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Fenix E01 Compact 13 Lumens LED Waterproof Flashlight w/ AAA Battery

4.5 out of 5 stars 362 customer reviews
| 3 answered questions

Price: $15.94 & FREE Shipping on orders over $49. Details
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  • 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
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$15.94 & FREE Shipping on orders over $49. Details Only 9 left in stock. Sold by Shop Three Bees and Fulfilled by Amazon. Gift-wrap available.

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Color: Black

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This item: Fenix FNX-E01BK E Series LED Flashlight, Black
Customer Rating 4 out of 5 stars (362) 4 out of 5 stars (196) 4 out of 5 stars (44) 4 out of 5 stars (315)
Price $15.94 $10.95 $10.95 $23.43
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Shop Three Bees Amazon.com Amazon.com Amazon.com
Batteries Required Y Y Y Y
Power Source Battery-Powered Battery-Powered Battery-Powered AC/DC
Item Weight 0.04 pounds 0.02 pounds Information not provided 0.2 pounds
Length 3.5 inches 2.8 inches 1.75 inches 3.5 inches
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Product Description

Uses a Nichia white GS LED with a life of 100,000 hours
Constant brightness: 13 Lumens
21-hour working time ( 11-hour sun mode plus 10-hour moon mode)
Made of aircraft-grade aluminum
Durable Type III hard anodized finish
Waterproof to IPX-8 Standard
Reliable twist switch
Capable of standing up securely on a flat surface to serve as a candle

Size of Your Light
71mm (Length) x 14.2mm (Diameter)
14-gram weight (excluding batteries)

What Comes With Your Light
AAA Battery
Key Ring
Spare O-ring
Alkaline Battery
Instructions Sheet
Warranty Card


Product Details

  • Item Weight: 1 pounds
  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • ASIN: B013CQ1OYY
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (362 customer reviews)
  • Amazon Best Sellers Rank: #94,987 in Sports & Outdoors (See Top 100 in Sports & Outdoors)
  • Product Warranty: For warranty information about this product, please click here

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Color: Black 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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Color: Black 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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Color: Purple Verified Purchase
This is a good LED Flashlight for everybody, especially those who are technologically challenged. Just unscrew the head, drop a AAA battery in with the "button" up, screw the head back on, and it is ready to use. Twist the head on tight to turn the light on and loosen the head to turn it off. It has a nice, slightly bluish white floody beam that gives adequate light to about 15 feet or so, and it has a 16 hour+ run time. It comes with a split ring to attach it to your keychain, and an extra o-ring for when/if the1st one wears out, and It has a good warranty from Fenix. For the price it can't be beat. My only suggestion is that you use something like an Energizer Ultimate Lithium battery, because if you don't use the light that often this battery will not leak and ruin your flashlight like alkaline batteries do. Also, if you carry it in a pocket or purse, make sure that you loosen the head enough that you can not push down on the head and make the light turn on. Otherwise it might come on accidentally and run the battery down.
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Color: Black 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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