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Fenix LD10 100 Lumens Waterproof LED Flashlight

4.4 out of 5 stars 75 customer reviews

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  • General Mode - High (45 Lumens, 4 hr 40 min) - Mid (13 Lumens, 11 hrs) - Low (3 Lumens, 70 hrs) - SOS (45 lumens)
  • Turbo Mode - Turbo (100 Lumens, 1hr 45 min) - Strobe (100 lumens)
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Product Description

Product Description

Specifications:Led Type: Cree XP-G (R5) LEDMax Lifespan: 50000 Hours Max Output: 100 Lumens Max Runtime: 70 Hours Adjusting Level: 3 Levels Switch Type: Push-button Tail Switch Battery Type: 1 AA Operation Mode:TurboStrobeSOSFeatures:Digitally regulated output - maintains constant brightnessMade of durable aircraft-grade aluminumPremium Type III hard-anodized anti-abrasive finishWaterproof to IPX-8 StandardAnti-roll slip-resistant body designCapable of standing up securely on a flat surface to serve as a candleToughened ultra-clear glass lens with anti-reflective coatingIn the box:HolsterLanyardSpare O-RingsRubber Switch BootPocket ClipDimensions:Length: 3.93 " / 9.98 cm Diameter: 0.84 " / 2.13 cm Weight: 1.9 oz / 53.86 g ANSIpliant Notice: The above parameters are approximate and may vary between flashlights batteries and environments. Battery Not Included

With its four lighting levels and two flashing outputs, the Fenix LD10 high-performance flashlight is ideal for hiking, camping, and general use.

The LD10 flashlight features a knurled surface to encourage a better grip.
The LD10 is equipped with a Cree XR-E LED bulb with a lifespan of 50,000 hours. The bulb's digitally regulated beam maintains a constant brightness during your activity, so you won't have to deal with a dimming beam while you hike. The LD10 produces four output levels: low (9 lumens), which runs for up to 34 hours on a single AA battery; medium (47 lumens, 6 hours); high (94 lumens, 2.2 hours); and turbo (120 lumens, 1.5 hours). As a result, users have plenty of lighting options for any scenario. Users can even use the flashlight as a strobe, with traditional strobe and SOS settings.

The flashlight is also well built, with a durable aircraft-grade aluminum body coated with a premium Type III hard-anodized, anti-abrasive finish. The construction--which also includes a toughened ultra-clear glass lens with an anti-reflective coating--helps the light hold up to all kinds of abuse. Other features include a pushbutton tail-cap switch; an anti-roll, slip-resistant body design; and such accessories as a holster, lanyard, body clip, rubber switch boot, and two spare O-rings. The LD10, which also stands on a flat surface to serve as a candle, carries a limited lifetime warranty.


  • Bulb: XR-E LED
  • Bulb lifespan: 50,000 hours
  • Output types: Low (9 lumens), medium (47 lumens), high (94 lumens), turbo (120 lumens)
  • Runtime: 34 hours (9 lumens), 6 hours (47 lumens), 2.2 hours (94 lumens), 1.5 hours (120 lumens)
  • Flashing outputs: Strobe, SOS
  • Waterproof: Yes, to IPX-8 standard
  • Construction material: Aircraft-grade aluminum
  • Finish: Type III hard-anodized anti-abrasive finish
  • Accessories: Holster, lanyard, body clip, rubber switch boot, 2 spare O-rings
  • Batteries: Single 1.5-volt AA (Ni-MH, lithium, or alkaline)
  • Dimensions: 3.93 inches long; 0.84 inches in diameter
  • Weight: 1.9 ounces (not including batteries)
  • Warranty: Limited lifetime

Product Details

  • Product Dimensions: 0.8 x 3.9 x 0.8 inches ; 1.9 ounces
  • Shipping Weight: 5 ounces
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item is not eligible for international shipping. Learn More
  • Item model number: LD10R5
  • Batteries 1 Lithium ion batteries required. (included)
  • Average Customer Review: 4.4 out of 5 stars  See all reviews (75 customer reviews)
  • Product Warranty: For warranty information about this product, please click here

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Really wish this could be a five star review. This is a great little light, it's just slightly less than life-trustingly reliable. If form and function were all that were required, this would be THE light to buy.

It's size is perfect for when you don't want to carry a full-size pocket light. It's about half the size of a SureFire tactical light or a MagLite.

It also gets points for functioning on a AA battery. With frequent daily use, this lasted a month on one lithium battery. Pretty good.

As an LED it remains cool and the bulb won't pop if you happen to drop the light while using it.

The best part, perhaps, are its 5 options for light. With the bezel moderately tightened, you get 3 levels of brightness at the push of a button, and a slow blinking S-O-S beacon for emergencies. Tighten the bezel all the way and you get the brightest setting and a strobe option. For dazzling opponents, or staging your own rave, I suppose.

In some instances it is inconvenient to have to push the button three times to get to the brightest level. It would be nice for it to "save" the last level used as some other similar models do.

The biggest concern is that it doesn't always light on the first push of the button. It seems the programming for the controls is faulty. There are times when you have to cycle through, clicking the switch 4 or 5 times before it comes on. For a light in the 50-70 dollar range this really shouldn't be acceptable.

I can't use this light where my life might rely on it instantly lighting (e.g. for personal defense situations), but as a tool for ultralight hiking on the trails, daily utilitarian purposes and such it's about the best in class.

I'd buy it again. But only for half the price I paid.
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I bought this flashlight after buying a Maglite XL100 and absolutely hating it. The Fenix LD10 is simple to operate, uses a single, widely available battery (AA), is very portable and looks pretty tacticool to boot. I know when I was looking online, it was hard to find an explanation as to how to operate the flashlight, so I'll tell you here. a single click of the button puts it into 3 lumen mode, a slight press of the button and back off brings it up to 30 something lumens, one more time brings it to around 50 lumens, and one last time brings it into SOS flashing mode. If you tighten the bezel all the way, it puts it into turbo mode, where a single click of the button will put it into 100 lumen mode, and a slight depress of the button again will put it into strobe mode. Honestly a very easy system to use once you get your hands on it. The clip is great, but removable if you don't want it. and the Anti Roll ring works quite well with or without the clip. All in all a great flashlight.

Edit: 2 years later

This thing is still my goto flashlight for pretty much anything i need a light for. Tough as nails and very bright. Clip is still perfect on it. I can't recommend this enough.
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I have carried this light daily in my pocket for years. It is a fantastic size & quite bright for a single AA battery. Nice features with a defensive strobe & the ability to step down the brightness for regular uses. I wish I had the ability to make the strobe the first choice on activation which would make it a better defensive light. It comes with some extra parts which is a nice touch from Fenix. It does include a case (which I do not use) and a clip (which I prefer) and will not roll away with the faceted sides. It is durable enough to be dropped, dunked or mounted. The crenelated bezel on the front is nice (especially since it lets you know before the batteries are dead that it is on if when you put it face down on a flat surface). Using AA batteries is great since they are widely available and cheap to replace when the kids get a hold of the "good light" but then forget to turn it off.
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Verified Purchase
The Fenix LD10 R5 is now being shipped.

Performance of the LD10 R5 according to their website is:
- Turbo, 100 lumens, 1 hour, 48 minutes
- Strobe, 100 lumens
- Low, 3 lumens, 70 hours
- Mid, 13 lumens, 11 hours
- High, 45 lumens, 4 hours, 40 minutes
- SOS, 45 lumens

The basic differences are slightly reduced output, longer run times, perhaps a little less efficient. I like the output range.

I was really happy with my first Fenix flashlight, an E21. But, it was a little too big and heavy for camping/hiking and there wasn't much difference between its two settings. So, the E21 got designated for home use. I wanted to give one of their smaller flashlights a try and decided on the LD10.

Overall, I'm very pleased with the LD10. It's light, sturdy and has a more diverse range of settings. The wide range of outputs allows for better battery management. On turbo, the single AA battery does get a work out and heats up pretty quickly.

I prefer the E21's neutral light color. The LD10 seems to have a slight green/blue tint (Not everybody is going to notice or object to this). The LD10 however, does include an anti-roll design, lanyard, holster and pocket clip. Shipped in an easy to open and reusable box, not the more difficult to open clam shell packaging.

My only concern is long term reliability. The tailcap is rather finicky. There is very little tolerance, it has to be tightened down all the way to work correctly. Unscrewing it even a degree or two and it cuts off or switches settings.

Very happy with my first two Fenix flashlights and plan on getting a few more.
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