L2m for 1hr plus at 800+ lumens?

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PHeller
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L2m for 1hr plus at 800+ lumens?

I need a torch for my lid while riding mountain bike. I need it fast (less than a week ship-time) and it needs be at least 800 real lumens for an hour or more. 

I've seen lots about the L2m seen here http://www.lightmalls.com/solarforce-l2m-cree-xml-t6-1000-lumen-5-mode-led-flashlight-1-16340-black

Things I'm concerned about:

Heat - dont want it burning up, but it'll only be on while riding, and it'll be less than 60 degrees outside. 

Lumen - Needs to be over 600, but more is always better. 

Run-Time - hour or more reliably on a CR123A.

Beam-Pattern - Dependent on lumen output, but it can't be too spotty. A little bit of flood would be nice. 

 

I'm thinking of using this torch with a bar mounted XML-T6 http://www.dealextreme.com/p/t6-smooth-crown-waterproof-xml-t6-3-mode-1200-lumen-white-led-bike-light-with-battery-pack-set-82507 and http://www.ebay.co.uk/itm/Wide-Angle-Lens-4-MagicShine-Gemini-Lupine-Bike-Light-/280752532003?_trksid=p4340.m185&_trkparms=algo%3DDLSL%252BSIC.NPJS%26its%3DI%26itu%3DUCI%252BUA%26otn%3D10%26pmod%3D300545626206%252B300545626206%26po%3D%26ps%3D63%26clkid%3D3521234563196741287#ht_1963wt_1263

CheapThrills
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On some 3A current + XM-L combined with a good 18350 gives you just a bit over 20min on that L2m.

(I believe with CR123 you won´t even get the max power)

 

The DX option sure runs longer, unknown real lumens but I have tested those and would say they are as bright as P60 dropins and maybe better heatsinked.

Batteries are a wild card. They are not balance charged.

atbglenn
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I get about 25 minutes with a Solarforce XP-G R5 320 Lm on a 880ma 16340 cell. I haven't tested it with a CR123a cell yet. 

Boycott Nike

CheapThrills
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PHeller, forgot to say Welcome!

 

Just for reference, what light do you recently use?

Is that 800OTF lumens a strict requirement?

Hikelite
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You would get the best runtimes with a Pansonic NCR18650A, if you realy like 18650 batteries. Or any other battery that has the NCR18650A under the wrap.

PHeller
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the DX light I posted and its 18650 batteries having nothing to do with the SolarForce L2m. 

What I'm after is a CR126 powered light capable of 500 lumens on medium, and higher on max. 

 

 

Many folks on BikeRader, MTBR, and SingleTrackForums use 18650 batteries in 501 tubes. I personally think that's way too much light to mount on my helmet. 

The Exposure Diablo Mk5 is the size of Solarforce L2m and puts out 900 lumens for 60 minutes. 

Hikelite
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Interesting flashlight

http://www.exposurelights.com/product/000073/six-pack-mk.2/

1925 lumens, on 6* XP-G R5

3 Hours on Max.

15600 mAh Lithium Ion battery  -  Probably a 6 Cell pack.  It's needed in order to maintain the vf of the 6 XP-Gs ~ Around 20V

 

445 GBP or 700 USD

 

 

 

CheapThrills
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Cheap as soap.

PHeller
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I've got other LED torches and Mag 3D conversion. I've got plenty of light around the house.

 

I need cheap lights for riding MTB. 

watkins
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PHeller wrote:

I've got other LED torches and Mag 3D conversion. I've got plenty of light around the house.

 

I need cheap lights for riding MTB. 

 

But what you are asking for is impossible with current battery technology.

So you'll either be waiting for new battery technology, or new led technology

or the more common...change your requirements.

why on earth you need 800 lumens is beyond me.

is it the hour runtime you need, or output?

can you carry and swap out battery's?

do you want flood or throw from the light.

PHeller
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The LightMall Solarforce L2m claims a run time of 60 minutes, I don't know what power level thats at. 

If it makes anywhere near its claimed 1000 lumens, even at 50% power that'd be more than enough light as long it last an hour. 

Run-time is very important, as is weight, but if I can't see while riding, both are moot. 

The 4x18650 XML-T6 Bike Light from DX is capable of 3 hours on high which is darn near close to 900 lumens. 

I want to basically get half the lumens, but in a quarter of the battery power, with about 1 hour of run time. 

Here is what's possible for $250 124 grams, 1000 lumens, 1 hour run time on high. What's this thing got that cant be replicated with a few cheap torches?

watkins
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PHeller wrote:

I want to basically get half the lumens, but in a quarter of the battery power, with about 1 hour of run time. 

18650 mah= 2600

cr123a mah = 1500 or 700 (3.7v) at most

so you want half the lumens, but from a tiny battery in comparison.

You'd need multiple lights, and strapping multiple lights to your bike and helmet probably isn't the best option.

Again, may I suggest you re-think.

You're at the very least going to need 18650, and I'd be looking at two... one for flood one for throw.

E1320
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PHeller welcome to BLF

First off if you need a light within a week the only place you are going to get one is Shiningbeam DX will be 4-8 weeks easily.

I have a lot of lights and I prefer the KDC8 on my bike for the money it is ideal for a bike light. Here is the link for the light and a mount kit also, but again you are looking at 3-6 weeks.

http://kaidomain.com/ProductDetails.aspx?ProductID=11097

http://kaidomain.com/ProductDetails.aspx?ProductId=5255

The only lights you are going to get in a week unless you find something local on e-bay.

P-rocket is pretty nice for the price and you will get your 800 lumens you are looking for.

http://www.shiningbeam.com/servlet/the-97/**NEW**--P-dsh-Rocket-XM-dsh-L...

Same bike mount as KD a little more money but you will have it in a week.

http://www.shiningbeam.com/servlet/the-131/Adjustable-Universal-Flashlig...

You are not going to get the run time you are looking for, sorry. With the KD C8 I usually ride in low or medium mode the full 800 lumen high mode is unnecessary unless you are running full speed downhill on tight trails. I carry an extra battery in my pocket and a backup light just in case and don't forget a tail light so you don't get run over.

I am already visualizing the duct tape over your mouth.

PHeller
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Ah, finally a rider! 

E1320, thanks for the advice. It appears the smaller batteries just dont push enough power for long run times. Bummer. I personally think the 18650 is too big to mount on a helmet, and really thats the only reason I was looking at torches. 

If I'm going to have to wait 2-3 weeks for it get to me, I might as well order the bike light on DX. 

So, there are no 1-2hr run time 500 lumen CR123 lights out there?

E1320
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PHeller wrote:

Ah, finally a rider! 

E1320, thanks for the advice. It appears the smaller batteries just dont push enough power for long run times. Bummer. I personally think the 18650 is too big to mount on a helmet, and really thats the only reason I was looking at torches. 

If I'm going to have to wait 2-3 weeks for it get to me, I might as well order the bike light on DX. 

So, there are no 1-2hr run time 500 lumen CR123 lights out there?

There is no way you are going to get they kind of run time out of a CR123 they just don't pack enough energy in them, 18650 is definitely the way to go. DX has been ridiculessly slow latey my last couple orders took over 6 weeks.

Something like an Uniquefire 2100 or a Shiningbeam S-mini takes an 18650 and is small enough to mount on your helmet. I have the older version of the S-mini and it is the smallest 18650 light made. That combined with a KDC8 mounted to your bars would be a perfect combo.

http://www.shiningbeam.com/servlet/the-208/***NEW***--ShiningBeam-S-dsh-...

You might want to try KD to save some time. Manafont used to sell the same light but they appear to be sold out, they are by far the fastest shipper of the Chinese lights. If you do order the light from DX make sure you get the extension cable DX sells, because there light has a really short cable.

http://kaidomain.com/ProductDetails.aspx?ProductId=11226

I am already visualizing the duct tape over your mouth.

Smelly
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I have a couple of L2ms and managed to sqeeze an 18500 in them, I think it is actually an 18490.

Hikelite
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2600mAh is not the highest capacity available 18650.

If you really need better runtimes, buy a 3100mAh 18650. Panasonic NCR18650A, Callie's Kustoms 3100, Redilast 3100, 4GREER 3100

Hikelite
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PHeller wrote:

The LightMall Solarforce L2m claims a run time of 60 minutes, I don't know what power level thats at. 

If it makes anywhere near its claimed 1000 lumens, even at 50% power that'd be more than enough light as long it last an hour. 

Run-time is very important, as is weight, but if I can't see while riding, both are moot. 

The 4x18650 XML-T6 Bike Light from DX is capable of 3 hours on high which is darn near close to 900 lumens. 

I want to basically get half the lumens, but in a quarter of the battery power, with about 1 hour of run time. 

Here is what's possible for $250 124 grams, 1000 lumens, 1 hour run time on high. What's this thing got that cant be replicated with a few cheap torches?

 

http://www.exposurelights.com/product/000078/diablo-mk.3/

I don't know about that flashlight.

975 Lumens on a 2600mah battery for 1 hour.  With Triple XP-G R5.

"New patented technology that combats the loss in efficiency of LEDs at elevated temperatures, maintaining optimum output keeping you shining ‘Brighter for Longer’."

"Gold plated charge port "

One XP-G has vf of 3.3 so, that 9.9 for 3.

 

The driver boosts the voltage from one battery to 10V , can maintain 10V and over 1000mah current draw for each led for an hour.

Thats probably a 25min runtime on high.

 

 

 

 



Boaz
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You are quoting lightmall and everyone here knows to avoid this site ..One reason is they are liars  it would be like quoting ebay specs for lights  I have a trustfire 16340 battery in front of me that says.... 880 mah  guess what it will really do ..?.. to find that out you'd need to do a search either here or on cpf ..I'd bet old has the real numbers or mitro My guess is it's about 500mah A decent 18650 will do about 2400~2800Mah and be much closer to the rated numbers on the battery ..Unless you buy junk;;;) So if a 5 times stronger battery (18650)can't run an hour at 800 + lumens .. http://www.zebralight.com/SC600-Cree-XM-L-750Lm-Flashlight-18650_p_55.html  ..What are the odds of a battery with 20% of the power doing it ...It can't happen in this dimension ..just like you will never be faster pedaling uphill than you are downhill ...Science!!!!

  I suggest nitrous in your water bottle

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