If that were the case, the IMR's I'm using would be getting toasty.
It's possible the lower the internal resistance of the cell (IMR is much lower than LiCo) the lower the temp of the cell when under load.
The 2600 would have a higher IR than the 3100, therefore run hotter under high load.
anyone running the new panasonic 3400mahs? just wondering how much more runtime you are getting and how the cells run?
Im running sanyo 2600s now, they seem to fit better in the battery case... i tried aw3100s, they were a tight fit... i noticed running the sanyos, the light seems to get a little hotter faster... its the same thing when i run a single sanyo 2600 in a different light as well... maybe the discharge current is slightly higher from these cells?
There now appears to be a 85W 4300k bulb as well
"Maybe we can talk Colonel Sanders into doing some testing!"
That wouldn't be hard to do! :thumbsup: That is, of course, if the slow boat from China ever arrives. I'm still running on 18350s.
These cells should provide the FFIII better than 1 hr runtime even if the hot temp kickdown is prevented.
Ok, my first test is done on a new bare Panasonic 3400. At a 4a load it holds voltage like an IMR cell. Starting voltage was 4.22v and I ended at 2.75v....how about 3305mah?!? Again, that's at a 4a load on a brand new cell with no cycles. If it's like most cells I've tested, it should pick up a little more with several more cycles.
Most impressive was it's ability to maintain voltage. :bow: Think of it as a hybrid IMR cell with 3400+ capacity.
I am extremely pleased with this initial testing to say the least.
These cells should provide the FFIII better than 1 hr runtime even if the hot temp kickdown is prevented.
Hi there Colonel
When you mention the above I was just wondering if you had something particular in mind when it comes to preventing the thermal protection kickdown from activating, as I would be extremely interested in finding out just exactly how this may be implemented!
Check out post #5 is the following thread... http://www.candlepowerforums.com/vb...he-woods-II-SR51-vs-Firefox-I-vs-Fire-Fox-III
I'm thinking about a modified version of this. By modified I mean I think I can find a better insulator. I wonder how hot it gets between the reflector and board? I can do some testing and if it's not too tremendously hot I would like to use a piece of spray foam insulastion (the stuff in my walls and in my attic.) Closed cell spray foam has an R-value of 6.6/in. I haven't tested yet but I'd venture to say that it can take heat up at least over 300 degrees though I'm just guessing at this point.