Serfas TSL-1000 Combo
  • 1000 claimed lumens
  • 2h 00min reported battery life
  • 300 g
  • flashing mode
  • no pulse mode
  • 4 brightness levels
  • external Lithium batteries
  • low battery indicator
  • removable battery
  • a/c adapter rechargeable
  • Included mounts: Strap
$320

The TSL series includes Serfas' single-piece USB-rechargeable lights, designed for commuting, road biking, and off-road rides.

The TSL-1000 comes with the Serfas Thunderbolt taillight integrated into its battery pack. The lights can be operated simultaneously or independently.

This light hasn't been individually reviewed, but other lights in this series have been: