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Old 08-31-2004, 04:58 PM   #1 (permalink)
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Location: ~
What do you know about Forever Flashlights (flashlights that are powered by shaking)?

I'm thinking about getting a forever flashlight.

What do you know about them and do you recomend them or advise against buying one?

what's a good price for one?

http://www.thinkgeek.com/gadgets/lights/5a9f/
Quote:
# Super bright blue/white LED
# Never needs batteries
# Never needs bulbs
# Waterproof
# Floats in water
# Visible for up to one mile
# Great for cars, boats, server rooms, and all emergency kits
# Dimensions: 11.25" x 1.5" dia. for Regular, 9.75" x 1.5" dia. for Medium, 6.5" x 1" dia. for Micro
# Weight: 11.8 oz (335 grams) for Regular, 8.5 oz (241 grams) for Medium, 3.6 oz (102 grams) for Micro

EDIT: would you recomend another type of self charging flashlight?
http://www.thinkgeek.com/gadgets/tools/63d1/

Last edited by Randerolf; 08-31-2004 at 05:21 PM..
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Old 09-01-2004, 04:38 AM   #2 (permalink)
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Location: Rotterdam
I know how it works.
- Shake the flashlight. This wil move a magnet inside a coil wich produces power.
- The power is stored inside a capacitor.
- When the capasitor is fully loaded you can use it for a fw minutes.

The second design was used decades ago. It's a good one.

For both flaslights the is a disadvantage. When you don't use it once every month the capacitor can break down.
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Old 09-03-2004, 07:26 PM   #3 (permalink)
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They're pretty useless. You have to shake them for a minute and if that doesn't seem like much, it is. Gets you in practice for other things though. Like self gratification without the gratification. Then it only lasts a minute. The small ones are useless but the big one would be nice in a pinch. I have 3 and only the big one is useful for anything.

BUT
They have a HUGE permanent magnet inside, gotta keep it away from credit cards hard drives, monitors, tv's all sorts of things. So they're a bit dangerous in that way. I like my l.e.d. flashlights. I suggest led.net Best of luck. Batteries remain a bitch, but I use rechargeables from energizer.
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Old 09-05-2004, 09:29 AM   #4 (permalink)
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Location: Go A's!!!!
my GF bought me one of them for my birthday in August to keep in my car/tackle box

So far it has worked just fine, I think it is a novel idea and if it lasts as long as it says it will (bulb) etc then it will be a nice cheap investment.
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Old 09-10-2004, 05:33 AM   #5 (permalink)
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Location: on my ass :) - Norway
Hm... tape it to your hand and...voilla... no more reading pornmags in the dark
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Old 09-13-2004, 07:37 PM   #6 (permalink)
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Location: Florida
Quote:
Originally Posted by freeload
Hm... tape it to your hand and...voilla... no more reading pornmags in the dark

Haha! Best idea yet!
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