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Old 12-31-2005, 05:04 PM   #1
Call_me_Tom
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Default Surefire E2E LED Conversion Question

Iím currently stationed in Iraq and I was lucky enough to get my hands on a
Surefire E2E . My only grip is that it eats batteries at the cyclic rate. I was surfing the net when I ran across these two LED Conversion heads.
KL1 KL4

Iím not very knowledgeable about flashlights so Iím asking which one would be the better choice as there is about a $70 difference between the two products.

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Old 12-31-2005, 05:22 PM   #2
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Looks like the KL1 has one LED that produces 30 Lumens, and the KL4 has 5(?) that produce 65 Lumens, which is the same output as the normal E2E bulb. Being where you are, I'd probably spring for the brighter one.

Thanks for serving, and come home safe!

Edit: Also, the brighter one seems to have a 1 hour run time at 65 lumens, as opposed to the longer but less bright KL1, which has 3 hours of half as bright and 3 hours of what it calls "useful output".

If it were me, it would depend on what I was doing over there. If I was using it to look at the underside of vehicles for maintenance work, I'd do the longer running less bright one. If I was trying to clear buildings, or look for IEDs under cars or anything, I'd probably go with the brigher one, which isn't much of an improvement over the regular bulb, battery use-wise.

Last edited by jamz; 12-31-2005 at 06:05 PM.
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Old 12-31-2005, 05:58 PM   #3
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I bought a Surefire 6P for use on the submarine, and yes it eats batteries quick. Those 123 Lithiums are not cheap either. I heard the LED conversion will cut down on battery use though. Man I love that light though. The beam is frigging amazing for such a small light. Screw Maglite. Just what I want is something that burns up a bulb everytime you turn it on. I would spend the money and get the KL4 you will retain more lumens. When you go to the LED you will lose a little. But get the KL4. ALso think about getting a rechargabe conversion kit. And if you don't have the rig for red diffuser get it. I got it for mine because we rig the ship for black at night when we are at Periscope Depth. I'm sure it would come in handy at night in Iraq.

DP
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Old 12-31-2005, 06:05 PM   #4
ZoomnWRX
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LED uses much less electricity than regular bulbs. I would imagine the price difference is worth it to you to have a reliable light source. I'n not a light guru, but my led christmas lights were very bright!
Hope you have a safe new year over there! I support each and every one of you!
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Old 12-31-2005, 06:07 PM   #5
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Interestingly, I just ordered 2 more battery packs today from surefire.
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Old 12-31-2005, 06:10 PM   #6
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Get the KL4, that way when some dude in a mask comes running at you yelling "Allah-o-Akbar" you can fry his retinas.
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Old 01-01-2006, 01:03 AM   #7
DonkeyPunch
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Quote:
Originally Posted by Neek
Get the KL4, that way when some dude in a mask comes running at you yelling "Allah-o-Akbar" you can fry his retinas.
Yes you literally can. Surefires are that bright you can stun someone long enough to double tap them, or whatever else you need to do to them. If it was hard to get the flashlight over there, let me know if you need help getting the accessories, and I can get them and send them out to you. I will always help out a fellow soldier/sailor. I have a surefire dealer 25 minutes from my house.

DP
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Old 01-01-2006, 01:44 AM   #8
Call_me_Tom
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Quote:
Originally Posted by jamz
Looks like the KL1 has one LED that produces 30 Lumens, and the KL4 has 5(?) that produce 65 Lumens, which is the same output as the normal E2E bulb.
Quote:
Originally Posted by jamz
I'd probably go with the brigher one, which isn't much of an improvement over the regular bulb, battery use-wise.
If I understand you correctly you are stating that the KL4 will produce the same amount of light and the same battery life as my current bulb, am I correct? If this is the case would it even be worth the investment to spend so much money?
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Old 01-01-2006, 01:57 AM   #9
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Quote:
Originally Posted by DonkeyPunch
ALso think about getting a rechargabe conversion kit. And if you don't have the rig for red diffuser get it.
I took another look on the Surefire site and it doesnít look like they make a recharging kit for the E2E. Iím also not sure if the colored filter lens that is made for the E2E will fit over the KL4, does anyone have any input on this?
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Old 01-01-2006, 12:14 PM   #10
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Check this out, look at the L4 LED flashlight, under the LED lights section.

http://www.surefire.com/maxexp/main/...1071/sesent/00

Basically it is the E2E ordered straight up. The KL4 LED what they use on that light. They list the F05 and F06 for lens filters. So that would lead me to believe that those filters fit the LED after you convert to it. If you look the bezel is still the same size as it was before the conversion. So I would get the F05/06 filters. And while your at it still buy batteries. You can get a box of the things for $21.00 off their website. If you need help PM me.

DP
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Old 01-01-2006, 01:35 PM   #11
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I own both (E1 + KL1 and an L4). It depends on what you want the light for. Typically, if you want a task light, the KL1 is ideal since it won't be "too" bright, and it's got good battery life.

However, I would imagine the KL4 would be ideal for you, as it'll give you 75 minutes or so of constant brightness at around 65 lumens. It'll be as bright as the original E2E with slightly longer battery life. LEDs are NOT that much more efficient than bulbs (sorry, it's just not true). However, the KL1 and KL4 are current regulated so that you get constant brightness up to a point, and then it drops off quite a lot.

One thing to be aware of: the KL4 produces a lot of heat. After about 10 minutes or so, it gets pretty difficult to hold. LOL. It won't burn you though.

Good luck!

(Oh, the batteries are $15/dozen. If you spend $99, shipping is free. I usually order 7 dozen for $105. )
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Old 01-01-2006, 02:00 PM   #12
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Quote:
Originally Posted by krazyK1371
If I understand you correctly you are stating that the KL4 will produce the same amount of light and the same battery life as my current bulb, am I correct? If this is the case would it even be worth the investment to spend so much money?
At a second look, you get the hour of the same brightness of the normal bulb, but with the KL4 LED you then get an additional couple of hours of what they call "useable light"... I have no idea how bright this useable light is though. So you *do* get more burn time, but not at the same brightness level.. it gets dimmer as the batteries wear out.
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Old 01-01-2006, 03:25 PM   #13
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If you're in the military or law enforcement there is a SureFire discount when you order direct.

Also CR123 batteries should cost $0.80-1.00/each. Don't buy them at Rite-Aid, Walmart, Target as they charge you $3.00-4.50/each.

The KL4 is more of a flood beam. After the 1 hr of regulated full intensity light, there is a an extra 1.5 hrs of low light.

The incandescent has more throw. After the 1.25 hr of unregulated light, it'll just die instantly. One click it could be working, next click it could be dead. A quirk that you just learn to deal with. Change batteries before it dies or carry extra batteries.

My E2e-HA (60 lumens) out throws the U2 (led) which at its max setting is 80 lumens.
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Old 01-01-2006, 03:59 PM   #14
Ozzman
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I just picked up an E2L with the KL1 head and I find it quite useable. The KL1 head has great throw with little sidespill, also as a small quirk the hotspot on the KL1 is squareish in shape. The KL4 will have more side spill with less throw
If you want a brighter LED light with rechargeable batteries get an Inova T4. It is advertised as 100 lumens but probably closer to 65-80, it has great throw with moderate sidespill and a perfectly round hotspot and runs for 2.5 hours per a charge. It aslo uses lithium rechargeable battery so you don't have to worry bout memory at all and is the same price as the KL4 head. Although the light is about 2 inches longer and 1/4 inch wider. Also the T4 is a very beefy light with replaceable lens.

You may also want to check
http://www.flashlightreviews.com
http://www.candlepowerforums.com
for more information

Last edited by Ozzman; 01-01-2006 at 04:06 PM.
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