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FrozenGate by Avery

Any of you guys have any good flashlights?

I got a 1W 3AAA flashlight from DX, took it apart, and hooked it up the a 9-volt. It was amazing!!! Not much throw with the reflector, but you could see the light from a LONG way away (100 someting feet). ;D It got so hot though, in about ten seconds it was hot enought to burn your hand. Though it did tolerate the heat very well. I left it on for an hour, and it was almost to hot to touch, but it still worked perfectly. :D
 





To add to Kenom's comments (above)
After 2 driver circuits failed (one killed a P7, the other kept switching modes)
I built my own driver circuit using a couple of low dropout regulators. Works very well but for only 30 minutes or so , as correctly stated.

Luckily I have about 24 18650 li-ions ;)



For those that may not have known,
18650 li-ions are fairly easy to get for FREE !

The majority of laptops have these fitted. Keep your ears open for anyone getting new batteries or laptops that have no use for the old ones.

I've almost always found that a couple of cells won't take a charge but the rest tend to work :)
 
jamilm9 said:
This is coming with the the flashlight
http://www.dealextreme.com/details.dx/sku.5776
do they come percharged.
Whats the difference between a 18650 and a 14500. Could i use a 14500 in the flashlight.
Click to expand...


The numbers tell you the size of the battery.  The first two numbers are the diameter and the last three numbers are the length.  An 18650 is 18mm in diameter and 65.0mm in length.  A 14500 is 14mm in diameter and 50mm in length.  In order to use the 14500 in the flashlight you would have to "shim" and fill the extra space in the tube.  Unfortunately, this does NOT take any "protection" circuits into account.  Sometimes the protection circuit and the heat shrinking make the battery too wide.

Peace,
dave
 
robjdixon said:
What is the 0 for then?
Click to expand...


650 = 65.0

500 = 50.0

I missed one in the posting

Sorry. I rarely include .0's ;)

Peace,
dave
 
daguin said:
[quote author=jamilm9 link=1230868617/20#20 date=1230996732]This is coming with the the flashlight
http://www.dealextreme.com/details.dx/sku.5776
do they come percharged.
Whats the difference between a 18650 and a 14500. Could i use a 14500 in the flashlight.
Click to expand...


The numbers tell you the size of the battery.  The first two numbers are the diameter and the last three numbers are the length.  An 18650 is 18mm in diameter and 65.0mm in length.  A 14500 is 14mm in diameter and 50mm in length.  In order to use the 14500 in the flashlight you would have to "shim" and fill the extra space in the tube.  Unfortunately, this does NOT take any "protection" circuits into account.  Sometimes the protection circuit and the heat shrinking make the battery too wide.

Peace,
dave[/quote]
Thanks for the fun fact. Do they come precharged?
 
daguin said:
[quote author=robjdixon link=1230868617/20#23 date=1231001879]What is the 0 for then?
Click to expand...


650 = 65.0

500 = 50.0

I missed one in the posting

Sorry. I rarely include .0's ;)

Peace,
dave[/quote]


Actually daguin, correct me if I am wrong, doesn't the 0 at the end signify the shape of the battery. 0 as in cylindrical.


I have no flashlight worth mentioning. But I am looking at a SSC P7 based light of DX, anyone got one that they would recommend?


thanks
brtaman
 
brtaman said:
Actually daguin, correct me if I am wrong, doesn't the 0 at the end signify the shape of the battery. 0 as in cylindrical.
I have no flashlight worth mentioning. But I am looking at a SSC P7 based light of DX, anyone got one that they would recommend?
thanks
brtaman
Click to expand...

You may be right.  The ".0" information MIGHT be a simple explanation that I read somewhere, because thinking about it in response to your statement, I cannot remember where I learned it   :-/

Bad form for a professor   :-[

I will do some research to find out for sure.  I have no reason to doubt your word.  I just need independent verification now that I realize that I may be (probably am) wrong.  Research has ruined my social life ;)

Peace,
dave

[highlight]**EDIT** [/highlight] Follow-up -- Although I cannot yet find any other "designations" for shape, there are more sites identifying the final "0" in the number as designating the cylindrical shape of the battery.  Good call brtaman  [smiley=thumbsup.gif] +1
 
I also thought the .0 explanation was correct for a while. Then I bought some 17670 batteries of DX of which one fits perfectly into a sonar II while the other is at least .5mm wider in diameter and has no chance of fitting, same goes for pretty much all batteries I bought of DX. Thats what got me thinking that the cylindrical designation explanation must be the correct one?


Thanks :)
brtaman
 
I have a SpiderFire Cree R2 based flashlight from DX, best flashlight I have. Runs on one 18650 and has high/low brightness modes.
 
I've got a few smaller DX lights and an aurora P7 (almost as bright as my headlights!). Nothing over $50 though.

FireMyLaser said:
The current is a bit low for 1W rated, only 280mA with [an 18650]
Click to expand...
280mA times 3.7V is 1.036W.

WizardKing said:
For those that may not have known,
18650 li-ions are fairly easy to get for FREE !

The majority of laptops have these fitted. Keep your ears open for anyone getting new batteries or laptops that have no use for the old ones.

I've almost always found that a couple of cells won't take a charge but the rest tend to work  :)
Click to expand...

This man speaks the truth. I snatched 6 of the 9 that were present in an otherwise dead laptop battery.
 
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