Fenix Lighting TK75 Runtime Kit

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Complete The Look
Go longer with the Fenix Extended Runtime Kit. Specifically designed for your favorite flashlight. Adds extended runtime to your flashlight without affecting brightness levels and modes.

The Fenix TK75's runtime can be extended with the addition of the body tube segments and battery holders. An extra TK75's runtime will be gained with the addition of each extended runtime kit.


  • Size: 100mm (Length)
  • Width: 52mm (Diameter)
  • Weight: 153g (excluding Batteries)
    Fenix Lighting TK75 Runtime Kit