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<font size="3" face="Lucida Grande">Hi Ron,</font> </p>
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<font size="3" face="Lucida Grande">It has been my experience when sulfated batteries are pushed you do get higher gassing and a higher "hit you in the face" smell off the batteries. Keep the room well vented and watch the temp (max 125F).</font> </p>
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<font size="3" face="Lucida Grande">Regards,</font> </p>
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<font size="3" face="Lucida Grande">Jamie</font><br><br>>>> Ron Young <solareagle@solareagle.com> 1/15/2010 1:34 AM >>><br>Just a follow-up on this. I have able to get the batteries to accept a higher and higher amp charge and the hydrometer indicates recovery is taking place. However, in the last 15 hour session of charging (this is being done in an unmonitored location overnight) the batteries off-gassed quite a bit. The gas was very strong rotten egg smell indicating hydrogen sulphite...not good stuff. I've never noticed this in charging batteries in the past even in some heavy charging scenarios you can get an acrid sulphuric smell but not the rotten egg smell. Is this because the batteries are so heavily sulphated and is this a normal consequence or is it an indicator of some other malady in the batteries? </p>
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Ron Young </p>
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earthRight Solar </p>
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On 10-Jan-10, at 8:32 PM, Ron Young wrote: </p>
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Some interesting things to consider, thanks everyone! </p>
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Ron </p>
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On 10-Jan-10, at 4:20 PM, James Surrette wrote: </p>
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<font size="3" face="Lucida Grande">Hi Ron,</font> </p>
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<font size="3" face="Lucida Grande">Given the time in "storage" the cells will be severely sulfated and will not accept much current initially - probably 28A max (1400x2%) and 70A (1400x5%) will suffice once current is accepted. A standalone "unregulated" charger or constant current would be best to reclaim these or at least get things started.</font> </p>
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<font size="3" face="Lucida Grande">Regards,</font> </p>
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<font size="3" face="Lucida Grande">Jamie</font><br><br><SPAN STYLE='FONT-FAMILY:"Lucida Grande" style="font-size: 12pt" ;FONT-SIZE:"12pt"'><br style="font-size: 12pt; font-family: Lucida Grande">James Surrette<br style="font-size: 12pt; font-family: Lucida Grande"><br style="font-size: 12pt; font-family: Lucida Grande">Surrette Battery Co. Ltd<br style="font-size: 12pt; font-family: Lucida Grande">1 Station Rd.<br style="font-size: 12pt; font-family: Lucida Grande">Springhill, NS, CAN<br style="font-size: 12pt; font-family: Lucida Grande">B0M 1X0<br style="font-size: 12pt; font-family: Lucida Grande"><br style="font-size: 12pt; font-family: Lucida Grande">Direct: 902.597.4027<br style="font-size: 12pt; font-family: Lucida Grande">Fax: 902.597.8447<br style="font-size: 12pt; font-family: Lucida Grande"><br style="font-size: 12pt; font-family: Lucida Grande"><br style="font-size: 12pt; font-family: Lucida Grande"><br style="font-size: 12pt; font-family: Lucida Grande"><br style="font-size: 12pt; font-family: Lucida Grande"></SPAN>>>> Ron Young <<a href="mailto:solareagle@solareagle.com">solareagle@solareagle.com</a>> 1/10/2010 5:52 PM >>><br><span style="white-space: pre-wrap; line-height: 18px; font-size: 13px; font-family: Trebuchet MS, Verdana, Helvetica, Arial, sans-serif; color: rgb(51, 51, 51)" class="apple-style-span"><font face="Verdana, Helvetica, Arial, sans-serif" class="apple-style-span" size="3" color="rgb(51, 51, 51)">I have just acquired a 24v set of 1400a/h 2v cells that have been in storage without a charge for several years. They were connected up in a system that was never turned on (long story). I believe these batteries can be recovered if I can get a high enough amp charge into them. The battery mfg. recommends putting a 200 amp charge on until internal temp rises to 40 degrees C then let them cool and do it again, maybe 15 times, to blow the sulphates of the plates. Unfortunately I don't have a 200 amp charger but I do have an Outback 3524 inverter with an 85 amp charger. I'm wondering if I can force the inverter to maximum charge to accomplish this. I hooked the inverter up but the batteries only have about 10.5 v output from the batteries (hooked up 12 in series for 24v). For this reason the Outback won't power up. I am wondering about using a standalone charger to provide power to the batteries -- which will also provide power to the inverter -- and allow it to come on and charge. Anyone suggest a better way?</font></span> </p>
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<span style="font-size: 13px; line-height: 18px; white-space: pre-wrap" class="apple-style-span"><font face="'Trebuchet MS', Verdana, Helvetica, Arial, sans-serif" class="apple-style-span" size="3" color="#333333">Ron Young</font></span> </p>
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