Fenix E01 V2 Flashlights, blue and black
Fenix E01 V2 Flashlight held in hand, in pocket, on keychain, and in purse
Fenix E01 V2 Flashlight in blue and black on wood in the forest
The three brightness levels of the Fenix E01 V2 Flashlight
Fenix E01 V2 Flashlight with battery
Fenix E01 V2 Flashlight ultra-thin lens
Fenix E01 V2 Flashlight being dropped
Fenix E01 V2 Flashlight technical parameters chart
Fenix E01 V2 Flashlight in blue
Fenix E01 V2 Flashlight in blue from the top
Fenix E01 V2 Flashlight in black as viewed from the top
Fenix E01 V2 Flashlight compared to older version
Fenix E01 V2 Flashlight with included accessories
Fenix E01 V2 Flashlight in the rain showing waterproof rating
Fenix E01 V2 Flashlight size comparison to a cell phone
Fenix E01 V2 Flashlight being used while walking at night

Fenix E01 V2.0 AAA LED Flashlight

Regular price$12.95
Shipping calculated at checkout.
  • In stock, ready to ship
  • Inventory on the way
  • Satisfaction guaranteed
  • Free shipping for orders over $25
  • Earn reward points - get discounts!
  • Backed by the Fenix Limited Lifetime Warranty

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

The Fenix E01 V2.0 is an incredibly small keychain flashlight that delivers 100 Lumens of brightness from its CREE XP-G2 S3 LED and a single AAA battery. With twist-head operation to control its three outputs, this CNC machined flashlight is available in black or blue and includes a durable key ring for easy carrying. In addition, the E01 V2.0 boasts an IP68 waterproof rating and no standby current, so you can leave the AAA battery inside without worrying about power loss. All in all, it's an ideal gift for those seeking a practical and straightforward keychain flashlight.


  • High: 100 Lumens, 50 minutes, 114 ft
  • Med: 25 Lumens, 4.9 hours, 62 ft
  • Low: 5 Lumens, 25 hours, 29 ft


  • AAA Battery Powered
  • Rotary Head Twisting Switch Operation
  • Aluminum CNC Machined Body
  • 1.5 Meter drop test
  • IP68 Rated Waterproofing: Submersible 6.5 feet for up to 30 Minutes
  • No Standby current


  • Included: AAA Alkaline Batteries
  • Compatible: Rechargeable AAA Ni-MH Batteries


  • Length: 2.62 inches
  • Head Diameter: 0.59 inches
  • Body Diameter: 0.55 inches
  • Weight: 0.46 oz (excluding battery)
  • E01 V2 AAA Alkaline Battery
  • Key Ring
  • Spare O-ring
  • User Manual
  • Warranty Card

What batteries work in the Fenix E01 V2 LED flashlight?

The Fenix E01 V2.0 flashlight runs on a single AAA Alkaline battery or AAA Ni-MH battery.

Can the E01 V2 be affixed with a pocket clip?

There are no pocket clips available for a light of this size.

What LED is used in the E01 V2?

The E01 V2 uses a Luminus SST20 Cold White LED.

Fenix E01 V2