Yes, I purchased one and although I have not done and scientific testing, I can say that my house bank is made up of 2 group 31s that are still running strong after 5 years of service and I just lost the 3rd battery that had been in service for over 9 years. (Yes, I know I should not be mixing batteries of varying vintage).
Sam Steve Weinstein wrote: > I agree 100% with Arild, Phil. I installed one of the PulseTech units on my > other boat which had a pair of L-16s for the house bank and a G-24 for the > starting battery. They give you an option for a "solar powered" unit but I > used the standard one and just hooked it up to the house bank. The draw was > minimal, especially considering that the pair of L-16s gave me close to a > 379 ah house bank. Worked like a charm for many, many years. > > The only reason I haven't put one on the new one (4 T-105s for the house) is > I just haven't gotten around to it yet and these batteries are brand new. I > fully intend to give them a call later this year and order and install one > for Captiva. > > Come to think of it, I believe Sam Densler also mentioned them as excellent > last winter or earlier this spring when this topic came up... > > > > > Steve Weinstein > S/V CAPTIVA > 1997 Hunter 376, Hull #376 > Sailing out of Oyster Bay, NY > > All outgoing mail protected by VIPRE A/V > > > ----- Original Message ----- > From: <[email protected]> > To: <[email protected]> > Sent: Wednesday, July 08, 2009 8:58 PM > Subject: [Liveaboard] Recovering supposedly dead batteries -( Was: > TrojanBatteries) > > >> ----- Original Message ----- >> From: "Philip Lange" >>> Tested the Battery with a hydrometer today. One cell is flat, just >>> bubbled its way to oblivion. The other 5 cells are well into the green. >>> Spoke with a Trojan Tech this afternoon. Among other things he cautioned >>> against using those battery re-conditioners. Jason said that Trojan had >>> tested a number of them and none did what they were supposed to do. >>> Trojan is of the opinion that all they do is take juice from the >>> battery. >>> Philip >> >> REPLY >> Did you really expect to get a rousing endorsement of a product that >> might >> cut into their sales? >> >> Pulsetech took out their patent back in 1985. They developed a product >> exclusively for the US military. >> It apparenly worked. After ten years of military use they got permission >> to market the product and technology to the consumer market in 1995. I >> was asked if I knew anything about the product in 2000. My initial >> reaction >> was "this must be snake oil! " but in an effort to at least give it the >> benefit of the doubt I did look into it. >> I worked for Xantrex at the time and I was given the go ahead to >> investigate and see if it might be viable technology and perhaps >> worthwhile >> licencing the technology as a complement to our own charger products. >> Despite my own scepticism I acquired some samples and began testing. We >> had a lot of dead batteries in our engineering lab so I started with >> them. >> To my surprise I was able to revive about half. These were batteries >> that >> had been tested to destruction or left on the shelf for months if not >> longer. In retrospect I suspec the recovered bateries wer likey the ones >> left on shelf before ebeign totally desttroyed. I also began >> disassembling >> batteries to see how the platesd inside had been damaged. >> >> At about that time Xantrex had a major shift in corporate focus and the >> project was abandoned. I continued on my own time. By this time several >> copy cat products began appearing on the market. Battery Minder being one >> of them. In one on one tests these did not always work as well. >> However I was getting similar results of about 75% - 80% recovery of >> sulfated batteries. >> Batteries that were physically damaged from electrolyte depletion or >> having bent and cracked plates did not respond to treatment. Sulfated >> batteries that were physically intact did. >> I began salvaging batteries from the disposal at marinas every spring. >> After a winter of siting idle , sometimes without even being charged, a >> lot >> of batteries were declared dead by mechanics who did not bother to >> test >> them properly. >> It is not snake oil nor is it rocket science. Pulsetech did at one time >> publish tech paper but of late these have disappeard from public >> posting. >> Presumably because too many competitors were reverse engineering the >> product and cutting into their sales. >> >> Don't take my word for it. do your own research. Puzzle out the physics >> behind the claims. you'll see. >> >> Arild >> >> . >> >> >> >> _______________________________________________ >> Liveaboard mailing list >> [email protected] >> To adjust your membership settings over the web >> http://www.liveaboardnow.org/mailman/listinfo/liveaboard >> To subscribe send an email to [email protected] >> >> To unsubscribe send an email to [email protected] >> The archives are at http://www.liveaboardnow.org/pipermail/liveaboard/ >> >> To search the archives >> http://www.mail-archive.com/[email protected] >> >> The Mailman Users Guide can be found here >> http://www.gnu.org/software/mailman/mailman-member/index.html > > _______________________________________________ > Liveaboard mailing list > [email protected] > To adjust your membership settings over the web > http://www.liveaboardnow.org/mailman/listinfo/liveaboard > To subscribe send an email to [email protected] > > To unsubscribe send an email to [email protected] > The archives are at http://www.liveaboardnow.org/pipermail/liveaboard/ > > To search the archives > http://www.mail-archive.com/[email protected] > > The Mailman Users Guide can be found here > http://www.gnu.org/software/mailman/mailman-member/index.html > -- **************************** Sam Densler mailto:[email protected] http://www.islandfx.com/lady S/V Lady of the Lake PDQ 36, Hull #15 Melbourne, FL S/V Stories She Could Tell Endeavour 37, Hull #454 Destroyed by Hurricane Frances 2004 Reborn and sailing again in 2007 **************************** "If you ever wonder why you ride the carousel, you do it for the stories you can tell." Jimmy Buffett "Stories We Could Tell" A1A _______________________________________________ Liveaboard mailing list [email protected] To adjust your membership settings over the web http://www.liveaboardnow.org/mailman/listinfo/liveaboard To subscribe send an email to [email protected] To unsubscribe send an email to [email protected] The archives are at http://www.liveaboardnow.org/pipermail/liveaboard/ To search the archives http://www.mail-archive.com/[email protected] The Mailman Users Guide can be found here http://www.gnu.org/software/mailman/mailman-member/index.html
