Fenix TK12-EX Survival Compatible Batteries: 1x 18650 battery

Compatible Batteries: 1x 18650 battery with PCB protection or 2 x CR123A batteries (Do not use 16340 batteries)

Utilizes CREE XM-L2 U2

including snow

9 oz (25 g) Included BC05R V2

Fenix TK12-EX Survival Compatible Batteries: 1x 18650 batterySwapping out the TK12's standard battery tube with this item tube will allow the use of 18650 batteries! This replacement battery tube, despite it's sometimes being called an extender, does not 'extend' the size of the flashlight it is a direct, screw in replacement for the stock battery tube. Adapt with Fenix TK12 flashlight, length: 68. 8mm, Diameter: 25. 4mm Compatible with CR123A Batteries & 18650 cells Made of aircraft grade aluminum Durable Type