[PSUBS-MAILIST] Batteries

[Brian V Ryder via Personal_Submersibles]

Hank 
I was just thinking that it would be a better battery but after reading I am second guessing myself, in its original configuration it was around 23k pounds and I want to lighten it up as much as I can we had looked at antipodes when she was for sale and I like the look and way it was set up rough calculations would be about 15k set up like antipodes 
That's a weight I can deal with and the AGM batteries worked well they were full river 250 AH 6 volt 
But I always like new stuff and a smart battery is just cool 
Thanks Brian 

Sent from my iPhone

> On Jul 31, 2015, at 5:50 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Hi Brian,
> I am curious why you would want Lithium batteries instead of AGM.  Is it a weight issue?  In the DW it makes sense because weight is a huge factor, I would have guessed with your sub volume it would not be an issue.  
> Hank
> 
> 
> 
> On Thursday, July 30, 2015 10:55 PM, Alan James via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> Hi Brian,
> Deep Worker is now using Lithium Iron from these people.
> http://beckettenergy.com/ they are up the North East somewhere.
>    At Underwater Intervention Convention these people gave me a Tee Shirt.
> I had to go to my cupboard to find the name.
> Southwest Electronic Energy Group (SWE) | Custom advanced battery solutions for the oil and gas industry SWE | Southwest Electronic Energy Group
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> Southwest Electronic Energy Group (SWE) | Custom ad...
> Southwest Electronic Energy Group (SWE) designs and builds custom advanced battery solutions for oil and gas, seismic, pipeline inspection, military, remote monit...
> View on www.swe.com
> Preview by Yahoo
>  
> again Lithium Iron.
> Lithium Polymer seems to be reguarded as the unsafe technology.
> You could stay with your lead acid batteries & hold out for these guys to come on stream.
> Oxis To Manufacture Li-S Batteries Achieving 400 Wh/kg
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> Oxis To Manufacture Li-S Batteries Achieving 400 Wh/kg
> Originally published on Kompulsa. Many years ago, I learned of a technology that could turn the energy industry upside down -- the lithium-sulfur battery. It could ...
> View on cleantechnica.com
> Preview by Yahoo
>  
> Would be interested in anything you turn up as I am looking at either Lithium Iron
> or Lithium Sulphur if it eventuates. I have a year or so to make up my mind though.
> Hugh has had some experience (bad) with Lithium Sulphur. He may give some advice
> if you take that path.
> Cheers Alan
> 
> From: Brian V Ryder via Personal_Submersibles <personal_submersibles at psubs.org>
> To: "personal_submersibles at psubs.org" <personal_submersibles at psubs.org> 
> Sent: Friday, July 31, 2015 3:48 PM
> Subject: [PSUBS-MAILIST] Batteries
> 
> 
> Hello it's been a long time since I have chimed in but I have a few questions for the group 
> I am getting ready to move and completely overhaul DSH 2 our pierce built sub and the final boat will resemble antipodes without the rear viewport 
> My question is batteries I will have funding available for lithium polymer battery's has anyone used them or any knowledge on them 
> And also are there any drawings around of antipodes ? 
> Any help would greatly be appreciated and the boat will be at our shop in Salem Ohio if anyone wants to come by and lend some much needed knowledge 
> 
> Thanks Brian 
> Sent from my iPhone
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