Hey all and thanks for tuning in to another gear review. This time I’m reviewing the Fenix BT20 bike light. 750 lumen output on high and a dual distance beam. It uses a neutral white LED which features strong penetrating power and good color rendering. This is important because it helps bike riders identify the color of objects and outdoor conditions. bt20
It uses 2 18650 batteries or 4 cr123a batteries. I use the 18650 batteries and my Fenix ARE-C1 battery charger for this light.
It comes with a helmet mount, multiple o rings for mounting to different size handlebars, an extension cord (27″) and battery case with pouch. Batteries are not included.
It puts out 750 lumen on turbo mode, 450 on high, 300 on medium, 100 on low and 300 on flash/strobe.

Here are some specs from Fenix:

BT20 is the newest extension of lights by Fenix designed for bicycle enthusiasts. It delivers a max 750-lumen output and employs the pioneering dual distance beam system. This beam system allows the upward beam of the BT20 to refract by the lens, forming an auxiliary beam in the front area of the wheels where ordinary bicycle light can’t reach. With its advanced a spherical light cup design and broad beam distance it can reach up to 156m. The active design of the BT20 conforms to the aerodynamics design with less wind resistance and fast heat dissipation; it is quick to attach and detach using O-ring mounting straps sized for 20mm-35mm handlebars; moreover, the direction of the headlamp can be adjusted freely, which brings you more convenience. Powered by two 18650 rechargeable Li-ion batteries or four CR123A Lithium batteries, BT20 features four brightness levels and one variable frequency flashing mode, which satisfy your various lighting needs such as commuting, urban utility, cross country, down hill, etc. *Limited Lifetime Guarantee supported by Fenix Lighting US

This is a great light for the price and works awesome on rides up to 1.5 hours. 2 hours on a full battery will be kind of pushing it. It will automatically switch itself from turbo to high, to medium to low when the battery runs down.
Great light, low price and full setup in the box!


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