new LED light CMG O4

well, the text says 'permanent on lever switch' --
hopefully, one can change the batteries...then it would be
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we received our sample thr other day of this new model.

well made, bigger than the photon II (our standard from which we judge all mini LEDs), waterproof to 10', convenient swtiches.

our first impressions:

-rubber "armor" on back 1/2 works well for teeth grip when both hands are needed.

-lever switch works very well if not a bit on the overkill side(seems like a simpler solution could have been thought of?). the momentary switch seemed a bit too sensitive to the touch and i wondered about it staying on in the pocket.

-batteries were easy to remove/replace.

-took the light underwater in a sink and seems to work fine at that level at any rate. great for scuba at 6".
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i will not get a chance to test at max depth until my next canyoneering trip in the spring.

-arguably cool styling ( i like it) and nice case colors.

-better pricing than the photon II's.

-bright white light is as bright as the photon II's with perhaps a more foucsed beam from our sample.


overall this new mini task light "O4" gets the thumbs up and is now my current companion to my pocket knife.
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<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Prometheus:
O4_Images.jpg


we received our sample thr other day of this new model.
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I also received a sample of the O4 the other day. Initial findings: The lever for constant-on DOES NOT WORK whatsoever. I even tried removing & replacing the batteries, and adjusting the LED lead to make the push switch more sensitive.
The metal lever is composed of a hardened steel compound, and it was not possible to bend it without access to my tools. So I'll try this later when I dig out some more.

(WARNING! This *will* void your warranty if you try this yourself!)

The light itself is extremely bright, and has a distinct blue tint to it, characteristic of newer Nichia white LEDs under severe overload conditions.
However, since most LED flashlights intentionally overdrive, this was to be expected and is considered fairly normal. Just don't expect 11.8 years continuous burn time out of the lamp, because ya ain't gonna get it.
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The lamp itself appears to be a Nichia NSPW500BS of very recent manufacture and of the brighest bin sort offered.

Other than the problem with the lever in my sample, the light seens to be put together well. The halves press-fit together very snugly (a screwdriver is needed to pry the halves apart once the primary screw is removed) and the single screw goes into a metal fitting to help reduce the chance of the threads becoming stripped.
Once the light is open, changing the batteries is similar in process to the Photon-1 with the push-only switch. No itty bitty plastic thing to lose here.

If you drop the screw, press-fit the light together and use it to FIND the screw. It will (or should) stay together fine until you install the screw.

I haven't had a chance to do much with this or my new Streamlight Batonlite or my two new Bison incandescent/xenon flashlights yet, but I may have more time by the end of this weekend, when I expect most or all of my $&#*&@^$%!~ cleanup to be finished.

http://ledmuseum.home.att.net
 
The batteries are readily available. Walmart sells them for about $2 each. You may even find them for less.
 
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by KenB:
The batteries are readily available. Walmart sells them for about $2 each. You may even find them for less.<HR></BLOCKQUOTE>

Catalogue outfits like All-Electronics and Hosfelt sometimes have sales on these. I've seen prices ranging from $0.75 to $1.25 apiece, which is pretty darn tootin good.
Both of these stores also have web sites - http://www.allelectronics.com and http://www.hosfelt.com

http://ledmuseum.home.att.net
 
well, I got my CMG04, yup you can change the batteries, but it ain't easy. I found using any driver but a 0 Philips stripped the (very tight from factory!)) screw head..The instructions say to remove the batteries without removing the LED - ha! - has anyone achieved this feat? I can see why though, the LED lead is bent into service as part of the switch, similar to Photon - a mistake, I think - if you bend the specially formed leads, you get switch problems, as Telephony mentioned..I had the same prob. till I bent them back the way they wanted to be..so I think the design prize would still go to the Emissive Energy microlite (even though it's probably not waterproof as the 04) because of the EE's easier to open case, positive permanent on function (stick it in it's own clip) and the switch, which uses a seperate piece of metal to complete the circuit, instead of finger pressure bending an LED lead against the battery, and...the LED doesn't want to jump out when you change the batteries..
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