well done!
My Armytek Viking 2.5 has constant brightness for the run time. There are many others. Before FL-1 nonsense.
Thing about constant brightness , usually means sudden darkness.
Yep, my Polysteel 600 is the worst example I own of extreme down-regulating:
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Don't have that many Maglites, but that's a pretty close observation on one I do have (ML50LX);
yes, and no, Full stabilization does not work on all battery types, neither does STEP mode
http://www.candlepowerforums.com/vb/showthread.php?366051
“FULL regulation is as you’d expect – perfectly flat regulation for as long as the battery can handle it, then an immediate drop to off (although in this case to an ultra-low output state, rather than off)”
“Current stabilization types are entirely changeable through the user menu: full stabilization (FULL), simple semi-stabilization (SEMI), stepped stabilization (STEP)”
It is always a good idea to check Runtime Charts, monitor Battery voltage, and have a spare battery.
Your getting closer to the Truth.
Full stabilization works for all battery types on the Viking Pro 2.5
Every step down on primary cells after the 1st step down is just a bonus.
All except the orange line:-)
Everything after the 1st step down, is a bonus.
The orange line is showing FULL Stabilization on primary cells for about 33 minutes. Then it is tailing off the remaining power from the cells. There is no need to protect primary cells. Every step give you little more light. I like it better then sudden darkness or a moonlight.
looks stepped to me
except the orange line
I think you’re right. It’s still quite a bit of energy left in the cells after regulation cuts out, but I like that it does that. I have an Armytek light, and I find the “extreme regulation” a bit annoying: it goes from full output to the lowest firefly mode, all of a sudden. I much prefer some step-downs in between, like that orange line is giving.
Is it full regulation on those primary cells? Well, yes, you get it for a half-hour. The cells must not be able to deliver the power necessary after that, which is fine. IMO, that’s still full regulation, since the light is doing the best it can with the power the cells can provide.
LOL, Why you only quote part of what I type? It has been explained to you.
You said this in post 8
“all flashlights drop from maximum very quickly, within seconds. That is even true for the D4.”
You have been given examples proving your statement is FALSE.
You quote my statement “The thing about constant brightness, usually means sudden darkness.”
Usually. Look it up.
I won’t even try to explain what is happening on the STEP regulation. Hint. It Works.
Thank you.
On unprotected 1865o I can restart the light for a few more minutes run. Or go to a lower level for longer. Last night went from 100% till shut down, then restarted it at 25% and got another 20ish minutes.
thank you, yes, I was mistaken, some lights, on some batteries, run in Full Flat Regulation for the entire stated runtime.
I dont consider the Orange line to be running in Full Regulation for the whole stated runtime, it clearly has steps.
If someone likes steps, thats great, they simply are not the same as full regulation for the entire runtime.
anyway, I do think runtime graphs provide all the needed info. As a separate issue, I agree it sucks to be left suddenly in the dark, without a spare battery.
Im glad that when your light leaves you in the dark, it will still turn back on in a lower mode. Armytek Pro sound like excellent lights. Especially the feature that let you choose between Full or Step mode regulation. Most lights dont offer that feature, nor do they offer Full regulation for the entire stated runtime.
Many people are surprised to learn that the Ansi spec is to 10% of initial runtime. A runtime chart dispels any confusion.
Jon, Thank you.
I agree 100% that run time charts are the way to go. Before the ANSI standards things were really crazy. I have seen light manufactures give max lumens and then longest run time on lowest level. Really misleading.
Some of the early Li-ion lights did a good job of holding brightness until protection tripped. Then there was no light. lol
Some cells would reset on there own, some needed to be put on a charger.
As far as the Orange line that steps, if I told you that the STATED run time on primary cells was 30ish munutes, ah, never mind. I think you get what I am saying anyway.
I do like Selfbuilt’s charts because he figured to 50% output.
What is everyone’s take on PID lights?