Sgt. LED
Flashaholic
More people need M30's!
So versatile.
So versatile.
Bill,
what are the capacity of eneloops ? Is the regulation good with them......or when it drops off is it really noticeable?
I initialy used el cheapos, but they turned out to be quite good batteries:shrug:
Unfortunately i dont have a lightmeter......so i basically pointed the host with m30 at a wall about 3meters away.......I used a second flashlight that has similar output to the M30 on Alks and checked intermittently by comparing them on the wall.........the M30 stayed just a bit brighter the whole time until it had a drastic drop in regulation..............though i guess i should do the test again to make sure.
I am currently using some panasonic evolta which seem quite good, will have to do a runtime test on those.
I wonder how well Energizer L91's would go for runtime....I would test em out but not av
ailable where I live. they are supposed to have quite a high safe current draw.
I think I will have to buy some eneloops.
I would love to find a 3P aswell.......or any decent 1 cell P60 host....
anyone know af any?
I would love to find a 3P aswell.......or any decent 1 cell P60 host....
anyone know af any?
BOO...BOO on you!!! :nana:
Very nice find!:wave: Now go ask Gene for a M30!
Mayo
Who was it on here that was cutting and rethreading 6P tubes a while back...... I can't remember. Now come to think of it there are several CPF'ers that can cut and thread Al tubes!
So why not make a few 3P's?
Thanks for clearing up the resistance issue Bill.
I recently received an M30. Excellent device.
I am running it in a Surefire 6P with a 1 cell extender.
I am using 2 AA alkalines as my first test batteries.
I have no fancy equipment to measure outputs etc.
I used 2 AA batteries that come from a 4 cell pack that cost $1. El cheapo and crappo.
Using these cells, the M30 matched my Wolfeyes HO 170 lumen rated CREE lamp(2 x AW 17500's).
I noticed no drop in output for 1 hour and 5 mins, At which the lamp did not shut down, but continued to give useable light......I discontinued my highly scientific tests at the 1 hour 30mins mark.........As after the first drop in output that I noticed, well this is when I will be normally changing to fresh cells. Good to know it wont die on me flat out though.
During the whole test the light only got warm......never was it uncomfortable to touch or hold onto.
I'm Impressed....I'm getting a really bright light that runs for 1 hour or there abouts off 2 AA alkalines.
I tried an AW lithium-ion and it was very bright.
Thanks for clearing up the resistance issue Bill.
I recently received an M30. Excellent device.
I am running it in a Surefire 6P with a 1 cell extender.
I am using 2 AA alkalines as my first test batteries.
I have no fancy equipment to measure outputs etc.
I used 2 AA batteries that come from a 4 cell pack that cost $1. El cheapo and crappo.
Using these cells, the M30 matched my Wolfeyes HO 170 lumen rated CREE lamp(2 x AW 17500's).
.
I´ve read through this thread trying to find the difference between an M30 and an M60. So far what I got MAYBE is that one is regulated and the other is not ? Am I correct ?
Someone please post the differences.
Thanks Bill, I actually posted this same question in another thread and forgot to edit my post in this one. The answers were found in the product details at
www.malkoffdevices.com
The M30 as you say has a lower input voltage, so it is a no-no to run it on more than ONE LI-ION. Both are regulated but designed to run in different power sources (number and type of batteries), both have the same output.
(1) AW 1600 mah 17670 + SF C2 + M60 ran for 3 hours before I shut it off - it was very dim at that point. At the one hour mark I pulled the cell and measured the voltage - 3.78 volts. Roughly 1 hour of regulated output and 2 hours of declining output.
You must have used unprotected AW cells, because I use M60 with AW protected 2x18500 for the total capacity of 3,000 mAh and I get a solid 2:17 hours runtime, all regulated. Then it suddenly shuts off. If you get 1 hour regulated then that sounds about right, as 17670 has lesser capacity.
(1) AW 2200 mah 18650 + Leefbody + M60 ran for 3.5 hours before I shut it off (had to go to work) it was dim but not as dim as the 17670 test - probably would do 4 hours+. At the 1.5 hour mark I pulled the cell and measured the voltage - 3.83 volts. Over 1.5 hours of regulated output and 2 - 2.5 hours? of declining output.
See above. 1.5 hours of regulated output sounds about right, as I get just over 2 hours with 3,000 mAh in 2x18500 cells. The cell's protection circuit kicks in at, I think about 3.5V, or slightly less even.
One thing that is clear, Li-Ions are better than RCR123 cells with their dismal capacity and runtime.
I do wonder if I should get some unprotected cells due to their slow dimming feature instead of sudden cut off as with protected cells. Fully realizing that overdischarge is not good.
It should be noted that although not noticeable (to my eyes) the RCR123 setup produces more output as measured by my cheap styrofoam cooler lightbox: 3730 lux verses 3300 lux using the18650.
Interesting. No experience with RCR123 but M60 in Surefire 9P seemed brighter on 3x123 primaries vs. Li-Ion cells.
A couple more tests:
(2) AW 1500 mah 18500 + Leefbody + M60 ran for 2 hours and 27 minutes before shutting off. There was no noticeable drop in output during the run.
Do you mean TWO 18500 cells + M60? I wasn't sure Leef made a 1x18500 body C/C.
(2) AW 2200 mah 18650 + Leefbody + M60 ran for 3 hours and 14 minutes before shutting off. Again no noticeable drop in output during the run.
That sounds like the runtime I want. 2x18500 is OK but I bring at least 1 and maybe 2 sets of spares. Primaries of course are great backup spares, appear to run brighter and longer.
One interesting observation, as I already talked about, with short-burst, you seem to get lesser runtime than in one continious run. How much less, I cannot quantify. It does seem limited to Li-Ion cells. I could however be mistaken.
(1) AW 1600 mah 17670 + SF C2 + M60 ran for 3 hours before I shut it off - it was very dim at that point. At the one hour mark I pulled the cell and measured the voltage - 3.78 volts. Roughly 1 hour of regulated output and 2 hours of declining output.
You must have used unprotected AW cells, because I use M60 with AW protected 2x18500 for the total capacity of 3,000 mAh and I get a solid 2:17 hours runtime, all regulated. Then it suddenly shuts off. If you get 1 hour regulated then that sounds about right, as 17670 has lesser capacity.
2X18500's charged to 4.2 volts each will give you 8.4 volts with 1500mAh total capacity, or you could say 2X18500's at 1500mA's total capacity will give you 8.4 volts X 1500mA's = 12.60 watt/hrs, which is obviously more than one 18500 LiIon = 6.30 watt/hrs, and more than 2X CR123's = about 9.0 watt/hrs.
Bill