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Fenix TK75RK Runtime Kit

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    Fenix TK75RK Runtime Kit


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    Product Description

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

    NOTE:  The pattern on the newest model of the TK75 Runtime Kit matches the pattern on the 4000 Lumen TK75.  The images on this page do not reflect that updated design.


    • DOES NOT Come With 18650 Batteries
    • Model: AET-TK75

    Size of Your Kit 

    • Size:  3.9 in. (Length) X 2.1 in. (Diameter) (100mm X 52.5mm)
    • Weight:  5.7 oz (162.5 grams)  (excluding batteries)


    • Install the kit with the right direction
    • An extra TK75’s runtime will be gained with the addition of each extended runtime kit
    • The use of more than three kits in one TK75 flashlight is not recommended


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