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Streamlight Nano Light Review | Where Compact And Useful Meet



Being caught in the dark isn't always pleasant, especially in an emergency situation. That’s why most preppers have one or more portable light sources available. Lately, LEDs have become widely available and popular in the marketplace because they provide a lot of light in a small package. One notable offering is the Streamlight Nano Light ®.

Now before I begin, let me admit some of my biases. Over the last five years, I have been a big fan of Princeton Tec LEDs and own several of their products. I own several Pulsar IIs and carry one as part of my EDC gear. I also own multiple Fuel headlamps and have them in my Go Bag, Office Kit, and my Car Kit. They have served me well over the years so I am inclined to prefer them over other lights.

Streamlight Nano Light Review

However, several of my prepper friends raved about the Streamlight products. What I decided to do was investigate a few of them to see how well they fit in with my life and preparations. One that caught my eye was the Nano, which is a very small LED light that is somewhat comparable to the Pulsar II. I got one for myself and decided to begin using it.

First Impressions

Well, it is small. It certainly won’t break your back when you are out hiking. The Nano is made from aluminum, much like Maglite® flashlights. It feels solid and well-made, which inspires confidence. The design is clever too because the LED is recessed in a concave housing at the end of the light. Somebody definitely put some thought into this little light. Speaking of light, the Nano sheds a lot of it! This little unit generates 10 lumens, which is a decent output from such a small unit.


I decided to clip the Nano to my big Camelbak backpack so I could have it on-hand for some upcoming trips. My goal was to have a little light with me when I was out and about, and the Nano was a great companion. When I needed it on, I simply twisted it and had bright light. It actually came in handy a few times when I was in Europe and didn’t have my Maglite Solitare with me. In fact, I don’t think I have taken it off of my backpack for more than ten minutes since I got it about three years ago. It is a great back up light that doesn’t get in the way.

Projected Costs

A Streamlight Nano Light® will cost around $8, which is a good deal for a rugged LED light. It uses four LR41 alkaline batteries, which run about $0.50 each in a multi-pack. The manufacturer rates the LED at 100,000 hours so it will last a long time.


I was pleasantly surprised by this light. It fit right in with my other gear and has been a reliable tool since I purchased it. The sturdy aluminum body makes it feel bigger and more solid, despite the Nano’s diminutive size. The light output is great, it is certainly more than enough for emergency or backup purposes. I take my Nano with me every time I grab my big Camelbak, whether it’s for a casual hike or a long journey. It is a part of my life now and it feels good to have it available when I need it. I know the Nano will be there for me.

Streamlight Nano Light Review | Where Compact And Useful Meet on a backpack


Rugged, machined aluminum body. Intense light output.


Less-common battery type might be difficult to obtain in an emergency.

Bottom Line:

Great little light that is easy to carry and packs a lot of illumination in a tough package.

Overall Rating 8/10

Streamlight Nano Light Review | Where Compact And Useful Meet

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  1. InklingBooks

    March 10, 2017 at 7:18 AM

    Quote: “This little unit generates 10 lumens, which is a decent output from such a small unit.”

    For those who understand lumens, that’s about right for getting about either indoors or on a trail. When the latter is treacherous, a light can be particularly handy for avoiding tripping and stumbling.

    Too little light in the moonlight mode, about 0.6 lumen, is the one failing of my otherwise excellent Thorfire PF01S. Lighting that low only works when your vision is highly dark adapted and then only barely. That said, in moonlight mode the PF01S does give about 15 hours of (dim) lighting off a single NiMh AAA battery.

    Like you, I wish Streamlight had picked a more common battery type, perhaps AAA. I also hope they’ll create a version with a red LED. Our night vision is most sensitive to red light. Red wouldn’t interfere with night vision and might prove popular with aviators and astronomers.

    • Doug Adamavich

      March 17, 2017 at 10:59 AM

      To pack of lot of output in a small package, I think Streamlight was compelled to use an odd-ball battery. Princeton Tek does the same with the Pulsar series, although you see more of the CR2016 button cells out there than LR41s. So it’s a compromise, which I can live with. What is impressive is how sturdy the aluminum case is, this light can take a beating.

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