[PSUBS-MAILIST] Lithium batteries

Tue Feb 3 04:15:14 EST 2015

WOW that's expensive.These Thundersky batteries are a good option.I remember Herve Jaubert saying he was using them in his ambient's,but in a battery pod, not compensated.Alan
      From: David Colombo via Personal_Submersibles <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Tuesday, February 3, 2015 9:34 PM
 Subject: Re: [PSUBS-MAILIST] Lithium batteries

Hi Scott,
Two years ago the cost was $7000 for a single battery when I attended the UI convention. They might be cheaper this year. Want me to pick you up  a couple, I know they are supposed to be at the the Ui event this year as well. Wy and I will be attending. I will need a bigger suit case to bring them home however.

Best Regards,
David Colombo

804 College Ave
Santa Rosa, CA. 95404
(707) 536-1424
www.SeaQuestor.com

On Mon, Feb 2, 2015 at 6:04 PM, swaters at waters-ks.com via Personal_Submersibles <personal_submersibles at psubs.org> wrote:

Thanks for the info Alan!-Scott Waters

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-------- Original message --------
From: Alan James via Personal_Submersibles <personal_submersibles at psubs.org> 
Date:02/02/2015 12:32 PM (GMT-06:00) 
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
Cc: 
Subject: Re: [PSUBS-MAILIST] Lithium batteries 

Iam not sure about that battery Scott,but these are pressure resistant & have a compensation module.SWE Seasafe subsea Battery Modules SWE | Southwest Electronic Energy Group

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  I couldn't remember their name, then looked at the T shirt they gave me at the last underwater intervention convention:)They will possibly be in New Orleans for this February's U. I. convention.There is an exhibitor list.Alan
      From: "swaters at waters-ks.com via Personal_Submersibles" <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Tuesday, February 3, 2015 12:51 AM
 Subject: Re: [PSUBS-MAILIST] Lithium batteries

Great info Alan. Do you know if those batteries are soild or do they contain air? I am wanting to do compensated batteries for my new submarine to keep the weight down.Thanks,Scott Waters

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-------- Original message --------
From: Alan James via Personal_Submersibles <personal_submersibles at psubs.org> 
Date:02/02/2015 12:50 AM (GMT-06:00) 
To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
Cc: 
Subject: Re: [PSUBS-MAILIST] Lithium batteries 

Scott,the DW2000s are using lithium iron batteries manufactured by thisNorth America company...http://beckettenergy.com/advanced-maritime-battery-systems/
At the bottom of the page is a link to their dealings with Nuytco.The DW2000 batteries are in sealed pods as per usual.There is a new battery technology that the electric car market is excited about;lithium sulphur. They have already proven to be 5 x more energy dense thanlithium polymer batteries. They are also expected to be cheaper than lead acidper kilowatt of energy. I am hoping they will be available in a couple of yearswhen I finish my next sub. So I am designing to have battery pods that willbe fitted with lead acid batteries, but are hoping I can put lithiuym sulphurin them. What I am trying to do is avoid spending a huge amount on a lithiumbattery that will soon be superceded by the lithium sulphur or lithium air.Alan   
      From: "swaters at waters-ks.com via Personal_Submersibles" <personal_submersibles at psubs.org>
 To: psubs <personal_submersibles at psubs.org> 
 Sent: Monday, February 2, 2015 3:18 PM
 Subject: [PSUBS-MAILIST] Lithium batteries

I am working on my new sub design and am trying to do everything possable to keep the weight down. One of my thoughts is to not use AGM batteries and use lithium. A few questions about lithium batteries. Does anyone have a source for them? Also are they completely filled so you could compensate them? Maybe use the enclosure like Deep Sea Power and Light?Thanks,Scott Waters

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