Fenix LD01 Flashlight
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- LED blasts a max 72 lumens (1.5 hrs runtime) on turbo and 3 lumens (27 hrs runtime) on low selected by simple twist of the lights head
- Includes 3 lighting modes-Mid-Low-High
- Body Size: 3" (Length) x .25" (Diameter); 1 ounces; Waterproof to IPX-8 Standard
- Powered by 1 AAA batteries; easy to find and affordable (Not Included)
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The LD01 keychain flashlight is small enough to fit easily in the hand.
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 reliable twist switch for easy one-handed operation, a waterproof housing to the IPX-8 standard, and a spare O-ring. The LD01, which also stands on a flat surface to serve as a candle, weighs 0.5 ounces (excluding batteries). The flashlight carries a limited lifetime warranty.
- Bulb: Cree XP-E LED
- Bulb lifespan: 50,000 hours
- Lighting mode outputs: 28 lumens, 9 lumens, 85 lumens
- Runtime: 3.5 hours (28 lumens), 11 hours (9 lumens), 1 hour (85 lumens)
- Working voltage: 0.9 to 1.7 volts
- Construction material: Aircraft-grade aluminum
- Finish: Type III hard-anodized anti-abrasive finish
- Waterproof: Yes, to IPX-8 standard
- Accessories: Pocket clip, key ring, and spare O-ring
- Batteries: One 1.5-volt AAA (NiMH or alkaline)
- Dimensions: 0.55 inches in diameter, 2.95 inches long
- Weight: 0.5 ounces (not including battery)
- Warranty: Limited lifetime
Top Customer Reviews
However, Fenix has created confusion since upgrades to LD01, with marked changes in features, carry the same product name, LD01; the products are etched with the same name, as is the box. Only the data sheet is updated with new specifications. Multiple older versions in the Amazon catalog, with the largest user reviews, are obsolete. When you order through those older items, you get this instead, the LD01 R4, which is the current version, and some users complain they did not get what they ordered. For details, I've put the full review in the correct area of the Amazon catalog Fenix LD01 R4 72-lumen AAA Keychain LED Flashlight Black - Fenix LD01R4BLK.
I have had this light for 2 months now and have used it at least a couple times a day. I put a Energizer Ultimate L92BP-4 Lithium AAA Battery 4 Pack and have only changed the battery once. I put it on my key chain and hardly notice the addition. It is the perfect size (tiny) and doesn't add much size or weight to your pocket. I have found it invaluable to carry a flashlight all the time. On high this flashlight will light up the back yard better than my 3d Maglight. And on low the runtime is extremely long.
We have chickens that need to be locked up every night. We have plenty of lighting, but that gets the chickens all riled up. I use the flashlight on low and don't ruffle a feather, but still have enough light on high to find the occasional escapee.
Overall I can't think of a way to improve this light for my uses.
Naysayers will say it'll burn out prematurely... Well, the Cree XP-E spec sheet says it can handle a maximum of 3.9V so I'm not too worried. Check out the Fenix E05... same LED in a bigger body using a 3V lithium. Use common sense and don't leave the LD01 on the high setting until it's scorching hot and it'll be okay. It seems silly to use a AAA battery with this LED knowing it's rated up to 3.9V. Maybe it will shorten the lifespan using it this way, but that never stopped me from overclocking my computers either. CPU's always become obsolete long before any problems arise, so if you're not overclocking, you're not getting your money's worth. Same goes for this flashlight. If you're using AAA's in it, you're not using it to its potential.
Coming up on the 3 year mark and it's still going strong with daily use of Li-ion 10440 rechargeables.
I am sure there are people out there, who like me have no idea how this aluminum version will last with EDC. As you can see in my photo, the finish is still very good. The light works like new, and I have never had a problem yet. The glass lens has no scratches on it, and is still crystal clear. All this despite having dropped the light a countless number of times on concrete, in water etc etc.
Did I mention, that I EDC this thing in the same pocket as my keys? Even after nearly 5 years of abuse, this thing continues to serve me well. I am a huge fan of Fenix, and this light proves why.
This little flashlight is extremely well made with high quality materials. It should last many years if not abused. It is so much better than the cheap lights. I have had mine now for 2 years and it works like new. I even bought another for backup.
3 light levels: The twist on works well for me. I like the fact that when 1st turned on the level is medium. Next quick twist is low then high last. Medium is perfect for most needs.
The light is even lighter lithium batteries. Lithium batteries don't leak, have a very long shelf life and work over a wider temp range than alkalines. But they are expensive.
It is very bright considering it uses only 1 AAA. Warning: this light has a voltage booster circuit, so the light does not dim as the battery runs low so you can run out of juice w/o the light dimming first.
I carry mine in my back pocket below my wallet. I never ever feel it there. It's thinner than a slim wallet. (see photo) It's always there when I need it. Luckily I haven't left it in my pants and washed it yet. I think it would survive a washing because it has "O" ring seals. Comes with 2 spare "0" rings.
Highly recommend this very well made light. So much so, I now have 3 of these. Please note that the price fluctuates between $35 and $39.95. Not all of these come with a clip, so check the description carefully.
1 year update 1-13-13: Still working perfectly. No issues. After a few months having this light it has become extremely useful. I never realized how often I needed extra light at the house, work or car.
I would buy this exact same flashlight if I lost it.
Most Recent Customer Reviews
This light is just about perfect. I can't even think of an improvement right now. I had the equivalent from Leatherman for years and had to have several replaced because of... Read morePublished 14 days ago by Scott Brock
This little light is super bright. It works just as well as my larger olight. It's about the size of 1 1/2 AAA batteries stacked on top of each other. Read morePublished 2 months ago by Justin B.
This is the "updated" LD01 which has more of a "spot" pattern (the original LD01 had a more even illumination pattern). Read morePublished 2 months ago by L. Bittle
This is my EDC (every day carry) light. Small but bright, it disappears in your pocket until you need it. Read morePublished 5 months ago by Lint
Great little EDC (every day carry) light that runs for a long time on a single AAA cell. I've been running Sanyo Eneloop rechargeables in it. Simple user interface. Very handy. Read morePublished 6 months ago by leoniru
Best flashlight I have had for normal use and working on things. Only problem is I loose it at least once a week for a few hours. Read morePublished 8 months ago by Andrew Steven Zarkovich
My wife and I have had this little light on my keychain for 2 full years now. All of the edges show obvious signs of wear, but it still functions perfectly. Read morePublished 8 months ago by Emily Bradeen