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 Choices Kessler or Anker 
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Joined: Wed Aug 17, 2011 8:07 am
Posts: 58
Post Choices Kessler or Anker
I'm in the midst of choosing power options for multiple mo-co rigs.

Torn between buying Kessler's beauty of a batt.
http://www.kesslercrane.com/product-p/ion_battery.htm

OR

Half a dozen of these.
http://www.amazon.com/Upgraded-Anker-14 ... B005NGLTZQ

Anyone have any experience with the Ankers?
Is there a must read thread link for someone researching power options?
I'm a beginner at power and need a basic understanding how all of the acronyms (mah) relate to battery functionality.

Soon I will be buying another system and am looking for power options that are universal.
I currently own a DP stage zero and love their batt. I often use it to power my camera as i hear it holds as much power as two Lp-E6s.
Thought about making a bank from these as well...

Love to hear your thoughts, pros and cons of different power systems.
Thanks.

~Scott

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Thu Jun 27, 2013 12:34 pm
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Joined: Tue Mar 13, 2012 4:33 pm
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Location: Omaha,NE
Post Re: Choices Kessler or Anker
What exactly do you need so much power for? are you planning on being out for a week? I have a couple ebay battery packs and a DP battery. I also just have a Anker Astro Pro2 and don't see myself needing to recharge them for days. I ran a Chronos and DP rig for 4 nights straight and didn't even have to break out the Anker(I mainly use that to power my laptop)

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Thu Jun 27, 2013 4:04 pm
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Joined: Tue Nov 24, 2009 7:55 am
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Post Re: Choices Kessler or Anker
Hi, you might want to look at these as well: http://www.deben.com/tracer-battery-packs/12v-8ah-lithium-polymer-battery-pack.html

I have the 22Ah unit for driving up to 5 stepper motors.

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Fri Jun 28, 2013 1:34 am
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Joined: Wed May 25, 2011 11:07 pm
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Location: Portland OR
Post Re: Choices Kessler or Anker
I have two of the ankers, powering and emotimo tb3 and stage zero dolly. I have had good results for horizontal moves but can only get 3-4 vertical moves out of one battery. Usually can go out for a day of shooting on the two of them, and they have been getting a little better with more use


Fri Jun 28, 2013 11:57 am
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Joined: Sat Aug 27, 2011 7:05 am
Posts: 289
Location: CO
Post Re: Choices Kessler or Anker
Same here, I have a few of these Anker batteries http://www.amazon.com/gp/product/B00B45EOYS/ref=wms_ohs_product?ie=UTF8&psc=1

Running into the same issues with them as you are...when you power the TB3 with stepper motor they only last 3-5hrs depending on how vertical you are getting and what stepper motor speed you have. Also I would not recommend the larger ones I linked if all you are doing is running MX2, they shut off due to small current being drawn.

I use Bescor bricks when I need more solid long lasting power: http://www.bescor.com/12v-Shoulder-SLA-Batteries.htm Heavy, but sound.

I did not realize how light the Kessler battery is. Thinking I might compliment my choices with one, looks like a really solid supply for TB3 stepper motor goodness.

Cheers!


Fri Jun 28, 2013 2:29 pm
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Joined: Thu Mar 07, 2013 3:01 pm
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Location: Bern, Switzerland
Post Re: Choices Kessler or Anker
I don't have the ANKER batteries, but more about them can be read here:

http://thechronosproject.com/discussion ... opic&t=4.0

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Mon Jul 01, 2013 2:21 pm
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Joined: Wed Aug 17, 2011 8:07 am
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Post Re: Choices Kessler or Anker
Just got back on my desktop and I was happy to see the replies. Thanks for the info.
It is great to hear some experience specifics on the DP battery. I ran it dry once on a very cold day in Canada, but it is still preforming well. I charge fully before every shot. Its great to hear about its limits
Are all of these batteries able to be split to run two devices? Can I run a MX2 and a eMotimo of one batt. if so there must be some kind of unit identification on batteries that let you know if it has the jam to run two devices. What would that unit be?

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Mon Jul 01, 2013 9:25 pm
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Joined: Thu Feb 14, 2013 12:24 pm
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Post Re: Choices Kessler or Anker
I have a 10K mah Anker and I must have gotten a crappy one... I couldn't even finish one horizontal move with TB3 and steppers :(
Now I just use the TB3 and MX2 because the DC motor lasts waaaay longer.

More hassle but I'm less worried about battery life now. I need more juice!


Tue Jul 02, 2013 9:45 am
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Post Re: Choices Kessler or Anker
scotchtape wrote:
I have a 10K mah Anker and I must have gotten a crappy one... I couldn't even finish one horizontal move with TB3 and steppers :(
Now I just use the TB3 and MX2 because the DC motor lasts waaaay longer.

More hassle but I'm less worried about battery life now. I need more juice!


Where are you at with your power for TB3/DP combo. I'm about to start a new topic on power because I've ran into some problems with powering the TB3 for more than a few hours on the Anker 10000mah batts.

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Wed Oct 09, 2013 1:44 pm
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Joined: Fri Apr 06, 2012 7:29 pm
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Post Re: Choices Kessler or Anker
Guys, these anker batteries are rated unfairly in that the Mah claim is based upon a 3volt draw if I remember correctly, I am sure it is around 3 volts, as I called the company myself last summer. You need to be very careful with lipo if you are working with that because they are very unstable and can burst into flames. I recommend storing and charging them in a fireproof cash box or safe. I am big into astrophotography and spent many hours researching batteries to power my equipment in the field for 12 hour stretches at a time. I wound up getting a deep cycle battery from wallmart which is 115 amp hours for around $80. A better brand with a bigger warranty is trojan http://webosolar.com/store/en/deep-cycl ... ttery.html A deep cycle battery is designed to be drained heavily with each use, beyond 50%, so it has a much longer lifespan than a normal car battery. I am able to run a core 2 duo laptop, 2 dew heaters, a telescope mount, a guide camera, a 550d, and a telescope mount for 12 hours easily, when I get home the battery usually has about 30-40% left and I then recharge it. SOme have complained about the weight but honestly when you buy one of the plastic storage cases with handles, it is not a chore to move one of these around. It is a 2 hand job but the battery weighs between 20 and 40 lbs, I've never weighed it for sure. Wallmart sells a folding compact light aluminum handtruck in their shipping/packaging supply area for $20 if you don't like the idea of carrying a battery. Bottom line - I see people spending alot of money on massively expensive batteries which are just not there yet in terms of development and cost. Go for the deep cycle, you wont be disappointed and you will be able to run gear for days. The threads on top of the deep cycle batteries allow you to connect ring terminals so that you can port as many connections as you want, I use a 3 way 15amp DC break out box to power my equipment, the dew heaters have their own separate ring terminal connection directly to the battery. Hope this helps.


Tue Dec 17, 2013 11:14 am
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