[PSUBS-MAILIST] Lithium batteries

[Alan James via Personal_Submersibles]

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 What I am trying to do is avoid spending a huge amount on a lithiumbattery that will soon be superceded by the lithium sulphur or lithium air.Alan   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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