Fenix E01 Mini Flashlight Review

Fenix is a reputable China company that design and manufacture high quality flashlights that tally with world standards. This particular model is their smallest product so far, the Fenix E01. They manufacture flashlight ranges from 10 lumen brightness to 760 lumen!

Fenix E01's casing is made out from aircraft grade aluminum, weight only 14 grams (without the battery) and the Nichia white GS LED shoots out a tiny 10 lumens out from this small flashlight. Even better? It is waterproof!

Fenix E01 also comes with a spare o-ring and a steel key-chain ring, which can be handy if the used o-ring wear out, and you can replace them right away. These o-ring needs to be lubricated at all time. The steel key-chain ring is useful to attach to other accessories.


The exact size of Fenix E01 is 7.1cm in length and 1.4cm in diameter. How small is that? Get yourself a ruler, and yes, it is that small, just like my skinny little finger.

This flash light is too small for a clicky switch, therefore, Fenix designed this flashlight to have a twist-open switch, which can be turned on by simply turning the front cap. Typically, a cheap flashlight with this type of switch mechanism tend to turn on accidentally by itself, because of bad manufacturing accuracy and tolerance. A little tap or press on the cap and you'll realize your flashlight battery depleted even before you know it. A whole different story for Fenix E01, its build quality is superb! My dad had used this over a year now, and so far, this flashlight is satisfyingly functioning well.

However, I find it funny that it doesn't have a protective glass cover, yet it still manage to meet the IPX-8 standard, which is a standard for waterproof product - able to submerged in 1 meter water for 30 minutes. Since its light emitted diode is not a 'delicate fragile light bulb', therefore, no protective glass cover is needed. This make Fenix E01 surprisingly versatile for outdoor use, whether you are going out for a river side camping, working on a wet environment, out in the dark when it is raining, Fenix E01 will not fail you.

The end cap is a three spoke flat surface, which enable it to stand like a candle (which you can turn on the flashlight and leave it stand vertically on a flat surface to illuminate a room with white ceiling), but i don't think 10 lumens for Fenix E01 is good enough to read a book if its used in this way, however, for emergency uses, it is okay just to have a small room dimly lit up.

In addition, one of the spoke has a hole in it, which you can put the included steel key-chain ring. Attach it to a lanyard, key, or hand phone makes Fenix E01 a handy gift for everyone.

Another great feature of Fenix E01 is the regulated circuit located at the light cap. This circuit enable to provide12 hours sun mode, and 13 hours moon mode, which means constant brightness for 12 hours, and slowly dim to nothing for the next 13 hours. However, I find that the "moon-mode" doesn't really seems useful to me. But 12 hours constant brightness for a single AAA battery is good enough for my dad to get his job done without worrying of replacing the battery in awhile, also without that annoying deteriorating brightness after short period of usage.

The useful range for this 10 lumen beam is only two meter. Further than that, you will see a fade away purple beam resulted from the dispersed white beam. This flashlight is definitely for normal reading use only. If you are trying to get out from the forest using this flashlight, just forget about it.

Fenix E01 is manufactured in different color, mine is olive color.


Its fairly cheap, considering the quality and versatility. A great gift for your love one, and a useful thing to hang around your key-chain!

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