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Fenix Flashlight Extended Runtime Kit for TK75

In Stock
Free Expedited Shipping on Orders over $49
You Pay: $27.59
Product Highlights
  • Battery Holder for 4 x 18650 Batteries
  • Housing Tube Extension Included

The Extended Runtime Kit from Fenix comes with a modular extension tube and a battery holder for four 18650 li-ion batteries. It is compatible with TK75 flashlights. Multiple extension modules can be attached to provide additional runtime. The battery module will extend both the runtime and the flashlight housing. The included 18650 lithium-ion battery holder also features protection against over-charging, over-discharging, and over-heating.

Dimensions 4.5 x 1.1" (12 x 3 cm)
Weight 2.2 oz (62 g)
Fenix Flashlight Extended Runtime Kit for TK75
  • Tube Extension
  • Battery Holder
  • Limited Lifetime Warranty

    by PowerReviews
    Fenix FlashlightExtended Runtime Kit for TK75

    (based on 1 review)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



    • 3 Stars



    • 2 Stars



    • 1 Stars



    Reviewed by 1 customer

    Displaying review 1

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    Works as Advertised

    By Amudgarden

    from Phoenix, MD

    About Me Pro Photographer

    See all my reviews

    Verified Buyer


    • Attaches Securely
    • Durable
    • Lightweight
    • Long-Lasting


      Best Uses

      • General Use
      • Indoors
      • Low Light
      • Night Time
      • Outdoors
      • Special Events

      Comments about Fenix Flashlight Extended Runtime Kit for TK75:

      Very easy to connect to the body of the flashlight. It's light, and holds the batteries securely. Doesn't increase power of the light, but it does increase length of run time. Works exactly the way it should.

      • Was this a gift?:
      • No

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