Streamlight 73001 Nano Light Miniature Keychain LED Flashlight Review

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This well-constructed little flashlight is much brighter than I expected. I bought for use inside a tent, for which it is really too bright, but it's perfect on a keychain for lighting a path or door locks. Unlike many other LED keychains, you don't have to continuously press anything to keep it on, just twist the handle 1/4 turn.

The flashlight is really solidly built and extremely lightweight. Whenever they finally give up, I'll be replacing the included LR41 batteries with SR41, which cost about the same and last longer. For what you get this flashlight is a great bargain!

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Can't say anymore about how great this little keychain light is than has already been said, but HERE'S the answer for making this light stay together for you, and NOT come undone on you. Cut yourself about a 4 inch long by about 1/4 to 1/2 inch wide strip of teflon tape. That's the non adhesive type of tape usually in a small plastic round container that plumbers wrap around pipe threads to prevent leaks(white in color). The tape once you cut it should wrap completely around the flashlights threads twice around. This will CURE the flashlight from coming undone on you. :-) Another trick I came up with is for all of you that have trouble loading this flashlight up with batteries. Next time, try this. When you are ready to change the batteries, carefully open the flashlight with the keychain clip facing down. Unscrew the cap (with the led in it), and set to the side. Now take the half with the keychain clip on it, with the old batteries still inside, and place it upside down on a counter top or desk top surface. Next, very carefully lift that half of the flashlight STRAIGHT UP, so that all the batteries are stacked on top of each other. This will now show you the direction in which you will now make a similar stack of batteries with 4 NEW BATTERIES. NOW, place that same half of the flashlight over the stack of new batteries and go STRAIGHT DOWN with it until it is completely over ALL the batteries (now inside the flashlight half). Carefully slide the flashlight half with the batteries inside over to the edge of the counter top or desk top, keeping the flashlight half straight up. Only allow that flashlight part to get just to the edge not past it, and now place your finger by that edge so that you can slide the flashlight half over the edge and onto your your finger. You should now have the flashlight half with the batteries inside and the batteries held in there with your fingertip. Now screw on the other half of the flashlight to it and THERE YA GO!! :-) Hope it all made sense to ya's :-) GREAT little flashlght!!!

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I've needed a small flashlight for quite a while, as our backdoor is not well lit. I thought I would get a small single AAA flashlight, and found a very bright one for just under $50 (Fenix-made). However, after reading the reviews on this one, I decided I couldn't go wrong with trying the Nanolight.

This light may only be a 10+ lumen, single-LED light, but it is brighter than a 9 LED light we bought at a hardware store (for $2) that requires 3 AA batteries. Amazingly, this is so small that it is barely half the length of my thumb and more thin than any point on my pinky finger. It has a nice clip that fastens it to your keychain in a snap.

I bought one for myself and my wife, and we use it in place of any light in our car.

With new LED technologies just around the corner, why pay more for other, expensive LED lights when you can get this for so little and choose to upgrade later if needed?

We will be buying a lot of Nanolights for Christmas later this year. It is water-resistant, powerful, and always there when you need it without taking up room in your pocket.

There are two drawbacks. One is replacing the four tiny alkaline batteries (using the same size hearing aids use). Fortunately, the cells are pretty cheap and the light is supposed to last up to 8 hours on a set. The second drawback is that the light has a real tendency to fall apart the more it is used. However, there is a fix for this. Simply put Teflon tape on the threads.. This will keep it waterproof while assuring the bezel can't easily work itself loose.

Once you get it, you will wonder how you got along without it.

UPDATE: I've found out that the hearing aid batteries that work in this light are zinc-air batteries. They work, but they require access to air, which means when the batteries exhaust the air in the waterproof casing, they stop working. You need to unscrew the top and let it set for a minute or two to get the full charge back.

Please search Amazon for bulk LR41 batteries--you will find them so inexpensive that any concerns about availability or pricing for replacements will fade away. These are alkaline batteries, so you won't have the problem I mention above.

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I wished I had read the previous reviews more carefully.

On the plus side, it is a nice little compact flash light, solidly made and bright, but it has a design flaw. The "on" mechanism of the flashlight, requires you (to use two hands) to twist and screw/tighten the flashlight. However, if you keep this flashlight in you pockets along with your keys and stuff, I guarantee you that eventually the unit will unscrew itself and all the batteries will fly loose and the unit separates when you pull it out. It has happened to me twice already, and one time I lost one of the four cell batteries and had to buy a replacement battery (they sell as a pack of 10, albeit not too expensive).

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That pretty much says it all for me. It's an amazing little light, but it doesn't really work for my purpose. I wanted something to put on a key chain to be able to see the door lock at night. Usually I am coming in with one arm full of "stuff" and so have only one hand free to unlock the door but then I cannot turn the light on with just the one hand. I wish it had a button on/off switch, or a momentary on/off.