120 hours of continuous light?

I am looking for some kind of light that will last at least 120 hours of continuous light and must be battery powered.

I have tried these cheap Bell and Howell LED stick-em 3-AAA lights for cabinets, etc, but they look to be almost dead after 48 hours.

There's got to be better.

Thanks.

What battery will you be using?

With a current gen LED, you should be able to get around 10 lumen constant output for around 120 hours out of a D cell(then a long period of declining output). The Fenix L2D-CE Q5 gives around 60 hours of regulated output at low mode, which is around 15 lumen out the front.

:welcome:

Any battery with in reason will do. I just need more than 60 hours of continuous runtime.

In what shape? (I have a feeling this won't be a normal flashlight).

Maybe a Joule Thief with a D or C battery would do?

One of the many possibilities that should be easy to find is an Energizer Folding Lantern. It runs on 4 AA batteries. These used to be found at Target for around $6. Nice little utility light.

Geoff

What shape? I'm sure either you or someone here could custom make a light that would deliver 120hrs (5 days) of continuous light.

Hello Snewbie,

Welcome to CPF.

The Energizer folding lantern runs for 130 hours, on low, on 4 AA cells. The EternaLight also has excellent runtimes on the lower settings and it also runs on AA cells. Also, the Milkyspit MC2 runs for around 1400 hours on a pair of CR123 cells.

Tom

Ditto what SilverFox said - just wanted to throw more wood on that fire!

Sweet!! I'll look into them in the morning!!! Thank You.

Have you looked at the Palights

A Big Jim will run for over 100 hours.

A Lightwave 3C (or 3D) should do the trick. They are fairly large lights, and run on either 3C or 3D batteries. Waynejitsu is selling one here.

For a smaller light, any of the HDS EDC series lights (the 42, 60, or 85 lumen models) should be able to sustain their (regulated) low output for 300 hours. These lights are absolutely rock solid, but unfortunately, are no longer made. You can probably find them on CPF's Buy/Sell/Trade forums. A newer version is being made and sold, by the same man, here. This light runs for 1 week on low off its single CR123 battery.

Hope this helps!

- FITP

pak-lite on low

Energizer WeatherReady 4-D, 8 LED folding lantern claims 1-1/2 months of output for 5 hours per night or 245 hours on its single LED room light.

How about a 4-6D Mag with a Nite Ize LED drop-in? That should run pretty long.

http://www.niteize.com/productdetail.php?category_id=28&product_id=127

Nite Ize claim 110 hours on a 4 cell, and 165 on 6 cell.



For a small form factor, How about the Novatac 85p or 120p?

http://www.novatac.com/downloads/data-EDC-85-P.pdf

NovaTac claims up to 240 hours at .3 lumen output. That's off 1 CR123a though, so it's a nice circuit design.



Just some thoughts!

If I can get over 20 hours on my smjled mini maglite, I can only imagine what a 2d maglite would do.

snewbie said:

Any battery with in reason will do. I just need more than 60 hours of continuous runtime.

Click to expand...

75 on low for the nautlius i believe

HDS :twothumbs