Fenix BTR20
  • 800 claimed lumens
  • 2h 00min reported battery life
  • Spot/flood
  • flashing mode
  • no pulse mode
  • 4 brightness levels
  • external Lithium batteries
  • low battery indicator
  • removable battery
  • a/c adapter rechargeable
  • Included mounts: Strap
$139

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

The BTR20 has an external rechargeable lithium battery pack. It has a single LED with custom optics designed to produce a hybrid flood/spot beam.