SPORTAC® P60 drop-ins ©2014 Eagtac™ LLC

Jauno

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Could someone else with Sportac´s measure their current draw?
I have dual output XM-L2 nw and get 2.65A with 2xCR123´s and 1.95A with 18650 (Eagletac 3400mAh). Solarforce L2P host with fitting ring. Measures taken after 30 sec from start.
Shouldn't 2xCR123 have lower amp draw? Same results (but different amp values) with ETP200C2..
:thinking:

So given lumen values does not makes sense for current draw. At least from 18650..
 

texas cop

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Could someone else with Sportac´s measure their current draw?
I have dual output XM-L2 nw and get 2.65A with 2xCR123´s and 1.95A with 18650 (Eagletac 3400mAh). Solarforce L2P host with fitting ring. Measures taken after 30 sec from start.
Shouldn't 2xCR123 have lower amp draw? Same results (but different amp values) with ETP200C2..
:thinking:

So given lumen values does not makes sense for current draw. At least from 18650..

Your measurements are right in line with mine on 2xCR123a's and with 3 I get 1.7 amps.
 

Mr. Nobody

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Re: SPORTAC® P60 drop-ins ©2014 Eagtac LLC

+

TnC Products

C-Flex_26650_HA_Natural_V1.JPG


___^ pic from Chris' site,,, kinda dark but its there;)
$398.00 wow
 

Jauno

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Your measurements are right in line with mine on 2xCR123a's and with 3 I get 1.7 amps.

Thank you.
Still wonder what´s going on with 18650. One from German forum reported following amp draws:

  • 1x 18650 ---- 2.75 A
  • 2x 16340 ---- 1.5 A
  • 2x CR123A ---- 2.5 A
 

Mr. Nobody

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Thank you.
Still wonder what´s going on with 18650. One from German forum reported following amp draws:

  • 1x 18650 ---- 2.75 A
  • 2x 16340 ---- 1.5 A
  • 2x CR123A ---- 2.5 A
Doing measure now...

My Results after 10 second reading:
1xIMR18650: 2.80A
1xIMR16340: 2.56A
2xIMR16340: 1.46A
2xCR123: 2.52A
1x18650: 2.62A
1xCR123: 0.33A
 

KITROBASKIN

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Any P60 dropin will work in an ODL, but the electron hungry triples really benefit from the dramatic increase in capacity. The new Orbtronic 26650's, both protected and unprotected, can handle high amperage as well.

Last night, I kept my Oveready Defense Light on for over 45 minutes straight, with a nailbender triple Nichia 219B ( 3.8 amps). I had it full (4.19V) to start and the voltage was close to 3.6 at the end. I used my Xtar charger (VC2) that reports mAh used to charge to full again. At .5A charging, it took about 6+ hours I think to charge and put a little over 3000 mAh into the 26650. I do not like to go below 3.6V on my batteries, and have the VP2 Xtar charger to charge at 1A as well. The ODL with the 5200 mAh Orbtronic batteries handle my walks very well. I am curious to see how long-lived the Orbtronics will be.


CandlePowerForums App
 

recDNA

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No, someone else measured 2.5 amps with 2 x CR123A. Seems like as voltage drops amps would go up even more. Flash. Boom. Trip to emergency room.
 

cland72

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With a 2C max safe discharge guide, CR123s should be able to safely provide up to 3A.

edited to remove my suggestion due to potentially bad advice
 
Last edited:

cland72

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I thought primaries were 1 C and li ions 2C?

I did some searching online and couldn't find confirmation that 2C is the max safe for primaries - it was mostly referring to lithium ion batteries. That being said, the Surefire P61 draws over 2.25A (1.5C) so I doubt 1C is the maximum safe limit for primaries.
 

archimedes

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Well, safety is relative :caution:

I couldn't easily find a data sheet listing recommended max current draw for SureFire-branded (1500mAh) CR123A, but when @SilverFox tested a wide range of batteries, those breached his preset thermal limit during his 2000 mA test ...

http://www.candlepowerforums.com/vb/showthread.php?67078-123-Battery-Shoot-Out

The data sheet for Vartan 1500mA CR123A cells are rated at 1400 mA continuous draw ( ~0.9C ) .

One data sheet for Duracell lithium primary battery chemistry (it is rather general, not item specific, however) appears to suggest that CR123A 1300 mAh cells could support 1200 mA continuous draw ( ~0.9C ) , or pulses of up to 5 Amp.

Personally, I am more comfortable keeping draw under 1C for primaries.

And I have now eliminated multi-cell primary setups almost entirely.
 
Last edited:

cland72

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Thanks Archimedes. I've edited my post above so as not to mislead anyone.

Based on your post, I guess it all depends on how you're using the light. Short bursts at 3A are probably ok, but prolonged runtimes above 1.5A aren't a good idea.
 

archimedes

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Thanks Archimedes. I've edited my post above so as not to mislead anyone....

Thanks, and thanks for the edit.

With safety issues, there's always a spectrum of risk. Important to be aware of the potential issues, as well as a plan to minimize excess risk(s).

Cheers ... :)
 

recDNA

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My concern is if draw is 2.5 amps on fresh primaries imagine how high current gets as voltage drops!
 
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