Optimizing Tactical Flashlights With 16340 & 18650 Batteries

A brief discussion about the benefits of using rechargeable & higher voltage batteries with your Surefire, Streamlight, Olight, and other tactical flashlights.

Ready Up Gear 16340s: https://readyupgear.com/product/16340-usb-rechargeable-batteries-2pk/

Ready Up Gear 18650s: https://readyupgear.com/product/18650-usb-rechargeable-batteries-2pk/

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