Fenix BT20
  • 750 claimed lumens
  • 1h 50min reported battery life
  • Spot/flood
  • flashing mode
  • no pulse mode
  • 4 brightness levels
  • external 18650 batteries
  • removable battery
  • rechargeable
  • Included mounts: Strap

Fenix BT lights use an external battery pack separate from the light head.

The BT20 has a single LED with a custom lens creating a dual spot/flood beam. It uses 18650 batteries in an external case. The batteries and charger are not included with the light, but some merchants offer bundles with batteries included.