![Serfas TSL-2500](https://static.bikelightdatabase.com/media/lights/cover/tsl2500.jpg.960x720_q90.jpg)
- 2500 claimed lumens
- 1h 45min reported battery life
- 540 g
- no flash mode
- no pulse mode
- 4 brightness levels
- Included mounts: Strap
The TSL series includes Serfas' single-piece USB-rechargeable lights, designed for commuting, road biking, and off-road rides.