<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div id="yui_3_16_0_1_1479927388118_9868"><span id="yui_3_16_0_1_1479927388118_9875">Thanks Scott,</span></div><div id="yui_3_16_0_1_1479927388118_9882"><span id="yui_3_16_0_1_1479927388118_9883">just needed to know it was doable.</span></div><div><span>Alan</span></div><div class="qtdSeparateBR" id="yui_3_16_0_1_1479927388118_9855"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_1_1479927388118_9862" style="display: block;">  <div id="yui_3_16_0_1_1479927388118_9861" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_1_1479927388118_9860" style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;"> <div id="yui_3_16_0_1_1479927388118_9859" dir="ltr"> <font face="Arial" size="2"> <hr size="1"> <b><span style="font-weight: bold;">From:</span></b> via Personal_Submersibles <personal_submersibles@psubs.org><br> <b><span style="font-weight: bold;">To:</span></b> Personal Submersibles General Discussion <personal_submersibles@psubs.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Thursday, November 24, 2016 10:30 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [PSUBS-MAILIST] Batteries<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_1_1479927388118_9919"><br>Alan,<br clear="none"><br clear="none">I just have it hard wired into the submarine electrical system. A simple switch turns it on and off. <br clear="none"><br clear="none">Thank you,<br clear="none">Scott Waters<br clear="none"><br clear="none">>  -------Original Message-------<br clear="none">>  From: Alan James via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">>  To: Personal Submersibles General Discussion <<a href="mailto:personal_submersibles@psubs.org" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">>  Subject: Re: [PSUBS-MAILIST] Batteries<br clear="none">>  Sent: Nov 23 '16 15:07<br clear="none">>  <br clear="none">>  Scott,<br clear="none">>  already sold my house & living in a cardboard box. (well small unit)<br clear="none">>  But where could you buy an education or experience like we are<br clear="none">>  getting?<br clear="none">>  I had a look at a video on the CDK-6 conversion kit. It says you<br clear="none">>  have to unscrew the fitting from the SSB 2010 unit to turn off the<br clear="none">>  power!<br clear="none">>  Normally for a diver the power comes on automatically when the unit is<br clear="none">>  underwater.<br clear="none">>  Did you put a switch on this or were you still screwing-unscrewing to<br clear="none">>  turn the power on & off. Or did you wire the unit to your submarine<br clear="none">>  battery supply.<br clear="none">>  Also when mounting the transducer where is the best position?<br clear="none">>  If you mount it low you would have communication through it on the<br clear="none">>  surface,<br clear="none">>  or is this distorted in wavy conditions.<br clear="none">>  If you mount it high you would have less interference. Yes?<br clear="none">>  Cheers Alan<br clear="none">>  <br clear="none">>  -------------------------<br clear="none">>  FROM: via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">>  TO: Personal Submersibles General Discussion<br clear="none">>  <<a href="mailto:personal_submersibles@psubs.org" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">>  SENT: Thursday, November 24, 2016 9:18 AM<br clear="none">>  SUBJECT: Re: [PSUBS-MAILIST] Batteries<br clear="none">>  <br clear="none">>  Thank you for the in Alan. I am quickly finding that nothing in deep<br clear="none">>  sea vehicles is cheap. haha. Thrusters for $68,000. Tracking system<br clear="none">>  for $53,000. Pressure testing for $26,000. Comms for $29,000. So yup,<br clear="none">>  I'm selling my house and gonna live in a cardboard box, but at least<br clear="none">>  I'll have fun doing it. haha<br clear="none">>  <br clear="none">>  Thank you,<br clear="none">>  Scott Waters<br clear="none">>  <br clear="none">>  > -------Original Message-------<br clear="none">>  > From: Alan James via Personal_Submersibles<br clear="none">>  <<a href="mailto:personal_submersibles@psubs.org" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">>  > To: Personal Submersibles General Discussion<br clear="none">>  <<a href="mailto:personal_submersibles@psubs.org" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">>  > Subject: Re: [PSUBS-MAILIST] Batteries<br clear="none">>  > Sent: Nov 23 '16 14:05<br clear="none">>  ><br clear="none">>  > Scott,<br clear="none">>  > if you do a google image search on lithium iron "internal" or<br clear="none">>  > "assembly"<br clear="none">>  > or something like that, you find lots of variations. Some are<br clear="none">>  > cylinders<br clear="none">>  > stacked inside a square container, sometimes stacked vertical,<br clear="none">>  > sometimes<br clear="none">>  > horizontal; so lots of air pockets. Others are plates.<br clear="none">>  > In the case of SWE the battery internals can take massive pressure,<br clear="none">>  > but<br clear="none">>  > you couldn't guarantee that with every battery on the market. I<br clear="none">>  would<br clear="none">>  > assume they could but wouldn't be positive.<br clear="none">>  > If I were doing a hack I would get a dead battery of the type I was<br clear="none">>  > looking<br clear="none">>  > at & cut the top off to see how I would do it. (did that with my AGM<br clear="none">>  > battery hack)<br clear="none">>  > You could possibly take the tops off the batteries or drill holes in<br clear="none">>  > the<br clear="none">>  > tops of every cell to let any air escape when you oil filled them.<br clear="none">>  > Then<br clear="none">>  > put your battery pack in a box with a neoprene diagphram over the<br clear="none">>  top<br clear="none">>  > & oil fill.<br clear="none">>  > Like Hank is intending to do, or they do with the Deep Sea Power &<br clear="none">>  > Light<br clear="none">>  > Sea Battery (AGM).<br clear="none">>  > My lithium batteries don't have individual cel balancing electronics<br clear="none">>  > that I<br clear="none">>  > can see. Some have them external to the battery. All I required was<br clear="none">>  a<br clear="none">>  > 48V<br clear="none">>  > battery charger if I was assembling 4 x 12V into a 48V pack.<br clear="none">>  > Hugh's batteries were a bit more complex & he had a bad experience<br clear="none">>  > through<br clear="none">>  > not regularly charging them.<br clear="none">>  > Having said all that, when I talked with SWE I believe they were<br clear="none">>  > applying<br clear="none">>  > for ABS type approval, or something similar. If you are wanting<br clear="none">>  > certification<br clear="none">>  > you may get knocked back on a lithium battery hack.<br clear="none">>  > If it were me I would go & see them & pick their brains. You may<br clear="none">>  find<br clear="none">>  > out<br clear="none">>  > how to do it yourself, or they may do a good deal for you.<br clear="none">>  > I am building my own thrusters to save money, but some times it's<br clear="none">>  > cheaper<br clear="none">>  > to buy it off the shelf when you cost out your time & the resultant<br clear="none">>  > inferior product. :)<br clear="none">>  > Cheers Alan<br clear="none">>  ><br clear="none">>  > -------------------------<br clear="none">>  > FROM: via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">>  > TO: Personal Submersibles General Discussion<br clear="none">>  > <<a href="mailto:personal_submersibles@psubs.org" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">>  > SENT: Thursday, November 24, 2016 7:19 AM<br clear="none">>  > SUBJECT: Re: [PSUBS-MAILIST] Batteries<br clear="none">>  ><br clear="none">>  > Thank you for that info Alan. I am sure they charge plenty for it<br clear="none">>  > being pre-fabed for underwater work. I was hoping to take lithium<br clear="none">>  car<br clear="none">>  > batteries and see if there was a way to oil compensate them.<br clear="none">>  ><br clear="none">>  > Thank you,<br clear="none">>  > Scott Waters<br clear="none">>  ><br clear="none">>  > > -------Original Message-------<br clear="none">>  > > From: Alan James via Personal_Submersibles<br clear="none">>  > <<a href="mailto:personal_submersibles@psubs.org" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">>  > > To: Personal Submersibles General Discussion<br clear="none">>  > <<a href="mailto:personal_submersibles@psubs.org" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">>  > > Subject: Re: [PSUBS-MAILIST] Batteries<br clear="none">>  > > Sent: Nov 23 '16 12:05<br clear="none">>  > ><br clear="none">>  > > Scott,<br clear="none">>  > > these people sell sub sea lithium battery packs. I spoke with them<br clear="none">>  > at<br clear="none">>  > > the<br clear="none">>  > > underwater intervention convention a couple of years back.<br clear="none">>  > > They gave me a T shirt :)<br clear="none">>  > > Southwest Electronic Energy Group (SWE) | Custom advanced battery<br clear="none">>  > > solutions for the oil and gas industry SWE | Southwest Electronic<br clear="none">>  > > Energy Group<br clear="none">>  > ><br clear="none">>  > > SOUTHWEST ELECTRONIC ENERGY GROUP (SWE) | CUSTOM ADVANCED BATTERY<br clear="none">>  > > SOLUTIONS...<br clear="none">>  > ><br clear="none">>  > > Southwest Electronic Energy Group (SWE) designs and builds custom<br clear="none">>  > > advanced battery solutions for oil and gas, se...<br clear="none">>  > ><br clear="none">>  > > -------------------------<br clear="none">>  > > FROM: via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">>  > > TO: PSUBS <<a href="mailto:personal_submersibles@psubs.org" shape="rect" ymailto="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br clear="none">>  > > SENT: Thursday, November 24, 2016 6:46 AM<br clear="none">>  > > SUBJECT: [PSUBS-MAILIST] Batteries<br clear="none">>  > ><br clear="none">>  > > Does anyone on psubs have experience in oil compensating lithium<br clear="none">>  > > batteries? The only time I have known this to happen is in James<br clear="none">>  > > Cameron's deep sea challenger. I have tried to get answers from<br clear="none">>  > their<br clear="none">>  > > engineering staff, but have had no luck so far.<br clear="none">>  > ><br clear="none">>  > > Thank you,<br clear="none">>  > > Scott Waters<br clear="none">>  > > _______________________________________________<br clear="none">>  > > Personal_Submersibles mailing list<br clear="none">>  > > <a href="mailto:Personal_Submersibles@psubs.org" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none">>  > > <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" shape="rect">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><div class="yqt9785862762" id="yqtfd85726"><br clear="none">>  <br clear="none">>  ><br clear="none">>  > ><br clear="none">>  > > -------------------------<br clear="none">>  > > _______________________________________________<br clear="none">>  > > Personal_Submersibles mailing list<br clear="none">>  > > <a href="mailto:Personal_Submersibles@psubs.org" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none">>  > > <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" shape="rect">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none">>  > ><br clear="none">>  > _______________________________________________<br clear="none">>  > Personal_Submersibles mailing list<br clear="none">>  > <a href="mailto:Personal_Submersibles@psubs.org" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none">>  > <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" shape="rect">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none">>  ><br clear="none">>  > -------------------------<br clear="none">>  > _______________________________________________<br clear="none">>  > Personal_Submersibles mailing list<br clear="none">>  > <a href="mailto:Personal_Submersibles@psubs.org" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none">>  > <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" shape="rect">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none">>  ><br clear="none">>  _______________________________________________<br clear="none">>  Personal_Submersibles mailing list<br clear="none">>  <a href="mailto:Personal_Submersibles@psubs.org" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none">>  <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" shape="rect">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none">>  <br clear="none">>  -------------------------<br clear="none">>  _______________________________________________<br clear="none">>  Personal_Submersibles mailing list<br clear="none">>  <a href="mailto:Personal_Submersibles@psubs.org" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none">>  <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" shape="rect">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none">>  <br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a href="mailto:Personal_Submersibles@psubs.org" shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" shape="rect">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div><br><br></div> </div> </div>  </div></div></body></html>