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Fenix HM50R USB Rechargeable Headlamp

Max Lumens: 500
Modes: 4
(56 customer reviews)

$80.00 $52.95

Holiday Sale Price of $52.95!!!

Never let the elements keep you from pursuing your passions. Introducing the HM50R rechargeable headlamp with its lightweight and indestructible body. Don’t let its small size fool you; this headlamp is power packed throwing a 500 lumen beam to a max range of over 250 feet. Its surprisingly long run time at lower settings and fantastic value makes it the perfect partner to take camping, hiking or running when your goal is to extend your day. The HM50R is one of our top picks for an everyday rechargeable headlamp. One 16340 rechargeable Li-ion battery is included or you can use one CR123A lithium battery to power it. This rechargeable headlamp also comes with a spare O-ring, spare rubber anti-dust cover, spare silicone holder, charging cable. Watch the HM50R quickly become your go-to headlamp!

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: 500
Modes: 4


fenix hm50r headlamp specification chart

Headlamp Size (including the lamp holder):
Length: 2.7″ (67.5mm)
Width: 1.3″ (33mm)
Height: 1.1″ (28mm)

Headlamp Weight:
2.2 oz. (63g) excluding battery

One 16340 rechargeable Li-ion battery (Included) or one CR123A lithium battery

ARB-L16-700 Li-ion battery, spare O-ring, spare rubber anti-dust cover, spare silicone holder, charging cable

Limited Lifetime Guarantee from Fenix Lighting U.S.

  • Uses Cree XM-L2 U2 white LED with lifespan of 50,000 hours
  • Powered by one rechargeable 16340 Li-ion battery or one CR123A Lithium battery
  • Micro USB rechargeable headlamp (16340s only)
  • Premium type III hard-anodized anti-abrasive finish
  • Material is quality aluminum
  • Easy operation with only 1 switch
  • Can be used as a mini flashlight
  • Reverse polarity protection to guard against improper battery insertion
  • Sweat-channeling, reflective headband
  • Capable of withstanding temperatures down to -40º (CR123’s ONLY)
  • Toughened ultra-clear glass lens with anti-reflective coating
  • IP68 rating – underwater up to 6.6 feet/2 meters and dust proof

ON/OFF: Press and hold the switch for 0.5 seconds to turn on/off the headlamp.

Output selection: With the headlamp switched on, single click the switch to cycle through Low→Med→High→Turbo.

Note: The headlamp memorizes the last selected brightness. When turned on again the previously used brightness level will be recalled.

Battery level indication
With the headlamp switched off, single click the switch to display the battery level for 3 seconds in different colors:

  • Green constant on: more than 80%
  • Green flashes: 50% – 80%
  • Blue constant on: 20% – 50%
  • Blue flashes: less than 20%

Uncover the anti-dust cap and plug the Micro USB terminal of the charging cable into the charging port of the headlamp. Once you’re done recharging this headlamp, be sure to remove the charging cable and replace the anti-dust cap. The max charging current is 700mA, and the charging time is about 1.5 hours. The indicator displays blue when charging, and turns green when fully charged. The headlamp can only be used on Med output when charging.

Warning: Avoid charging non-rechargeable batteries.

Intelligent Overheat Protection
The light will accumulate a lot of heat when used on Turbo output level for extended periods. When the light reaches a temperature of 65°C or above, the light will automatically downshift to High output to reduce temperature. Reset to Turbo if needed.

Low Voltage Downshift
When the voltage of the 16340 battery in use drops lower than 3.0V, the low voltage downshift function will be activated. In this state the headlamp cannot be used on Turbo output and will only cycle through High, Med and Low.

Extended Runtime
The headlamp will automatically step down by a few lumens after being used for an extended period on any of the High, Med or Low outputs, to extend runtime and to guarantee illumination outdoors.

Use as a flashlight
Remove the tail cap and the battery, then remove the headlamp from the holder. Re-insert the battery and screw back the tail cap.

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

Headlamp Holder Replacement
The headlamp holder is made of enhanced silicone, which gives it good anti-tearing ability and mechanical strength, and makes it resistant to low and high temperature, ultraviolet rays, acid and alkali corrosion. The material feels smooth to the touch and should not cause allergic reactions.

If the headlamp holder needs replacing, open the tail cap, remove the battery and the holder, and replace with the new spare holder.

Headband Assembly
Notice: The headband is factory assembled by default.

Usage and Maintenance

  • Disassembling the sealed head can cause damage to the lamp and will void the warranty.
  • Fenix recommends the use of only excellent quality batteries.
  • If the lamp will not be used for an extended period, remove the battery, or the lamp could be damaged by electrolyte leakage or battery explosion.
  • 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.
  • 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 headlamp is a high-intensity lighting device capable of causing eye damage to the user or others. Avoid shining the headlamp directly into anyone’s eyes.

56 reviews for Fenix HM50R USB Rechargeable Headlamp

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  1. Mark (verified owner)

    Best little head-mounted worklight

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  2. erik K. (verified owner)

    Super bright I love it, also very lightweight.

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  3. George H. (verified owner)

    Best headlight I ever had

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  4. Mark E. (verified owner)

    Awesome light. The bright (#4) is really bright. Low is more than enough for walking in and out from hunting sites, #2 enough for field dressing.

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  5. Kim Roseberry (verified owner)


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  6. Christopher Kralles (verified owner)

    Excellent fit, lightweight, very bright, I love the angle adjustment… Simply rotate the light unit. Would recommend to a friend for certain

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  7. Dillon Wilson (verified owner)

    Very comfortable and works great. Nice rechargeable headlamp. Also comes with extra pieces for later use

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  8. Brent H. (verified owner)

    Similar to another, older headlamp from Fenix (HL50), which I love as well. Not as much time with this one yet, but it looks similar, lightweight, durable and bright.

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  9. Scott G. (verified owner)

    Light and bright. Best part is the removable lamp so you can set it beside you if needed. Have I mentioned how bright this thing is? Very..

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  10. Anonymous (verified owner)

    Awesomely awesome

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  11. Bob (verified owner)

    Awesome light. Not sure about the battery duration for the brightest setting, but it’s bright enough to light up an entire campsite. Best headlamp I’ve owned. Well worth the money.

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  12. Diego Rojas (verified owner)

    I’ve had this light for a few months now. Its well built and the materials are high quality. The battery life is good and lumen to weight/size is excellent. My only suggestion would be to add a red led function. With that, this would be the perfect headlight. Highly recommend for all types of use.

    2 out of 2 people found this helpful. Was this review helpful to you?
  13. Tim Johnson (verified owner)

    Very Bright, but an easy touch and you are at a low lumen

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  14. Anonymous (verified owner)

    This light was mounted on a hard hat and works very well. The beam is not highly focused so you can see your work and the periphery. It was a pleasant surprise to see that it shipped with a rechargeable battery. That you can take the light off the mount easily and use it as a flashlight or set it for work lighting is a plus.

    1 out of 1 people found this helpful. Was this review helpful to you?
  15. Daniel Awesome (verified owner)

    Wish it stayed high powered longer but it did what I needed it to all night long. It loses lumens pretty fast. 5 mins, you’re down a notch, 10 more mins, another notch, then it stays here for about 12 hours.

    Keep this in mind, the first two brightness’s will make the entire environment visible, it’s surreal to be honest. That only lasts about 15 mins. Then you sit at above basic headlamp level for a very long time (30 Lumens). After that it drops to a very dim low level but it’s still light. That will last you about 24 hours. If you’re in a survival situation with no way to charge this is going to save your life over the 5 or 6 hours a AAA battery headlamp will get you. In total you’re looking at about 1.5 or 2 days of USABLE TIME (meaning the headlamp is turned on) before it runs out.

    So again, 500Lumens (first 5 mins), 130Lumens (next 10 mins), 30Lumens (for several hours 12 or more), then low for about 24 hours. This is not off the chart they have, I’ve tested this myself in an actual wilderness environment.

    Believe it or not, getting around a campsite at 30 Lumens is plenty. You’ll find at 30Lumens your camp mates will be angry at you for shining the light in their face. Bright enough if people complain about how bright it is right?

    Final note, if you get yourself a solar USB charger (50$ to 70$ on amazon), you have a headlamp that wont quit usable for months or even years. Tested and proven at a month.

    2 out of 3 people found this helpful. Was this review helpful to you?
  16. Anonymous (verified owner)

    Awesome headlight, plenty bright for a bike light or running light, I use it for camping and hiking, way better than the old AAA nonsense

    1 out of 1 people found this helpful. Was this review helpful to you?
  17. Jason R. (verified owner)

    Very nice headlamp. Use it for trail runs, lightweight and bright.

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  18. Allan Kauders (verified owner)

    Small, bright, powerful

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  19. Jon (verified owner)

    Great product. Very happy with fit, finish and performance.

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  20. robert (verified owner)

    Outstanding headlamp. Its everything you would ever need. Durable, waterproof, adjustable, easy to use, great battery life, and its very bright. What more do you need?

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  21. Bruce N. (verified owner)

    Excellent quality and brightness

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  22. Corey Smith (verified owner)

    Awesome Light

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  23. Tristen Wood (verified owner)

    Battery life is decent but where do I get a spare rechargeable battery? It dies while at work( work outside and field expedient repairs by headlamp are a must and remote so no place to charge)

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    • Dianne (store manager)

      The HM50R takes the ARB-L16-700 battery, which is also sold on our website. I will email you with links to the options, or, type L16-700 into the search bar and a number of choices will come up.

  24. Sergey Bikowsky (verified owner)


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  25. Austin C. (verified owner)

    This is a great light. I’ve had many headlamps in the past but this is my first Fenix. I was turned onto it by a coworker. It has a great hybrid beam. At all levels there is a hot spot in the middle and then a very wide spread pattern. It is also super compact. I’m thinking of getting a couple more for the family.

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  26. Stephen R. (verified owner)

    The head light has several settings and the illumination at night is remarkable. Also, light weight and very comfortable on your head.

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  27. Steven M. (verified owner)

    Excellent headlamp!!!! Better quality than the black diamond and petzel, imo. Very simple and usable features. Comfortable and great looking, too. I took back my black diamond spot and got this bad boy instead. Great purchase!

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  28. Anonymous (verified owner)

    Very bright, very compact and light weight, easy to charge, easy to install on helmet for riding my OneWheel. Excellent product!

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  29. Randall R. (verified owner)

    Awesome light, very bright, and well built! A great value for the price.

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  30. Cory Yost (verified owner)

    Very durable and simple to use. Had this light on for hours in sub-zero weather and it was flawless. Indicator light said when it needed a charge and after a short charge up it was ready to go.

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  31. KEVIN L. (verified owner)

    I use this thing a lot – far more than my more powerful HL60 since it is much lighter. Excellent beam spread for working in low light or in the dark – just perfect!

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  32. Gerry M. (verified owner)

    Great products

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  33. T (verified owner)

    What I like about the HM50R is the simplistic design. Just four brightness modes with a big, easy to use button. When winter mountaineering, I always had to take my gloves off to operate my Petzl headlamp. When in freezing and precarious situations, it’s sometimes easy to get into different color and flash modes, which takes time to scroll through. (I don’t want all of these modes in a headlamp – I have them in my compact hand-held.) It is also very compact, feels durable and has a much better beam pattern (nice even fill) than other top headlamps I have owned. If this is what you are looking for, then Fenix has done a great job filling this niche.

    1 out of 1 people found this helpful. Was this review helpful to you?
  34. Anonymous (verified owner)

    Great lamp at what I considered a reasonable price for what you get. Love the endless position rotation for beam rotation.

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  35. Doug (verified owner)

    Great light

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  36. Randall D. (verified owner)

    This is a fantastic piece of kit and a great company to deal with. Buy this light; you won’t be disappointed.

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  37. John C. (verified owner)

    My favorite all-around headlamp for backpacking. Compact, relatively lightweight, mid setting is plenty bright. Best headlamp I have ever used after decades of using other name-brand headlamps.

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  38. Jose C. (verified owner)

    I’ve had low and high end head lamps. This one is a keeper for sure.

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  39. Tim (verified owner)

    Exactly what I was looking for in a headlamp for trail running. Great product.

    1 out of 1 people found this helpful. Was this review helpful to you?
  40. Paul W. (verified owner)

    I just used this lamp on a one month bicycle tour. It is the BOMB! Great headlamp!!! Nice range from low to high, good battery life, really bright when you need it and so comfortable I would forget I had it on. I could also mount it on my bicycle helmet. It would be a perfect EDC if it had a clip.

    2 out of 2 people found this helpful. Was this review helpful to you?
  41. Scott (verified owner)

    Headlamps keep getting better and right now this one is the best I’ve seen. Standard rechargeable battery, waterproof, very bright output, battery indicator, infinitely adjustable tilt angle, very light at 3oz for backpacking. Also comes with a 2nd sleeve for mounting the light somewhere other than the head band. Well done Fenix.

    2 out of 2 people found this helpful. Was this review helpful to you?
  42. Anonymous (verified owner)

    Super bright! So far so good – we’ll see how waterproof it really is.

    1 out of 1 people found this helpful. Was this review helpful to you?
  43. Anonymous (verified owner)

    This is a great light. It is light and simple to use. There isn’t a myriad of useless options and button pushing sequences to remember. I use this head lamp for running.

    2 out of 2 people found this helpful. Was this review helpful to you?
  44. Nathan M. (verified owner)

    Nice light. Very bright!!!

    1 out of 2 people found this helpful. Was this review helpful to you?
  45. Alan (verified owner)

    Very light, well built, and very, very bright with simple controls. A must for my backpack. Only thing missing is a strobe feature, else perfect.

    1 out of 1 people found this helpful. Was this review helpful to you?
  46. William Biddle (verified owner)

    This is a very nice compact headlamp. The USB rechargeable battery is a great idea.

    1 out of 1 people found this helpful. Was this review helpful to you?
  47. Kestrel S

    This is a great, reliable light. Designed for extreme conditions like mountaineering or long-term backpacking. However, I don’t understand how this ‘last-resort’ light is missing the signaling functions, for example, one short flash every 5 seconds, or sos. You don’t need those functions on ‘base camp’ lights like TK35UE. But you definitely need it on this one, because just in case!

    2 out of 2 people found this helpful. Was this review helpful to you?
  48. Anonymous (verified owner)

    Would give a 5, but the flashlight auto dims after a short time on high.

    2 out of 2 people found this helpful. Was this review helpful to you?
  49. Thomas (verified owner)

    A very nice headlamp. Light weight and comfortable. The rotating light makes up close work easier. Light output is great for outdoor night time activities. Well made and looks like it will last for a long time. A good purchase.

    1 out of 1 people found this helpful. Was this review helpful to you?
  50. James Kuan (verified owner)

    I am using HM50R almost everyday. I carry it all the time when I am at work because the working environment is not bright enough and I need both hands to work. It is great EDC headlamp for me.
    But I like the HL50 head bend clip. It can remove the lamp easily and you can redirect the light direction easily.
    I like HM50R turn on but not HL50. HL50 can turn on easily in your pocket and loose battery charge.
    I like HL50 battery choice.
    I also like LD15R’s light function. If the LD15R clip be removable then that will be very good.
    The USB charging port seems has a big gap. You can see the light coming out if the rubber plug is off. I crazy glue the rubber so there is no chance for water leak to ruin the light.
    We need all the good functions together and not separate to all 3 different models as we can not carry 3 lights.
    Currently I have all 3 and really hate those functions can not combined to one. I use the HL50 head bend and HM50R flashlight. I have LD15R but because of the permanent clip so I couldn’t use it on the head bend.
    Also the battery selection. I would suggest CR123,16340, or LIFePO4. should all be able to use and of course the adapter.

    3 out of 4 people found this helpful. Was this review helpful to you?
  51. Troy D. (verified owner)

    I bought this specifically for running at night as it is very minimalistic and lightweight. I have been very satisfied with its performance. I usually run it at setting 3 which is just over a hundred lumens. This lasts over a week with my running schedule. This allows me to see all the ground about 20 feet in front of me to prevent myself from running into holes etc while not being too bright towards oncoming vehicles if I am running on a sidewalk. If I need it brighter the push of one button bumps it up to 500 lumens. I also run with a pd35 tac and use that if I want 1000 lumens to light up and Id something. My only complaint is that the beam is so wide that it slightly reflects off the top frame of my glasses no matter how high I mount the headlamp and even rotating the beam up some, granted the frames are a polished silver color so if they were a matte color maybe I would have different results. I dont ever have this issue with the hr60 but it bounces around too much and is front heavy for running.

    3 out of 3 people found this helpful. Was this review helpful to you?
  52. Michael S. (verified owner)

    Another wonderful Fenix product. The band is well made, designed and styled, and the light itself is a pleasure to use. Very pleased with the purchase.

    1 out of 1 people found this helpful. Was this review helpful to you?
  53. Rob Reed

    Love this headlamp. Minimalist design yet versatile – loaded with all the function I want – and the Turbo mode gave me all the light I needed and more. The beam filled the confined space I was working – better than expected. Also, once I got used to the single side switch – I found it easier to use than my prior HL that had top-side switches. Best of all – the USB recharging is so simple and smart – I can charge it anywhere – and now I’m not constantly over-paying for CR123A’s. The Fenix HM50R checks all my boxes: lightweight and minimal/simple, bright, durable, versatile, and rechargeable! This is my new favorite tool.

    2 out of 2 people found this helpful. Was this review helpful to you?
  54. Scott (store manager)

    I love this light. I’ve used it camping several times already. I use it instead of my HL60 around the house and exercising outdoors due to the lighter weight. 500 lumens is more than enough light for me and so far it has worked flawlessly. Thanks Fenix for another awesome product..

    2 out of 2 people found this helpful. Was this review helpful to you?
  55. Bruce B

    Love this little light. Keep it in the console of my truck for emergencies. It, being a headlamp and hands free, has replaced the regular flashlight I kept there.

    1 out of 1 people found this helpful. Was this review helpful to you?
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