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FORUMS General Gear Talk Flash and Studio Lighting 
Thread started 27 Nov 2013 (Wednesday) 00:24
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Elinchrom Ranger Lithium Battery

 
tetrode
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Nov 27, 2013 14:23 |  #16

For safety's sake, it wouldn't be a bad idea, Sheldon, to update the placard on the side of the battery box.




  
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Sheldon ­ N
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Nov 27, 2013 15:58 |  #17

Excellent idea Dave. I have a skull and crossbones sticker that would be perfect. :)


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Nov 27, 2013 16:06 |  #18

Beauty Sheldon.


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symbolphoto
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Nov 27, 2013 21:12 |  #19

Yeah Elinchrom vouches for the panasonic battery being safe for travel in their documentation here:
http://www.theflashcen​tre.com …rous_goods_15_0​2_05-1.pdf (external link)

So i think the Panasonic was standard.




  
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idamien
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Nov 28, 2013 00:41 |  #20

Sheldon N wrote in post #16483765 (external link)
Thanks guys!

Yes, same voltage. Part number is in the link, added it to the description as well.

:oops: Fixed that.

That would be cool if you could get one to work. I didn't see one that was the right voltage/size. Let us know what you find.

I don't think there's any reason to worry. The max current draw on the battery is specified at 30A. The fuse on the Ranger battery is a 40A fuse, so the actual current draw is well below the fuse rating. I discussed the application and current draw with the battery distributor when I spoke to them on the phone and they felt it was an appropriate usage. In addition, the battery has a protection circuit built in to guard against overdraw.

I know the fuse is only 40A but it's a really slow automobile fuse, The peak of curant is up to 50A on speed mode.




  
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Sheldon ­ N
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Nov 28, 2013 01:44 |  #21

idamien wrote in post #16485713 (external link)
I know the fuse is only 40A but it's a really slow automobile fuse, The peak of curant is up to 50A on speed mode.

Source of information?


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idamien
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Nov 28, 2013 07:13 |  #22

Sheldon N wrote in post #16485794 (external link)
Source of information?

I'm technician and I've measured these current.
Did you have already test the battery at full power flash and speed charge mode?
If the time of charge is the same as the lead Battery, that mean that the current is too high for this LiIon Battery.




  
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Nov 28, 2013 07:58 |  #23

idamien wrote in post #16486044 (external link)
I'm technician and I've measured these current.
Did you have already test the battery at full power flash and speed charge mode?
If the time of charge is the same as the lead Battery, that mean that the current is too high for this LiIon Battery.

I guess that would depend on how you interpret "too high", wouldn't it? The warning you pointed out in a previous post referred to using the battery for engine starting application where the current draw really is high. Are you implying that charging a strobe capacitor draws the same amount of current for the same duration as starting an engine?

BTW, did you read the OP in full? Because he already stated that he tested the battery at full power in speed mode.


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Sheldon ­ N
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Nov 28, 2013 10:27 |  #24

idamien wrote in post #16486044 (external link)
Did you have already test the battery at full power flash and speed charge mode?

Yes, ran through a full battery at speed charge mode and full power flash. 300 consecutive full power flashes without issue.


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Nov 28, 2013 12:17 |  #25

Nice write-up!

Hope these stay around for a while.


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Nov 28, 2013 12:21 |  #26

just a point of awareness...

Folks, keep in mind that the nature of the lithium ion rechargeable battery is to begin to deteriorate the lithium battery's anode from the date of manufacturer, regardless of the lightness/heaviness of usage. Three years, start to plan on replacing the battery.

Current lithium-ion batteries use an anode made of graphite. When you charge the battery quickly, the lithium ions can plate on the anode, forming projections that if they get long enough, they can touch other battery components, creating a short circuit that will make the battery fail.


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Nov 28, 2013 13:02 |  #27

The specs on the Stark Power page indicate an expected lifespan of 3,000 charge cycles and 10 calendar years.


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tetrode
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Nov 28, 2013 13:44 |  #28

Sheldon N wrote in post #16486699 (external link)
The specs on the Stark Power page indicate an expected lifespan of 3,000 charge cycles and 10 calendar years.

So your Stark battery will be approaching EOL just about the time Elinchrom announces their lithium pack for the Ranger.




  
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Nov 28, 2013 14:32 |  #29

tetrode wrote in post #16486771 (external link)
So your Stark battery will be approaching EOL just about the time Elinchrom announces their lithium pack for the Ranger.

Is that Swiss time?:cool:


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Nov 28, 2013 14:50 |  #30

windpig wrote in post #16486844 (external link)
Is that Swiss time?:cool:

Doesn't work with Profoto.


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Elinchrom Ranger Lithium Battery
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