On/off for E01 V2.0 AAA Flashlight

Tighten the light head to turn on the light, unscrew the light head to turn off the light.

Output Selection

Unscrew the light head and tighten it again within one second to cycle through Low→Med→High.

Battery Specifications

Battery Replacement

Unscrew the light head and insert the battery with the anode side (+) towards the light head, then screw the light head back on.

Intelligent Overheat Protection

The light will accumulate a lot of heat when used on High output level for extended periods. To reduce the temperature, the light will automatically step down a few lumens. High output level can be reselected if needed.

Usage and Maintenance for the E01 V2.0 AAA Flashlight

• Disassembling the sealed head can cause damage to the light and will void the warranty.
• Fenix recommends using an excellent quality battery.
• If the light will not be used for an extended period, remove the battery, or the light could be damaged by electrolyte leakage or battery explosion.
• Long-term use can result in O-ring wear. To maintain a proper water seal, replace the ring with an approved spare．
• Periodic cleaning of the battery contacts improves the light's performance as dirty contacts may cause the light to flicker, shine intermittently or even fail to illuminate for the following reasons: 
  A: The battery needs replacing. 
      Solution: Replace battery (Ensure battery is inserted according to the manufacturer’s specifications). 
  B: The threads, PCB board contact or other contacts are dirty. 
      Solution: Clean the contact points with a cotton swab soaked in rubbing alcohol.

Warning for the E01 V2.0 AAA Flashlight

• This flashlight is a high-intensity lighting device capable of causing eye damage to the user or others. Avoid shining the flashlight directly into anyone's eyes.
• All information provided in this manual is subject to change without prior notice.

FAQs about E01 V2.0 Flashlight 

Q1. What is the product positioning of E01 V2.0? And who are the target customers? 

A: The Fenix E01 V2.0 is a mini keychain flashlight with a negligible size and weight. From the included single AAA battery, it emits an impressive output of up to 100 lumens. The light is fairly durable with an all-metal CNC machining light body, premium type HAIII hard-anodized anti-abrasive finish, and excellent waterproof ability. Extremely small size, convenient rotating switch and flexible 3 output levels make the  E01 V2.0 the answer to everyday carry. The ultra-compact Fenix E01 V2.0 flashlight can be carried along with your keys so you always have a reliable and bright light anytime and anywhere. 

Q2. What are the key features and benefits of E01 V2.0? 

A: 1) Ultra-compact body. 

  2) Included one AAA battery. 

  3) All-metal CNC machining light body.  

  4) One-handed operation with the rotating switch. 

  5) 2.62'' x 0.59'' x 0.55'' / 66.5 x 15 x 14 mm. 

  6) 0.46 oz / 13 g (excluding battery). 

Q3. What kind of LED's are used in E01 V2.0? 

A: Utilizes Luminus SST20 Cold White LED. 

Q4. Does E01 V2.0 have overheat protection? 

A: The light will accumulate a lot of heat when used on High output level for extended periods. To reduce the temperature, the light will automatically step down a few lumens. High output level can be reselected if needed. 

Q5. What battery does the E01 V2.0 support? 

A: AAA Ni-MH Battery and AAA Alkaline Battery. 

Q6.  What should I do if the E01 V2.0 needs repair?

A: 1. 15-day replacement: Fenix will replace identical or equal products with documented manufacturing defects within 15 days of purchase.

2. 2-year free repair: Fenix will repair a light free of charge within 2 years of purchase if problems develop with normal use.

3. Lifetime maintenance: If repair is required after 2 years from the date of purchase, Fenix will charge for parts. The total repair fee is dictated by the cost of the replaced materials.

4. If you need warranty service, fill out the warranty form at https://www.fenixlighting.com/pages/warranty-repairs to start your repair claim.