Review: KD C8 CREE XML T6 1000 Lumen 5-Mode LED Flashlight (1*18650) SKU: S009844

well kd did send me a replacment driver it got here yesterday, but im not going to bother replaing it to much effort and ive already spent to much time on it, ive given the 1.5 amp kd c8 to my old man to use at work, so he does not wreck the jetbeam bc40 i gave him.

i just brought this to replace the kd c8 i think it will be a bit nicer and should draw atlest 2 amp + and its $1.31 usd cheaper.

Trustfire C8 Stainless Steel Head XM-L T6 900-Lumen 5-Mode LED Flashlight (1*18650)

just to make sure, today i received the KD C8 and i was wondering if the brass pill is the positive side. All the lights i own have the negative side at the coil so... but it's not displayed anywhere on my KD C8. Just want to play it safe :)

I also took it apart to clean it but the lens got out and now i was wondering wether i should put the rubber green ring in first or after the lens itself... should have kept my hands off but ... :)

The pill side is positive (for the battery), but the pill itself isn't (it's connected to the tail when on).

so i should insert the battery with the negative side towards the LED?

you know about lens/rubber ring order?

TYvm!

+ towards the led

wow that is very dangerous because the niamh I'm used to, have the - side of the battery always towards the coil :). You know if i should insert the rubber ring first or the lens? I wanted to clean the lens but it came out and now i can't remember the order :s

+ is the spring on the back of the led - is the torch body it,s self.

same as my one AA battery light and C cell light but globes dont realy matter.

rubber ring goes inside the bezel then the glass then screw's it onto the torch head

Ty! Benckie, yours was a faulty one right? Let's hope mine works fine, as i have no tools/experience to measure or repair it :).

No, no. The - side is the tailcap coil. What I said is that while the spring/contact on the back side of the driver on the end the light comes out of is + (for the battery), the pill itself (which doesn't touch the battery) is -.

It's lasers w/ lithiums which are often reversed from the way it goes on flashlights.

So to be sure (as i'm getting confused by all these terms): if i insert the battery: which side of the battery should i still be able to see + or -? Sorry for this newbie question, just don't want to waste my first serious light :d (as i understand it now the flat - side of the battery should still be visible after putting it in, and the + side of the battery is directed towards the LED/reflector). Appreciate your patience :), gonna mark it with a pen so i'll never have to doubt again!

Yes, you should see the big flat end coming out the tail.

All this makes me wonder.....is the flashlight protected from damage if the battery is accidentally inserted the wrong way?

Depends on the driver. With simple drivers, no, so it may well dump max current through the circuit (w/ no light coming out the front). This happened to me once, and the weak link was the spring in the reverse clicky. The spring metal got "frozen/deformed" in the depressed position, probably from the heat of the current. I managed to temp fix it by stretching the spring out again, but the clicky feel is kinda crappy now.

Is there any rule about where the positive or negative side is in a flashlight that uses li-ion batteries?

Like i said all the NIamh flashlights i owned so far have the - side (of the battery) where the spring is situated. Don't know if it's really the case with all of them but at least with the ones i own. It made sense to me as a flat - surface connects with a spring and the topped + side connects to a flatter surface.

All of them are like + end inside like nimh lights. Most of them also have a spring at the + end, so that flat top cells (which is what most 18650 come in from name brands, since they're used in power packs) can be used.

no problem, just incase you dont know the bezel is the most front part of the torch the part before the glass that un screws if that makes sense.

now put in a charged battery and have fun

batteries are charging, for 4,5 hours right now but my trustfire tr003p4 doesn't yet indicate that the xtar 2600's are fully charged yet. So i suppose they were really empty when i got them yesterday :). Real exciting and new to me!

the better the battery the longer it takes

it took me more than 5hrs to charge 2*ncr18650

They are now in for 7 hours, still not fully charged :o