A Russian mine in Siberia just hit a huge vein of Cree Emitters, which should keep the world supplied for a while, unless Iran floods the market with a glut of Cree Emitters from under the sands.
I remember that in camp stoves, some are "dual fuel" which is Coleman fuel and unleaded gasoline.
The LED lantens I have over the years, not bright enough to be useful. One camping trip, I tried my LED lantern to walk from the camp fire back to my vehicle. Not bright enough. Had to get out my LED flash light and shine that down the trail.
Didn't have my Ozark fluorescent to try, but I think that would have worked fine.
I like it. being Coleman, it's probably fifty bucks?
Five hours on high -- not long enough to be useful, I'd think.
Fluorescent's/batteries= bad performance and old technology...been there with a hand-me-down. Coleman twin-mantel and Coleman fuel...it's like smelling napalm in the morning!
what type of batteries?
I was hoping to use mine to light a 8x12 shed. It was bright enough to see large objects but too dim to see any detail. Since I was reloading I didn't want to use the propane lantern.
NiCd rechargeable I think. I haven't used it in a while but iirc there are no replaceable batteries.
Internal, rechargable. Which suggests sub c nicads. My question, is there a provision for primary cells for when the nicads go flat? Or are you in the dark till you can recharge?
The Walmart brand fluorescent lanterns take four D cells, and much brighter.
Walmart also has "closet lights" in the small electrical section, 4 D cells, and can mount to the wall. Or, ceiling, if you're creative. I have a closet light over the light switch in my bedroom, for power outs.
Is there any way to use alkalines, for when the nicads go flat?
That "suggestion" is a wild ass guess. Could be anything.
I don't buy anything with nicads anymore. So many better choices,.
YOu may want to look into the led shop lights. Get one of them for about $
40 and a 12 volt to 120 volt inverter from Harbor Freight for about $ 20, the lowest powered one should be plenty and a deep cycle battery. Or maybe get one of their 120 volt generators for about $ 100 or less on sale. The generator probably will not last too long, but not that much either. You could power a lot of light with that thing and it should not cost that much to run. Just put it outside the building and on the opposite side of the door so no CO gets into the shed.
What do you do if the power goes out and you are not in bed? There are better solutions. I have a few lights like these
They serve as a night light in the hallway and if power goes out you have a bright light that can be used as a flashlight until you take whatever steps you need.
Sounds like a good idea. How long do they last? I wonder if an LED would last longer? My battery lights are good for about 40 hours. That translates to about 4 or more days if power was out very long.
How old are they? The Colemans I have are plenty bright for reading. They are about 2 years old and may be better than stuff from the past.
Only been working on consumer electronics for forty or so years. Yep, wild ass guess.
As a former volunteer FF, and former black and white film developer, I can find my way in the dark if I'm home and know the landscape already.
If I'm in public, always have two light sources with me, and some times three or four.
it could not ***possibly*** be any of the other rechargeable technologies?
I have several hand-held led lanterns that run on D cells - 20 LEDs on high and 10 on low - Plenty bright to read by - even with cataracts. The LED landing lights we are putting on the Pegazair will light up a full 2 stoy building from 600 feet away bright as day - and blind you if you are looking at them. I think they are 40 watts - mabee 60. And that's real power consumption - not "equivalent"
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