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  • Fenix FNX-E01BK E Series LED Flashlight, Black
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Fenix FNX-E01BK E Series LED Flashlight, Black


List Price: $17.00
Price: $14.90 & FREE Shipping
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Only 20 left in stock.
Ships from and sold by OpticsDeals.
  • A perfect backup light for car, backpack , pocket or purse
  • 21 hour run time using just one 1.5V AAA battery (battery not included)
  • 1 ounce body made with aircraft-grade aluminum for long durability
  • Provides a constant brightness of 10 lumens
  • Reliable twist switch, water-resistant
8 new from $12.50

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Fenix FNX-E01BK E Series LED Flashlight, Black + Fisher Space Bullet Space Pen - Matte Black, Gift Boxed (400B)
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Fenix E01 Flashlight, Grey

Customer Rating 4.4 out of 5 stars   (238) 4.4 out of 5 stars   (70) 4.5 out of 5 stars   (154) 4.8 out of 5 stars   (8)
Price $14.90$12.50$7.60$14.52
Shipping Free Shipping$0.99$4.99FREE Shipping
Sold By OpticsDealsCameta CameraaxsecureAmazon.com
Batteries Required Y Y Y Y
Power Source Battery-Powered Battery-Powered Battery-Powered Battery-Powered
Weight 0.04 pounds 0.03 pounds Information not provided 0.2 pounds
Length 1 inches 2.8 inches 3.15 inches 1.75 inches
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Product Description


Fenix E01 Compact LED Flashlight

Small but mighty, the Fenix E01 can be fit in any pocket, your purse, or glove box and even be fastened onto your keychain for anytime, anywhere use. Thanks to digitally regulated output, the Fenix E01 provides a constant bright light of 10 lumens with 21 hours of run time on a single 1.5V AAA battery (sold separately). Built to last, the Fenix E01 is water resistant and made of durable aircraft-grade aluminum that weighs less than an ounce. The Fenix E01 fits easily in the hand and also can stand up securely on a flat surface to serve as a candle. The light turns on and off confidently with a reliable twist switch.

  • Led Type: Nichia white GS LED
  • Brightness: 10 lumens
  • Battery Life: 21 hours
  • Power: one 1.5V AAA battery (not included)
  • Digitally regulated output - maintains constant brightness
  • Aircraft-grade aluminum body
  • Premium Type III hard-anodized anti-abrasive finish
  • Waterproof to IPX-8 Standard
  • Capable of standing up securely on a flat surface to serve as a candle
  • Reliable twist switch for easy on/off
  • Weight: 0.56 ounce (without battery)
  • Dimensions: 2.7 by 0.5 inches (Length x Diameter)
  • Two-year warranty

Product Description

21 Hours run time at turbo 10 lumens output requires 1 AAA battery.

Product Details

  • Product Dimensions: 1 x 1 x 1 inches ; 0.6 ounces
  • Shipping Weight: 1.6 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • Origin: Imported
  • ASIN: B001GAOO6Y
  • Item model number: E01
  • Batteries 1 AAA batteries required.
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (238 customer reviews)
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Customer Questions & Answers

Customer Reviews

It is very bright for a light so small.
Mark M.
I have several flashlights including Surefire, Coast, and Maglite but this Fenix flashlight is by far the brightest and the best value.
The E01 is now on my key chain and I carry the other one in my pocket when I want a brighter light.
PC Mountain

Most Helpful Customer Reviews

214 of 220 people found the following review helpful By Richard Gary on October 27, 2009
Verified Purchase
The Fenix E01 is so small and light that you are likely to keep it handy, which makes it more useful than the flashlight you left home. Mine weighed in at approx. 0.95 oz. with the battery installed. The body diameter is about the same as an AA battery (it takes one AAA battery), but about 1/3 longer. It would easily be at home on a keychain if you like keychains with extra things hanging off them. It also will quite comfortably fit in a pocket.

Of course, it's a natural for a purse or fanny pack. Another reviewer commented that the reflector collected lint, which I didn't understand until I got the light. There is no lens covering the reflector. Therefore, if the flashlight is knocking around in a purse, I could see how the reflector could end up collecting lint. On the other hand, there is no lens to crack or get scratched up.

The light turns on and off with a twist of the ring surrounding the reflector. There's no button to push. There is no high or low beam. It's simply on or off.

Given some of the earlier reviews, I expected this light to be brighter than it is. I tested the light on an unlit staircase at night and found that all seven stairs to the landing were well illuminated. The corona around the hotspot covered the entire width of the steps. Going outside, I found the light to be adequate for illuminating a path while walking outside at night, but don't expect it to "throw" its beam any significant distance. There is a hotspot in the center of the beam, but more even and wider than the hotspot from an incandescent mini-MagLite. The hotspot has a lavender tinge to it, but the corona is fairly white.

The flashlight is designed so that it can be stood on its end and used like a candle, with the beam aimed at the ceiling.
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70 of 72 people found the following review helpful By Jersey Mike VINE VOICE on July 12, 2009
Verified Purchase
There are brighter lights, there are larger lights, and there are much costlier lights. I know, because I own all of the above and many more. But, this little gem cannot be beat for a very lightweight, bright-enough keyring light that you can always have with you, that you can turn on and leave on for over ten hours with constant brightness, and then still have another five hours of fading but still usable light to read a map with or signal with. All this for the cost of a single AAA battery.

This is the light to keep in your pocket all the time. And, at this price, you can afford to keep one for each family member in case of power outage or other emergency. It's as simple as that.
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33 of 38 people found the following review helpful By Brett on February 28, 2009
Verified Purchase
Fenix offers two keychain LED's. The E01 is a good light that I'm happy with, I also bought the Fenix LOD for another set of keys. If budget price is what your after in an LED, get the E01, you won't be disappointed. If your looking for the brightest and different light settings get the LOD, more money but a far superior light.
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13 of 13 people found the following review helpful By Mike on May 7, 2010
Verified Purchase
I was looking for an LED companion for my Maglite Solitaire. Some people say the Solitaires are great, some people hate them. Truth is, mine fills a niche. But on to the Fenix.

Fenix and 4Sevens have done some amazing things with single AAA "keychain" flashlights in recent years.

With Fenix's E01, L0D, and LD01 and 4Seven's Preon I, they've introduced us to a new era in single AAA flashlights.

I have a 1977 Eveready "Little Commander" single AA flashlight. I'd estimate it puts out around 0.5-1.0 lumens. A single AAA Maglite Solitaire will put out 2.3 lumens (for around 2-3 hours).

This wonderful little Fenix E01 puts out about 10 hours of 10 lumens (so-called sunlight mode) and about 10 hours of, well, something less, for 10 more hours (so-called moon mode).

Remember how I said the Maglite Solitaire still had it's place in my routine? Well that place is reading while my wife is asleep next to me. The Fenix is much too bright for that, and I don't fancy keeping a dying battery on hand so it'll run itself in "moon mode". I wish they'd include the lower mode at will. One thing I absolutely love about the 4Sevens flashlights (oddly enough this feature is NOT on the Preon I) are their "moonlight" modes, which on their CR123 lights put out 0.2-0.4 lumens for around 30 days. Now that's a nice feature. I would honestly never have said I'd only need 0.2 lumens, but I see the benefit of it now.

Back to the E01.

It's very bright, very well built, and very affordable. You can pick up a Maglite Solitaire at Lowe's for around $7 including tax. This ran me $11.
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40 of 50 people found the following review helpful By A. Cooke on November 28, 2010
Verified Purchase
I needed a small flashlight with good battery life to go in my camera bag when I need to take my equipment out at night. I read all the reviews and it sounded like this was the best bang for the buck. I excitedly popped in my AAA battery and gave it a test fire. Not very bright.. but at the time it was still daytime. Night rolls around and I finally have a chance to test it out in real-world conditions. I'm completely unimpressed. I have small, flat keychain button cell LED flashlights that are twice as bright as this.. and I got them for 20 cents each, batteries included. I wasn't expecting anything super bright considering the battery life and the fact that it only uses 1 AAA.. and yet this still left me underwhelmed.

As for the design.. I would have preferred a flashlight that had a button or switch to turn it on, rather than screwing the top. That's just a matter of preference, not necessarily a flaw. But there is, however, a flaw in the design that I'm really not too thrilled about. The flashlight is perfectly round. I've only owned it a day and it's rolled off my table twice already when I set it down. Why can't Fenix give one part of the light a hexagonal shape so it doesn't roll? This seems like such an obvious and simple thing to do.

The light emitted has a strong purplish-blue tint. Again, not that important, but a minor complaint nonetheless.

There's no protective glass/plastic over the LED at the end of the light, the LED itself fully exposed. This probably isn't too big a deal, and also keeps it from losing any light. But there IS a chance of something going in there and knocking the LED out of alignment or breaking it.

I'm simply not impressed. The only thing I'm really happy about with it is the battery life.. and for that reason alone I'm probably going to keep it with my camera gear.
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