting the battery lower on the frame.

The head unit has high performance Cree LEDs and a precision optical lens in a CNC aluminum alloy body. Ram-air cooling keeps the head cool for brighter and longer output. Overheat protection circuity will automatically go into "standard" mode should air flow be interrupted and automatically switch back when the running temperature returns to normal.


  • Wall rechargeable 
  • Two high performance Cree LEDs
  • Mounts on helmet or handlebar
  • Four solid modes: Overdrive (1000 lumens/1.75 hours), High (650 lumens/2.5 hours), Medium (410 lumens/3.25 hours), Low (230 lumens/8.5 hours)
  • One flash mode: Flash (500 lumens/7 hours)
  • Low battery indicator


  • TSL-LT1000 head
  • Rechargeable battery pack 2600mAh (BAT-2S)
  • Wall charger (S-TSL-CHARGER)
  • Three-foot extension cable (S-EXT-2)
  • Serfas handle bar bracket (S-UNIHEAD)
  • Serfas helmet bracket (S-UNIHELMET)
  • Manual
  • Carrying case
  • Battery strap (S-STRAP-BAT)
More Information
Battery2-cell lithium-ion, 2600mAh
Manufacturer's Part #TSL-LT1000
Lumens1000 lumens (overdrive); 650 lumens (high); 410 lumens (medium); 230 lumens (low); 500 lumens (flash)
MaterialCNC aluminum alloy body
Run Time1.75 hours (overdrive); 2.5 hours (high); 3.25 hours (medium); 8.5 hours (low); 7 hours (flash)
Weight460 g