Any issues running a KL4 on a 1x123 body?
- Thread starter Rverdi
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Rich, type "TW4" in the google searchbox up top. It's too short for the forum search engine.
How well your KL4 does will depend on the forward voltage of the LED itself.
I had one of the original TW4s that were hand-picked for low Vf, and my friend who posts here as "Robocop" has been using it for the last few years on a single cell body. It runs in regulation on a single R123, but it is not guaranteed that they all will.
edit: the TW stands for Tactical Warehouse. Dan@TW sold the combo of E1e body/KL4 together several years ago.
How well your KL4 does will depend on the forward voltage of the LED itself.
I had one of the original TW4s that were hand-picked for low Vf, and my friend who posts here as "Robocop" has been using it for the last few years on a single cell body. It runs in regulation on a single R123, but it is not guaranteed that they all will.
edit: the TW stands for Tactical Warehouse. Dan@TW sold the combo of E1e body/KL4 together several years ago.
Output will be reduced with a primary, but runtime longer than a R123. Maybe an hour of diminishing brightness(?). It should still be very usable in low light. It'll only take you a minute to swap heads and see if it's suitable for your personal use.
btw, I didn't complete my thoughts before. I think they may all run in regulation with a R123, but the runtime will vary with Vf(some people got less than 20 min. while I think I got about 30).
I put that KL4 on a E2e body, and used it with a protected 17670 Li-ion most of the time that I had it.
btw, I didn't complete my thoughts before. I think they may all run in regulation with a R123, but the runtime will vary with Vf(some people got less than 20 min. while I think I got about 30).
I put that KL4 on a E2e body, and used it with a protected 17670 Li-ion most of the time that I had it.
Beamhead
Flashlight Enthusiast
Just do it, if you are lucky it will run for hours on a primary, if not it should flicker within minutes. I had to buy 6 KL4 heads before finding 2 that were true TW4 primary cell running gems.
Illum
Flashaholic
poor beam...and no wonder hes poor...6 KL4s, holy moly:candle:
I'm glad I hit the first time around
I'm glad I hit the first time around
Outdoors Fanatic
Flashlight Enthusiast
No issues at all.
Bullzeyebill
Flashaholic
powernoodle
Flashlight Enthusiast
To impress the chicks, consider also feeding it with a CR2 battery.
Illum
Flashaholic
thats not a vital gear body is it?
I want one but i have no idea what to search for
Too bad AW's RCR2 cells are out of stock or i might consider something of that sort as running Primaries might be a bit...expensive
I want one but i have no idea what to search for
Too bad AW's RCR2 cells are out of stock or i might consider something of that sort as running Primaries might be a bit...expensive
powernoodle
Flashlight Enthusiast
If you're talking to me , thats an Aleph CR2 body.
, thats an Aleph CR2 body.
thats not a vital gear body is it?
I want one but i have no idea what to search for
Too bad AW's RCR2 cells are out of stock or i might consider something of that sort as running Primaries might be a bit...expensive
It's an Aleph CR2 body - Sandwich Shoppe has them.
Illum
Flashaholic
fair price, I have them bookmarked. I'll get them when AW's cells are back
I EDC'd a TW4 for a while. I used a VG1 which I believe is the shortest body/tailcap out there. I ran mine on a primary or 3.7V RCR. The only issue I had is that with less mass in the body, the KL4 became hotter faster. It was a good hand warmer in the winter...
