Review: Crelant 7G5 from intl-outdoor [pics heavy, outdoor beamshots updated!]

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coolperl
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Thanks for posting the results. I'm a bit surprised by the same ceiling bounce result with T40CS, beeing driven harder, 7G5 should score more. Can you make current draw measurements at tailcap?

I'm impressed by the glass transmittance test. It seems to be UCL Smile

2100
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With Sanyo 2600 cells, it is 1.66A for Crelant 7G5 and 1.40A for Sunwayman T40CS.

The crelant's driver and emitter portion gets hot pretty fast.

BTW, this light can do candle mode!

And my Solarforce Masterpiece Pro-1 scores 600 lux with 2 freshly charged 18350 IMRs. So it is lower throwing and it looks to be so in my house.  However, aiming at longer range targets at 100m-400m, the Solarforce is brighter than the STL-V6.   I guess it's a matter of focus.

coolperl
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2100 wrote:

With Sanyo 2600 cells, it is 1.66A for Crelant 7G5 and 1.40A for Sunwayman T40CS.

The crelant's driver and emitter portion gets hot pretty fast.

I noticed that too. I think copper MCPCB and good thermal compound would warm up this part even quicker. Lots of juice is beeing converted to heat.

2100 wrote:

BTW, this light can do candle mode!

Yes, it can. I knew about it since seeing the photos on shenzen-wholesale. This is exactly the same desing as Catapult.

2100 wrote:

And my Solarforce Masterpiece Pro-1 scores 600 lux with 2 freshly charged 18350 IMRs. So it is lower throwing and it looks to be so in my house.  However, aiming at longer range targets at 100m-400m, the Solarforce is brighter than the STL-V6.   I guess it's a matter of focus.

I think it's more a matter of measurements accuracy and mathematic assumptions. When taking measurements at some distance and calculating it back to 1m values, you're making an assumption that at "zero" distance (lets say the opening of reflector), the beam is focused to a mathematical point. This assumption leads to getting certain angle of beam. In reality, at "zero" distance, the beam is not focused to a point - it has already a width of reflector opening, so real angle of the beam is smaller (by a small margin, but still). You make calculations using this "wider angle" approach, which leads you to lower values than in real life. Increasing the measurements distance, decreases the error factor, because of mathematical distance to real distance ratio is closing to ~1. That's why, increasing the measurements distance, increases also the results. This is most important, when measuring throwers, where the beam angles are very small. An assumption that beam angle apex is on the reflector opening, creates an error factor. In reality, this apex, is behind the flashlight. So the farther away from flashlight you make your measurements, the lower is the error factor and more accurate and real-life result you'll get :).

The "results increse" issue niggled me lately, so I started to think about it from physics/mathematics point of view ...and these are my conclusions.

Of course, there are also other factors, that could mess with results. Like beam convergence for example ...but the conclusion is, the larger measurements distance you choose, the closer to real-life results you'll get. Smile

2100
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I am looking at both the Solarforce MPP-1 now as well as the Crelant 7G5 at very far objects.  Both look really close in intensity.

Not feeling like it to do beamshots though...maybe next time.

 

Though the design is really minimal and nothing "attractive", the matt surface of the HA is quite nice. It's something different from the Fenix/Sunwayman type.  It looks serious.... minimally serious NO-NONSENSE.  Don't mess with me type.  Not attention calling.

 

 

2100
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Actually it does output somewhat high figures initially during a ceiling bounce.  But it sags quite fast. That's why i put in the cooled-with-ice figures.  Quite a bit higher.

coolperl
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This car is so awesome... Surprised

 

As for brightness drop ...probably MCPCB is not the best. I broke the centering ring in my 7G5 and it seems this is the same MCPCB (and LED) as in Balder BD-4. Not the best in my opinion. I guess, a good LED from known source soldered on a pure copper MCPCB would behave much better. Nevertheless, even after brightness stabilization this thing throw farther than Cat V2 @ xm-l and T40CS.

Jinx
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Got my Crelant yesterday, looks good so far, can't wait to test it properly. Quick delivery from intl-outdoors too Smile

coolperl
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So.... this is second 7G5 outside Asia Smile

Please, share your impressions after you take it outdoor.

 

Zenbaas
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Jeansy wrote:

Got my Crelant yesterday, looks good so far, can't wait to test it properly. Quick delivery from intl-outdoors too Smile

 

Lucky bugger..! Big Smile I ordered around the same time as you but I know it will still be a while before I get mine!

phantom23
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I believe there are much more than two, just the second information here.

Zenbaas
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Zenbaas wrote:

Jeansy wrote:

Got my Crelant yesterday, looks good so far, can't wait to test it properly. Quick delivery from intl-outdoors too Smile

 

Lucky bugger..! Big Smile I ordered around the same time as you but I know it will still be a while before I get mine!

Still waiting..! Aaaaarrrrgh..! I want to play with the light-saber dammit...! Big Smile

bowhunter
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could someone measure the id at the lens end and the depth of the reflector in the 7g5 for me please?

how is the emmitter/pill fastened in the body?

Thanks

Hikelite
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bowhunter wrote:

could someone measure the id at the lens end and the depth of the reflector in the 7g5 for me please?

how is the emmitter/pill fastened in the body?

Thanks

From the first page:

 

 

bowhunter
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SORRY - i meant how is it fastened inside the body, screwed in,pressed in etc.

in other words, how would you remove the emmitter/driver.

coolperl
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To remove the emitter, you have to remove white plastic cover shown on the photo. Unfortunatelly it's destructable operation, because it easily breaks (mine broke). To remove the circuit, you have to unsolder the LED, and through the holes, punch it out. It's press fitted in some brass pill, so there's little chance, you can remove it from battery tube side.

The reflector dimensions are in the product desctription. From what I remember it's 58Wx55D.

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Could anybody compare the Crelant 7G5 to the Olight SR51?

I mean for outdoor beamshots and throw, obviously the form factor is completely different, LOL!

I have the SR51 (love it) and wonder if the 7G5 would throw better, and how much better. 

zwr555
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Hey guys, my Crelant 7G5 finally arrived (20 days from order). Made a quick video of it:

http://www.youtube.com/watch?v=QssKoNbAhYo

Hikelite
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zwr555 wrote:

Hey guys, my Crelant 7G5 finally arrived (20 days from order). Made a quick video of it:

http://www.youtube.com/watch?v=QssKoNbAhYo

Nice video, however you are lucky this flashlight had reverse polarity protection, otherwsie you could have burn the driver and you would have come to the forum saying that you have received a bad Crelant.

 

The output will be just a bit higher on 3 CR123A and 4 CR123a it will go up to 910 lumens. Instead of 860lumens with 2 rechargeable Li-ions.

2100
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I tried 3 x 18350s (the bestinone IMRs), never measured the additional output compared to 2 x 18650 though.

Zenbaas
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Also received mine today Finally. Really impressed with the build quality of the light. Hotspot is small and tight. The UI isn't all that bad and actually allows for momentary on and it seems to remember the last mode used. Overall I'm very impressed. This is also my first flashlight with this form factor, and I must say that I really like it Smile

bowhunter
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If anyones crelant 7g5 packs it in I will buy it to mod.

Please PM me with info.

thanks

zwr555
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Any thoughts about 2:10 - 2:18 of the video? Any other Crelant 7G5 owner noticed this?

coolperl
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Nice video ! Thanks Smile

I haven't unscrewed the lens yet. I don't like to do it with any flashlight, because there's high risk of dust coming underneath the lens, which is very hard to remove. Better keep the reflector/glass assembly closed and sealed as much as possible. As for the glass debris ...are you sure it's glass? Did you inspect the glass edge carefully? If there are indeed some chips, it means that the glass has a little to big diameter. In this case just clean the glass (don't touch the reflector!) screw everything tight and leave it as it is.

Zenbass, congrats ! You got it quick ...nowhere near those 70 days Smile The hotspot size is almost identical to Capatult's and I think it's the smallest hotspot among all XM-L lights. Despite that, it's still quite useful. Especially on larger distances, which this flashlight is made for.

Zenbaas
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coolperl wrote:

Nice video ! Thanks Smile

I haven't unscrewed the lens yet. I don't like to do it with any flashlight, because there's high risk of dust coming underneath the lens, which is very hard to remove. Better keep the reflector/glass assembly closed and sealed as much as possible. As for the glass debris ...are you sure it's glass? Did you inspect the glass edge carefully? If there are indeed some chips, it means that the glass has a little to big diameter. In this case just clean the glass (don't touch the reflector!) screw everything tight and leave it as it is.

Zenbass, congrats ! You got it quick ...nowhere near those 70 days Smile The hotspot size is almost identical to Capatult's and I think it's the smallest hotspot among all XM-L lights. Despite that, it's still quite useful. Especially on larger distances, which this flashlight is made for.

Hey I'm not complaining. It throws like a champ. Tried it out the other night but I have to be careful (live in a block of flats) because the neigbours wonder what the hell is going on when I start shining it around. I lit up a construction site across the street and a few buildings quite far away like it was nothing. The hotspot might be small up close but it becomes very useful over large distances. I am thoroughly satisfied with the light. Between my Fenix TK45, ZL SC600W, ZL H600 and now the 7G5 I feel pretty well covered for all eventualities Big Smile (my wife keeps on asking what Armageddon I'm preparing for as I also have quite a few knives :D)

zwr555
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coolperl wrote:

screw everything tight and leave it as it is.

Thats what I did Smile Now wondering what batteries should I use for max output / cheapest price? Not going to use an extension tube, since it doesn't add extra output, just runtime (correct me if I'm wrong). So no 18650 batteries. Currently using 3x cr123a unchargeable energizers, but thats too expensive option I guess. Thinking about AW protected R123's for $6 each or much cheaper rechargeable Ultrafires from ebay for ~$1.20 each. Any recommendations?

coolperl
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If you don't want to use an extension tube, go for 2x AW18500. This is best config when it comes to runtime. As 2100 stated, extra voltage doesn't give you extra power, so 2xLi-Ion cells are way to go. Additional plus is that AW cells are very good quality and they're aging very slow. If money is a real issue, go for 2x18500 IMR (from bestinone.net if I recall correctly), but you have to be careful about discharge state, because they're unprotected and 7G5 doesn't have over-discharge protection. Personally, I'd go for 2x AW18500 (protected). You'll have a nice and reliable pair of batteries that will last long (in terms of runtime and cell aging).

Stay away from from cheap Ultrafires. Even if they power up the flashlight, they won't do it for long time. The capacity is symbolic and their aging is horrendous.

2100
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Yeah...7G5 does not have low-voltage cutoff.  It can pump the light at near full output till each cell hits about 2 volts for the IMRs before you'd even notice the drop visually.  I have done these IMRs till about 1.7 volts unloaded so that is very low, both for this light as well as Trustfire 3*T6.  If you recharge immediately, i don't think there is much degradation.  If you leave it for a few weeks in this state, then good luck.  Big Smile

For 2 cell lights (higher voltage), it takes quite a bit of discharge before you can register an output drop.

Skalaberg
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I got the 7G5 for christmas. I must say its a great light.. Perfect for walking my dog in the woods at night. I use it with 2x panasonic 18650's and I have noticed that after about 1.5 hours on high mode the light switches off and then comes on in low mode. I just checked the voltage on the batteries tonight as it did this and they were at around 3.2V each. Does this mean the torch does have a voltage cutoff?

how2
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Skalaberg wrote:

I got the 7G5 for christmas. I must say its a great light.. Perfect for walking my dog in the woods at night. I use it with 2x panasonic 18650's and I have noticed that after about 1.5 hours on high mode the light switches off and then comes on in low mode. I just checked the voltage on the batteries tonight as it did this and they were at around 3.2V each. Does this mean the torch does have a voltage cutoff?

Seems like it, on the specs it does say High for 90mins. Try it again see if it lasts for 90min and does it switch to low mode. Then measure the voltage. That's if your batteries are not protected.

Skalaberg
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Batteries are protected cells.. i'll wait for the next 1.5ish hours and see if it's consistent.

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