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Fenix PD36R Custom Engraved Flashlight

Max Lumens: 1600
Modes: 6
(21 customer reviews)


SKU: N/A Category:

The Fenix PD36R rechargeable flashlight is a high-performance flashlight unlike anything else on the market its size. This LED rechargeable flashlight delivers a maximum 1600 lumens to an impressive distance of 928ft (283m), all on a high capacity 21700 li-ion battery. The PD36R is our first introduction of a product with a 21700 li-ion battery, extending battery runtimes by twice the standard li-ion battery. The high-capacity 5000 mAh battery can be conveniently charged through the USB-C port on the flashlight. Additionally, you will always be able to see the battery’s charge status at a glance with the external battery level indicator.

Operating this powerful LED rechargeable flashlight is simple with the tactical tail switch for momentary on/off, and the ability to cycle through six lighting modes using the side switch including a 1600 lumen turbo mode. Carry the PD36R how you want- on a backpack, belt, or MOLLE system with the two-way body clip. The amount of power and runtime packed into this flashlight are unmatched for its handheld size. IP68 rated dustproof and waterproof, this flashlight is the perfect all-purpose lighting tool for those needing maximum brightness and long runtimes.

For commercial orders and large purchases, contact us at (888) 775-9996 x6, or
WARNING. Be aware of counterfeit Fenix merchandise in the U.S. marketplace.

Max Lumens: 1600
Modes: 6


Fenix PD36R Flashlight specs chart

Length: 5.4” (136mm)
Body: 1.0” (25.4mm)
Head: 1.0” (26.4mm)

Weight: 3.0 oz. (85g) excluding battery

Battery: High-capacity 21700 rechargeable Li-ion battery (included)

Included: Fenix ARB-L21-5000 rechargeable Li-ion battery, two-way body clip, USB Type-C charging cable, lanyard, holster, spare O-ring

Warranty: Limited Lifetime Guarantee from Fenix Lighting USA

  • 4-hour fast charging with 5V/3A USB Type-C charging port.
  • Instant power activation with momentary tactical tail switch.
  • Simple output selection with side switch.
  • Two-way body clip for different lighting demands.
  • Boot-up battery level indication and low-voltage warning.
  • Made of durable high-strength and oxidation-resistance aluminum.
  • Premium type HAIII hard-anodized anti-abrasive finish.
  • Toughened ultra-clear glass lens with an anti-reflective coating.
  • Digitally regulated circuit for maintaining a stable output.
  • Reverse polarity protection, to protect from improper battery insertion.
  • Body with anti-roll and anti-slip design.

The tail switch is the tactical switch, and the side switch is the functional switch.

Slightly tap the tactical switch to momentarily turn on the light, release it the light will go out.
Fully press
Fully press the tactical switch to constantly turn on the light, press once again to turn off the light.

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

With the light switched on, press and hold the functional switch for 0.5 seconds to enter strobe, click once again to return back to General mode.

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

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

Boot-up Battery Level Indication
Each time the light is turned on, the battery level indicator in the middle of the switch will automatically display the battery status for 3 seconds.

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

Note: This only works with Fenix ARB-L21-5000 21700 rechargeable Li-ion battery.

Overheat protection
The light will accumulate a lot of heat when used on Turbo or High for extended periods. When the light reaches a temperature of 50°C or above, the light will automatically step down a few lumens to reduce the temperature: the light will downshift until to 550 lumens if Turbo is being selected; the light will downshift until to 450 lumens if High is being selected.

Time-limited downshift
When the light is kept working on Turbo for over 15 minutes, the output will reduce to 900-550 lumens within 15 minutes.

Note: Tested according to laboratory cooling test conditions.

When High or Turbo is needed again, restart the light or directly cycle back if battery level allows.

Low-voltage Warning
When the voltage level drops below 3V, the flashlight is programmed to downshift to a lower brightness level until Eco output is reached. When this happens in Eco output mode, the battery level indicator blinks red to remind you to recharge or replace the battery so as not to shorten the life or damage the battery. To ensure normal use, the flashlight will work until the battery runs out or the protection circuit activates.

Note: This only works with Fenix ARB-L21-5000 21700 rechargeable Li-ion battery.


  1. When charging is needed, remove the dust cover to reveal the charging port in the light neck, and connect the light to the power source with the included USB Type-C charging cable.
  2. The indicator in the middle of the switch will be on and display red to indicate charging status, when the indicator turns green, the charging is completed. The normal charging time of the included Fenix ARB-L21-5000 rechargeable Li-ion battery is about 4 hours.
  3. Once charging is completed, be sure to remove the charging cable and push the dust cover back to protect the charging port from dust and foreign objects.
  4. Recharge a stored light every four months to maintain optimal battery performance.
  5. The light can be turned on lower outputs when it is in charging process, but the charging time will be prolonged by this act.

Usage and Maintenance

  • Disassembling the sealed head can cause damage to the light and will void the warranty.
  • Fenix recommends using a quality battery with proper built-in protections.
  • 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.
  • Lithium battery needs to be charged when it is near depletion. Please immediately charge the battery when it is depleted. It has no memory effect.
  • Unscrew the tail cap half a turn or take out the battery to prevent accidental activation during storage or transportation.
  • Long-term use can result in O-ring wear. To maintain a proper water seal, replace the ring with an approved spare (included) when damaged.
  • 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.

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.

21 reviews for Fenix PD36R Custom Engraved Flashlight

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  1. Robert Rhodes (verified owner)

    All I can say is this light is 110% worth it, everything they say about it is true. I’ve owned several streamlight’s over the years and after this purchase I’m a Fenix fan.

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  2. Walt (verified owner)

    Everything I expected and more. Well focused beam, great for EDC and defensive use. Also great on low for checking kids etc at night. Definitely a good choice.

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  3. Erik S. (verified owner)

    As a Home Inspector it is important to be able to see deep into the attic and crawlspaces. I have been using the Fenix UC35 light daily for about a year and then bought this one. This one seems to be the same brightness but cast a beam of light just a little bit wider illuminating a better area. Very happy with this flashlight.

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  4. Robert Balboa (verified owner)

    Great flashlight, been comparing it to everyone else’s on our Thursday night fishing tourneys and no others compare. I am definitely a NEW Fenix Fan

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  5. Anonymous (verified owner)

    Great flashlight.

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  6. Charlie Ronayne (verified owner)

    Fantastic light the PD36r is with amazing runtimes on high power settings. The engraving option looks fantastic and really inexpensive. I would suggest if you get a fenix flashlight that has the option to be engraved DO IT ! you will love it.

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  7. Michael S. (verified owner)

    Awesome flashlight

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  8. Gerson A. (verified owner)

    Awesome little light, I use it every day and it has never let me down, so far is my favorite.

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  9. Scott Wilson (verified owner)

    So impressed with my new Fenix PD36R. The quality is nothing but outstanding. It is simply the best and I have owned nothing but the best all my life. Fenix is far superior! You have my business for life!!

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  10. Jerry (verified owner)

    I love this flashlight. I had a older fenix light and I am so glad that I got it.

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  11. Miguel M. (verified owner)

    Light heats up really bad to the point of burning a whole through the carrying case.

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    • Dianne

      Sorry to hear that Miguel – we definitely recommend using the lock out function when the light is in a holster or pocket.

  12. Daniel (verified owner)

    Great flashlight

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  13. William (verified owner)

    Works great battery could last a bit longer. But all & all it’s nice light . It’s my new go to light but that’s my m.o. I have about 25 or so tac lights one in every area of my home and autos. So you can say I’m a bit of a junky . Oh cant for get what there orginal intention. My firearms are also set up with there own light source.

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  14. Grant M. (verified owner)

    Best flashlight from Fenix I have owned yet! The lowest setting is almost too bright lol. Battery life is amazing and I really like the new multipurpose clip. I like that Fenix added the new USB-C port for charging. I also like that it opens from the middle and not the back end. I was very impressed with the size as it almost the exact same size as my other flashlight with the smaller battery.

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  15. Peter H. (verified owner)

    Highest marks Fenix. You continue to push the bar higher and higher. This light is everything a user would want, amazingly bright with long battery life.

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  16. DON (verified owner)

    This is my third flashlight, great product and exceptional customer service

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  17. Ronald Bown (verified owner)

    Simply superb. Feels great, excellent runtime & brightness.

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  18. Lee P. (verified owner)

    As always the product quality and performance is top notch as with all Fenix Products. I have been purchasing for Years and now as a Fenix ambassador am able to be even more impressed. These lights were needed for a US NAVY function and the turnaround and shipping was the same day highly recommended.

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  19. Michael W. (verified owner)

    Fantastic light!

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  20. Cliff (verified owner)

    New PD36R looks and is amazing compared to my old E25. Long run time @1600Lm. If your thinking about buying it, stop, just buy it. You will never regret doing so.

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  21. David See (verified owner)

    I love this flashlight.

    My wife might tell you I have a “problem” with regards to flashlights.

    I’m always seeking out the best size vs. light output. I think I’ve finally found the perfect fit with the PD36R.

    This thing puts out so much light on its highest setting, it’s amazing!

    It’s a great form factor, and the rechargable battery (via USB C) is such a nice feature.

    If you’re hesitant on buying this one…. Just go for it. I doubt you’ll be disappointed!

    Good job fenix

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