Fenix E35 V3.0 Flashlight

Max Lumens: 3000
Modes: 6
Battery: 21700
(167 customer reviews)


The Fenix E35 V3.0 flashlight has been upgraded with high-performance features in mind. This EDC flashlight can now blast a maximum 3000 lumens a distance of 787ft (240m). Powered by an included 21700 (5000mAh) rechargeable Li-ion battery which not only allows this light to be extremely bright, but also has extended runtimes. Designed with ultrathin optical lens, the E35 V3.0 flashlight creates a soft and balanced beam. Convenient side switch activates all lighting modes and includes a battery level indicator. It’s hard to beat a 3000 lumen flashlight in a pint-sized light. Waterproof and dustproof, the Fenix E35 V3.0 is built to withstand the elements. Incredibly bright in a compact size makes this flashlight an everyday carry powerhouse.  THIS LIGHT DOES NOT HAVE A TAIL-SWITCH.

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Max Lumens: 3000
Modes: 6


E35 V3 flashlight spec chart

E35 V3.0 Size:

Length: 4.65” (118mm)
Diameter: 1.04” (26.5mm)

E35 V3.0 Weight:

2.36 oz. (67g) excluding battery

E35 V3.0 Battery:

One 21700 Li-ion rechargeable battery (included)


ARB-L21-5000U Li-ion battery, USB Type-C charging cable, lanyard, spare O-ring


Limited Lifetime Guarantee from Fenix Lighting USA

Additional Features of the E35 V3.0 3000 Lumen Flashlight

  • Utilizes Luminus SST70 cool white LED, with alifespan of 50,000 hours.
  • Ultra-thin optical lens for soft and balanced beam.
  • Digitally regulated circuit for maintaining a stable output.
  • Reverse polarity protection, to protect from improper battery insertion.
  • Boot-up battery level indication and low-voltage warning.
  • Made of A6061-T6 aluminum.
  • Premium type HAIII hard-anodized anti-abrasive finish.

Press and hold the 0.5 seconds to turn on/off the light.

Output Selection
With the light turned on, single click the side switch to cycle through Eco→Low→Med→High→Turbo.

Lock: with the light switched off, double click the switch within 0.5 seconds to lock the light, the light will blink twice on Eco to indicate locked status.

Unlock: with the light locked, double click the switch within 0.5 seconds, the light will be unlocked and activated on Eco.

*In locked status, clicking or pressing the switch will activate 2 one-second blinks on Eco to indicate locked status.

With the light switched on, press and hold the side switch for 1.2 seconds to enter Strobe, single click the side switch again to turn back to the previously used output level.

Intelligent Memory Circuit
The light memorizes the last selected output excluding strobe. When turned on again the previously used output will be recalled.

Battery Specification

Type Dimension Nominal Voltage Usability  
Fenix ARB-L21 21700 3.6V Recommend √√
Rechargeable Battery (Li-ion) 21700 3.6V Caution
Rechargeable Battery (Li-ion) 18650 3.6V Banned ×

* 21700 Li-ion batteries are powerful cells designed for commercial applications and must be treated with caution and handled with care. Only use quality batteries with circuit protection will reduce the potential for combustion or explosion; but cell damage or short circuiting are potential risks the user assumes.

Battery Replacement of the E35 V3.0 3000 Lumen Flashlight
Unscrew the light head and insert the battery with the anode side (+) towards the light head, then screw the light head back on.

Battery Level Indication
With the light switched off, single click the side switch to check the battery status, the indicator will last for 3 seconds.

  • Green light on: saturated 100% – 85%
  • Green light flashes: sufficient 85% – 50%
  • Red light on: poor 50% – 25%
  • Red light flashes: critical 25% – 1%

Note: This only works with Fenix ARB-L21 Series 21700 rechargeable Li-ion battery.

Intelligent Overheat Protection
The light will accumulate a lot of heat when used on Turbo and High output levels for extended periods. When the light reaches a temperature of 60°C or above, the light will automatically step down a few lumens to reduce the temperature. When the temperature drops below 60°C, it will then allow the user for the reselection of Turbo mode.

Low-voltage Warning
When the voltage level drops below the preset level, the flashlight is programmed to downshift to a lower brightness level until Low output is reached. When this happens in Low output mode, the battery level indicator blinks red to remind you to timely recharge or replace the battery.

Note: This only works with Fenix ARB-L21 Series 21700 rechargeable Li-ion battery.

Usage and Maintenance of the E35 V3.0 3000 Lumen 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.
  • Lock the light or take out the battery to prevent accidental activation during storage or transportation. Recharge a stored battery every four months to maintain optimal battery performance.
  • 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 lamp’s performance as dirty contacts may cause the lamp 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.

If the above methods don’t work, please contact your authorized distributor.


  • 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.
  • This flashlight will accumulate a lot of heat when used for extended periods, resulting in high temperature of the flashlight shell. Pay attention to safe use to avoid scalding.
  • All information provided in this manual is subject to change without prior notice.

167 reviews for Fenix E35 V3.0 Flashlight

Based on 167 reviews

Customer Images

Image #1 from John Villalovos
Image #1 from John Villalovos

John Villalovos

The light works great as far as lighting things up and performing it’s operations is concerned. However, the Lock-Out function failed in my situation. I Locked out the light with two quick button pushes and saw the confirming two quick flashes of light. Then the light was off and I pushed the button once, a few times, to try to turn it on and it would not turn on, just as intended. I then carefully put the light into my PD35 Tac holster and threaded my belt through the belt loop for waist belt carry. I then drove in my car for about a 45 minute trip. Somehow, the light still turned on during my drive and it melted and burned a hole through the bottom of my holster! It’s now evident to me that your programming of two quick button pushes are insufficient to maximize the odds of keeping the light locked out. Somehow, my movements in the car, still enabled the light to turn on and get out of the lock-out mode. I suggest you re-program these lights to require 4 or 5 quick button pushes to keep them locked out, when the power button may rub against holsters or carry bags due to typical movements.

(8) (0)
Image #1 from John Villalovos
  1. Robert Christensen (verified owner)

    I am really liking the huge amount of lumens that I get on such a tiny flashlight. It fits all of my needs and I use it almost every day.

    (1) (0)
  2. Anonymous (verified owner)

    This is a great brand!

    (1) (0)
  3. Anonymous (verified owner)

    Very pleased with the Fenix E35 V3.0 Flashlight. Powerful, yet compact. Very well designed.

    (0) (0)
  4. Forrest S. (verified owner)

    I own four other Fenix flashlights along with a headlamp. I carry the PD25 daily due to its small size and the ease of cycling through the modes with my pinky while using my thumb to control power. I recently had a different set of needs come up for a flashlight that the PD25, PD40R, and TK30 I already own couldn’t meet. After debating between several models, including some with the dual tail switch, I decided to try the E35. The single side button interface is simple enough to use with my pinky should I need to hold the flashlight in a tactical grip, and not having to use a tail switch means that with its longer length I don’t have to slide my hand up and down or stretch my pinky for the mode button like I do with the TK30. I primarily hold the E35 in a more standard grip with my thumb operating the button, and I twist the clip on it so it lines up a little to the left of the button, which makes picking up the light in the dark and finding the switch effortless. It’s colour is more yellow than my other lights and it has a wider beam angle for its centre spot, which, for the use I bought it for, is fantastic, but I do wish that there was an easier ability to compare the full lineup of flashlights, and that the differences were made more clear when ordering. The output of light at all the different levels are fantastically thought out. On paper, some of the levels seem to be big jumps, but to my eye, it seems a lot smoother than I would have expected. Compared to the other Fenix lights I have, it’s a lot easier to get the exact output I need as none of the jumps between levels make me feel like I wish there was an intermediary step. with the E35 being a smaller flashlight, it gets very hot when using the brighter modes so be careful as the “hot surface” warning near the lens is not a joke. I’m not sure what technology is being used to handle the dimming of the light chip, but it does an incredible job with no flicker visible to the naked eye, although I haven’t tested it against a camera that could detect the flicker. All around, I genuinely do love this flashlight and I firmly believe that it’s a great flashlight for anyone looking for a bright but smaller flashlight who does not need the tactical features of other flashlights. Also, pairing it with the AOD-S V2.0 diffuser makes a great flat light that evenly illuminates an area. Just be careful with the turbo mode as it’s blinding if you’re even looking a little bit at the diffuser.

    Tl;dr: The E35 is an incredible flashlight, well built, easy to use, and I constantly am blown away by how bright this tiny light can get.

    (1) (0)
  5. James B. (verified owner)

    Fantastic flashlight. Couldn’t be happier.

    (0) (0)
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