EdisonBright Fenix E01 LED Flashlight Review in 2022 – Keychain LED Light

Looking for a very tiny LED flashlight? Well, this Fenix E01 is as big as your finger!

You can attach this best small LED flashlight with your home or car keys. It will always be there to serve your light wherever you in need of it.

Check out the review below to know more about this awesome flashlight.

​EdisonBright Fenix E01 LED Flashlight Review

Best LED Flashlight Reviews


This tiny LED flashlight has received a total of 4.3 stars out of 5-star form more than 300 customers on Amazon.

Whenever you buy a Fenix flashlight, you have to rest assured that you will get the best quality from them always.

Who can use this Flashlight?

This flashlight is not made for heavy use; it is perfect for gifting someone who rarely uses a flashlight.

It is perfect for kids as it is small and can fit in their little pockets. You can place this flashlight with your keys or in the glove box of your car. You never know when you might need a bit of light source, right?

Batteries & Charger

The battery that is used in this Fenix E01 is a regular AAA battery. They will provide you with a battery at the time of purchase, after that we would suggest you to buy only the Fenix AAA batteries to use with this flashlight.

As it runs on AAA battery, you don’t have to worry about the charger at all, just buy a new AAA battery which you can find pretty much anywhere you go.


All the Fenix flashlight uses the CREE LEDs, but this is an exception. This Fenix E01 flashlight uses a Nichia white GS LED. This GS LED comes with a lifespan of 100,000 hours.

The output is digitally controlled to give you a uniform and constant brightness level throughout the battery level.

Mind-blowing, right?

Modes & Runtimes

The overall Lumen power this flashlight will give out is 13 Lumens. It is not quite enough for heavy tasks but more than enough to find things in the dark.

It will work for a total of 21 hours with a single AAA battery. The total range of the light beam is 69 feet.


It is quite easy to operate this flashlight; you just have to use the tail cap switch to turn it on and off.


The whole flashlight is made out of durable aircraft grade aluminum. It is quite strong even though it is very small.

You can even use this flashlight as a candle because it has a flat base. They even added reverse polarity protection in this Fenix E01 LED flashlight.

The flashlight is 1-meter drop resistant.

Waterproof Rating

It is very shocking to know that this Fenix E01 LED flashlight is completely waterproof. It is IPX-8 rated; you can even submerge the flashlight in 2-meter-deep water for up to 30 minutes.

Dimensions & Weight

The weight of this flashlight is only 1 ounce. The overall length and the diameter of this flashlight are 2.8 inches and 0.5 inches respectively.


You will get a limited lifetime warranty on this tiny LED flashlight.


  • ​Lifetime warranty.
  • ​Same size as your finger.
  • ​Perfect for a keychain.
  • ​Works with regular AAA battery.
  • ​It is made with durable aircraft grade aluminum.
  • ​Reverse polarity protection.
  • ​High ratings on Amazon.


  • ​There is only 1 mode on this flashlight.
  • ​No SOS or strobe modes.

This is a really good option for those of you who are seeking a very small LED flashlight. This tiny Fenix E01 LED flashlight is very strong, has a very long run-time and is waterproof. Why not check out the Amazon page for more details?

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