This brings me back to my question that so far no one has tried to answer.
If a led is driven at 2.5 amps , what is the wattage?
Everyone makes it sound like it does not matter if the voltage is 3 volts or 500 volts as long as its 2.5 amps.
What is the standard?
I have a flashlight. It draws 1.3 amps with 2 18650 cells. The same flashlight draws 2.6 amps with 1 18650 cell.
What I've been trying to say is that tail cap amperage means nothing without a voltage reference.
When ol Joe says " My flashlight draws 1.7 amps" is that on a 1.2 volt cell or a 12 volt battery?
The difference is 2.04 watts VS 20.4 watts.
some things are voltage run and some things are current run..
i have a torch that with a 1.2v supply is hell of a bright, if i put the other advised 3.6v in its place its a dweeby hand light, but for 10 hours instead of the 20 minutes with the 1.2v battery..
so i was asuming the higher volts made it draw less amperage to keep the watts the same to avoid over heating.(up the volts the amps have to reduce to keep the same answer in the equasion..change the amps the volts have to match to get the same wattage).
with a few LED's i've played with they all basically throw the extra voltage over the bulb (as in pos and neg from the meter before and after the bulb), so if is a 3.2v diode, and i put 8 volt into the curcuit about 5 appears over the diode, put 12v in and about 8 apears over the diode.. mess with the amps and it goes brighter or dimmer or blows up with too much.(get the unatural relasionship right they dont seem to blow).
with proper bulbs they seemed voltage dependent, hense the up the volts and hold the amps exsperiment. with these narmaly if the volts go up the amps goes up as they should do but they pop really quick after a very bright short life.
the volt and resistance seems feezable above ty..and its definatly the amps that burns stuff lol. 64000 voltes jumping in a spark.. doesnt blow the wire or the rod tip, well not notisabley, but theres singulat millamps flowing there, up to thousands and theres a burn effect more noticablly.(hold the amps and the volts can go way up high before the inevatable, up the amps and it'll burn..)
more info to confuse issues, the other krypton i blew in the past with overvolting, the switch on of was the kiss of death, if i left them on they lasted longer, that and they threw the extra voltage over the bulb. (not consumed 17 out of 24).
i'm assuming the two curcuit boards and bulb along with the battery impedence or miss match in impedences is the culpret, does that make sense?
edit in..some bulbs have a little curcuit of some sort, so theres an unknown variable there posabley...