TrustFire X9 - Thoughts and beamshots

Did the brightness seem like it was 2.6A when you were getting low readings? I ask , because i get 1.6A with my HF DMM and the output is not very bright . I don't want to buy an expensive DMM and have high readings and the output not show it.

I work in the Oil Fields over Oil Wells.

The meter I have is made by Simpson and is used every day. I costs about $500.

Anyone in the oil fields will recognise the name

http://www.slb.com/

And yet....I worry about tail cap readings

@gen1.3 My x9 is very bright and has been since I got it. There is no doubt that it is driven at 2.6. That’s why I decided to get a new DMM. I knew it was reading low. Still read low until I got good leads.

Ian, I have tried 2 CR123a's with no problems. It puts out about 40K lux compared to 36K with an 18650.

It is noticeably brighter when shining on far away objects. The longest I've had it on at one time is 30 sec. Ive already gone thru a pair of cells and I'm on my 2nd set.

Make sure you check the current first to see if your X9 can handle it.

What DMM and leads do you have?

I use the equus 3320 multimeter. It is talked about in the Harbor Freight DMM thread. Bought it at walmart. The leads that came with it were very thin, got low readings. I put a set of leads from an OLD harbor freight DMM on it and now the tailcap readings seem to be right on. The Harbor Freight leads are pretty thick, I don’t think the newer ones are as nice.

Thanks, I'll try mine once I got new CR123 batteries.

Also, could you explain how to check the current in the X9? sorry for the newb question, I just really don't know. thanks

Ian, I think you already know how to check your Amp draw. I believe you have readings on your X9 and Ke5, no?

Anyway, neg probe on neg end of battery and pos probe on the bare threads.

My meter seems not to work properly and relied just on post made here and what my eyes perceive in terms of brightness, also compared the X9 amp draw with my 2.5a ultrafire driver and thats how I came up with my numbers. Will have to buy first a better Multi meter.

Is there a way to know if the driver could handle 2xCR123 without testing with batteries?

What's wrong with it? Pm me if you wish.

That's strange since mine gives the exact opposite. HF leads give me low reading (under 1.0A) and Equus reads ~1.8A like many have stated. The HF leads also read ~1.3A from my Manafont UF XM-L drop-in while the Equus reads the upper 2 amp range like it should. However, the gauge looks to be the same.

You guys should measure , not figure out current draws.

Here's the results of my multi meter.

Xtar 18700 2600mah @4.11v

KE5 - 1.44

RQ w/ xml and Ultrafire driver rated at 2.5 A - 1.85

X9 stock - 1.13

Solarforce L2 w/ 0.8-4.2v dropin modded with XML - 1.7

AW 14500 @4.11v

L2m w/ 0.8-4.2v dropin modded with XML -1.60

Xeno E03 - 1.4

In the process of doing this I dropped my fav light (Tank007 506 Steel modded with R5) 5feet to the floor, luckily it survived damaging only the wooden floor. lol

I thought I forgot to buy something earlier today when I went to the mall, realize its the multi meter and soldering iron.

Any thoughts on the results of my test?

Your reading from the UF dropin should be higher than the higher 2A range. The equus leads are just too thin to measure the current properly. The HF leads I use are very thick. They are from an old meter. New HF leads are not the same. You need to find or make some better leads.

Well, I'm aware I could be getting more from the UF drop-in, but it seems many others here are drawing in the upper 2A range as well. What if not all of those drop-ins are equal? Drawing around 2.8A would seem normal then. What do you define as "new" for the HF leads? One set I used are several years old and the other maybe as old as two years. However, I do plan on eventually making new leads. It just hasn't been a high priority for now.

Well, I should be getting my Keygos pretty soon and I'll see what I get. But you're right, those numbers do look low. I hope my Keygos is at 2.5A or Ima be pissed.

just posted a vid of my 980l vs the x9..enjoy

http://www.youtube.com/watch?v=y2-8ro5c-Sg

I cut the end of my old leads and soldered on some thicker wire. Getting 2.2 a now.

Ian, try the same readings again but this time use paper clips as your leads. Just insert a squished "J" end (after you unfold a clip once).

While waiting for my KD driver, I removed the X9 stock driver and transferred it to my RQ with XML, man the output is pretty weak, it just pulls 1.1A from my my multimeter, but my meter reads low so I guess it pulls somewhere near 1.4A. Still way low than expected, cant wait for the new driver. Hopefully it arrives tomorrow.

fishmaniac, Could you explain further how to use paperclips? I also doesn't have any paperclips around. hehe