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Search preserved mailing-list messages and current email and website contributions. Current posts are searchable before weekly archival. Recovery gaps remain possible. Words are matched together; try fewer terms if needed.

Page 6+: 60 results shown for Deep discharge.

Source-balanced relevance: matches from both collections are interleaved, with source dates breaking ties. Restoration time is not the original posting date.

  • Re: 2nd Battery
    Historical mailing list - Karl Mullendore
    Mon, 11 Feb 2019 17:28:07 -0500
    You can deplete an AGM deep-cycle battery down by 80%, with the lifespan decreased. https://batteryuniversity.com/learn/article/absorbent_glass_mat_agm...
  • Re: CDN Tire: Two 6 volt vs One 12 volt battery question
    Historical mailing list - Michael Elliott
    Sat, 28 Jul 2007 09:52:21 -0700
    ...The ampere/hour ratings of the batteries are not given at the same discharge rate. The 6V battery is rated at 6 hours discharge...
  • Re: NVC Batteries and recycling, was Re: [retitled thread] Odyessy batteries from GoWesty, other deep cy
    Historical mailing list - Resiolute
    Tue, 26 Sep 2006 14:56:09 -0700
    ...Eastern Standard Time, >> LISTSERV@GERRY.VANAGON.COM writes: >> >> I notice that few deep discharge batteries have a very long warranty - >> don't remember seeing...
  • Interstate Batteries Researched & Purchased
    Historical mailing list
    Wed, 15 Nov 1995 11:00:05 -0500
    ...The Optima is a sort of exotic design that is supposed to charge up faster, be more able to withstand deep discharges, and can...
  • Re: Optima Blue D31M
    Historical mailing list - Philip Zimmerman
    Mon, 2 Jun 2008 23:07:37 -0700
    ...depends-on how each is used in-service and the discharge/charge cycles the battery suffers under. An Optima, will survive multiple deep-discharges...
  • new series 48 Odyssey battery
    Historical mailing list - Troy
    Wed, 15 Sep 2010 17:02:17 -0800
    ...the driver's seat, knowing that they are not designed for deep discharge and taking advantage of the warrantee. After only one year, my...
  • Norcold results (long)
    Historical mailing list - Rich Bennington
    Thu, 22 Jun 2006 12:46:42 -0700
    ...Couple that with the fact that batteries, even deep cycle, don't like being fully discharged, and you will need to either always camp...
  • Re: Becketts Tome on Dual Batt.s, Relays, Saftey, and charging (Very Long)
    Historical mailing list - Bill Davidson
    Fri, 16 Jun 2000 17:36:13 -0700
    ...Now lets > throw our deeply discharged aux. batt. into the picture. If you've got it > wired in with a chunk of thumb sized...
  • Battery Woes/Choice
    Historical mailing list - Troy
    Sun, 8 Jun 2008 00:57:03 -0800
    ...I read it would take something like 50 deep discharges before I killed the flooded battery, which will take me a while to do...
  • Battery Woes/Choice
    Historical mailing list - Troy
    Thu, 22 May 2008 12:59:36 -0800
    ...So, suggestions for a good battery to buy, whether it be a simple flooded style that would not be deeply discharged or go with...
  • Re: Why AGM batts don't last as long as they should
    Historical mailing list - Taeke
    Fri, 13 Jun 2008 08:34:27 -0400
    ...discharged AGM, and most alternators put out about 13 to 13.7 volts, depending on load, which is fine for flooded standard and deep...
  • Re: Batteries
    Historical mailing list - neil N
    Wed, 19 Aug 2009 20:54:55 -0700
    ...anywhere Possible disadvantages? -Can't handle being discharged as much, and/or as far, as a deep cycle. Not good for heavy demands -AFAIK...
  • Re: Heat while camping??
    Historical mailing list
    Thu, 19 Oct 1995 16:00:13 -0700
    ...The current draw is a dream, 2.3 amps, it will run for days on my deep cycle. I also installed a propane tank...
  • V6 EV / aux. batterys
    Historical mailing list - Austin
    Fri, 29 Nov 1996 21:55:45 -0800
    ...back page is listed (quote) "Lightning Cell Car Audio battery - peak discharge 1,200 amps, cold crank 550 amps, short circuit 2,600 amps...
  • Re: Charging circuit wiring upgrade/maintenance report/questions (longish)
    Historical mailing list - Steve Williams
    Mon, 12 Sep 2011 22:25:08 -0600
    ...Ah deep > cycle battery was a spendy little item and I like to baby it, perhaps > overmuch, by charging it like I discharge it...
  • Re: aux. battery
    Historical mailing list - Ron Lussier
    Fri, 01 Nov 1996 11:49:36 -0800
    ...space for the furnace, I want to find >the biggest, meanest deep discharge battery that will still fit in that >little, depth challenged space...
  • Re: Shorten Aux Battery Recharge Time
    Historical mailing list - David Beierl
    Fri, 25 Jan 2002 14:09:53 -0500
    At 11:36 AM 1/25/2002, lchase wrote: >I want to shorten the recharge time for a fully discharged Optima 750 Deep >Cell...
  • Re: Solar power
    Historical mailing list - Edward Duntz
    Fri, 18 Mar 2005 13:06:18 -0500
    ...Also consider that you shouldn't totally discharge even deep cycle batteries, so you should get a solar panel that will be able to...
  • 1987 Vanagon GL Westfalia For Sale in Boulder, CO
    Historical mailing list - Leonard Sitongia
    Wed, 20 Feb 2013 11:11:57 -0700
    ...Dometic awning Auxiliary marine deep-discharge battery added, with relay circuit for charging and wiring to connect to removable 32 watt solar panel in...
  • Fw: Re: Battery Isolators vs. Relays
    Historical mailing list - Julian Burden
    Thu, 13 Dec 2001 13:58:18 -0500
    ...Additionally, deep cycle batteries should be fully discharged before being charged. In my mind the ideal setup would be a pair of deep cycle...
  • Re: For Canucks Only -what kind of battery?
    Historical mailing list - Nathaniel Poole
    Sun, 11 Feb 2007 09:30:41 -0800
    ...an '80 vanagon? None > of the local vendors show anything in deep discharge that fits > (they're all too tall). > > What are Canadians using...
  • Re: Solar Panel config?
    Historical mailing list - Michael Elliott
    Thu, 22 Mar 2007 07:23:24 -0700
    ...I use a Xantex digital volt/amp/amp-hour meter to monitor battery state of discharge. I have a Group 27 deep-cycle battery...
  • Re: Xantrex XM 1000 PRO + Batteries in Parallel
    Historical mailing list - Dennis Haynes
    Sun, 13 Jul 2008 09:30:13 -0400
    ...You really want to stay in the 2c range (discharge at 2 hour rate) > minimum and understand that deep cycle batteries are rated at...
  • Re: Auxilliary batteries
    Historical mailing list - Daryl Christensen
    Mon, 14 Mar 2011 19:04:33 -0700
    ...Starting, Deep Cycle, Stationary � Operates in wet environments�even under 30 feet of water � Will not freeze to �20�F/�30�C (if fully...
  • Re: Deep Cycle Batteries
    Historical mailing list - John Bange
    Sat, 4 Aug 2007 20:28:18 -0700
    ...But then I was worried about loading the starting battery with a discharged aux battery AND headlights, so I added a relay fired by...
  • Re: Battery Reserve Capacity Calculations - 2nd Posting
    Historical mailing list - Stan Wilder
    Fri, 11 Oct 2002 22:56:40 -0500
    ...Second, > the > lifetime (in charge-discharge cycles) of a lead-acid battery is > greatly > increased (factor up to five) by not discharging it below...
  • Re: auxiliary battery for 87 westfalia
    Historical mailing list - Davidson
    Thu, 13 Jan 2000 07:18:42 -0800
    ...the only way I know that you have to with the Optima is because I deep discharged it and measured the amps on starting...
  • Re: Optima d750-S vs. d750-U
    Historical mailing list - Todd Last
    Fri, 20 Aug 1999 21:34:07 -0700
    ...can anyone give me a ballpark estimate of how long the deep-cycle is > > > good for between charges? That is, if I go camping...
  • Re: testing capacity of house battery
    Historical mailing list - Dennis Haynes
    Mon, 1 Aug 2016 09:27:10 -0400
    Small (true) deep cycle batteries are rated at both a 5 and a 20 hour rate. These rates come up with somewhat different overall...
  • Re: alternator--voltage vs. amps
    Historical mailing list - Dennis Haynes
    Wed, 12 Nov 2008 23:35:44 -0500
    ...If the battery is deeply discharged, the only current limit during the bulk charge will be the alternator capacity and the resistance of the...
  • Re: Which Optima for starting battery?
    Historical mailing list - Stan Wilder
    Wed, 22 May 2002 16:52:42 -0500
    ...fact, will not last very > long if > repeatedly discharged below 50% capacity. In contrast, a deep cycle > battery > won't be damaged by repeated...
  • Re: Any solar gurus out there?
    Historical mailing list - Dennis Haynes
    Wed, 16 Aug 2006 06:58:16 -0400
    ...the odyssey docs, that will not bring the battery out of deep discharge. I guess that's when I'll start the engine. Which...
  • Re: Poor man battery testing
    Historical mailing list - Rocket J Squirrel
    Fri, 27 Jan 2012 14:24:38 -0800
    ...On 01/27/2012 06:42 AM, Dennis Haynes wrote: > Deep Cycle battery capacity load testing. Theory: Deep cycle > batteries need to be tested...
  • Re: 2nd Battery
    Historical mailing list - Pete O
    Mon, 11 Feb 2019 18:16:27 -0500
    ...Pete O On Mon, Feb 11, 2019 at 5:28 PM Karl Mullendore <tdiguru@westyventures.com> wrote: > You can deplete an AGM deep-cycle...
  • Re: Battery Relay for Aux. Battery.
    Historical mailing list
    Thu, 28 Nov 1996 14:10:24 +0200
    ...batteries is only for disconnecting it from the primary battery in that way, that the starter battery can not be discharged during camping. The...
  • Re: Just hibernating & a battery mystery
    Historical mailing list - Chris S.
    Wed, 25 Jan 2012 21:25:12 -0500
    ...This should mean that the battery > is so deeply discharged that it is damaged beyond recovery. > > I popped over to Sears and picked up...
  • Fwd: Car Battery FAQ
    Historical mailing list
    Wed, 28 Jun 1995 20:23:32 -0400
    ...Retest after deep discharges or jump starts, > > C. Recharge slowly at 14.6 volts, > > D. Buy the freshest and largest Reserve Capacity, non-sealed...
  • Re: water pump
    Historical mailing list
    Wed, 24 Aug 94 13:06:21 EDT
    ...One of those bolt holes was not tapped deep enough in the water pump, so the bolt bottomed out prior to doing its intended...
  • Re: Solar panels and curtains
    Historical mailing list - Michael Blackbun
    Tue, 6 Aug 2002 14:15:03 -0600
    ...The reason people put in second batteries is to have a deep cycle battery they can discharge, without fear of not being able to...
  • Re: Vitrifrigo: two corrections to my earlier post
    Historical mailing list - Al Knoll
    Mon, 3 Oct 2011 11:50:26 -0700
    ...High current batteries need more active surface to deliver the high rate of reaction that produces the energy, deep discharge/low rated current batteries...
  • Re: CDN Tire: Two 6 volt vs One 12 volt battery question
    Historical mailing list - Martin Jagersand
    Mon, 30 Jul 2007 22:23:49 -0600
    ...Another rule of thumb is to never discharge more than 80% of capacity. So a 100Ah battery should really only be used to 50Ah...
  • Re: Xantrex XM 1000 PRO + Batteries in Parallel
    Historical mailing list - M'obeechi
    Sat, 12 Jul 2008 19:48:52 -0700
    ...You really want to stay in the 2c range (discharge at 2 hour rate) > minimum and understand that deep cycle batteries are rated at...
  • Re: Radiator fan
    Historical mailing list - Dan N
    Sun, 6 Sep 2020 08:31:06 -0700
    ...I > > resorted to disconnecting the battery to shut it off and save the > > battery from deep discharge. > > > > > > > > Anyone want to weigh in on the...
  • Re: Alternator continuous-duty rating?
    Historical mailing list - David Beierl
    Sun, 23 Sep 2012 12:42:18 -0400
    ...Jack's looking at continuous output in terms of the alternator running flat out for several hours at a time, charging deep-cycle batteries...
  • Re: Deep Cycle Batteries
    Historical mailing list - Michael Elliott
    Sun, 29 Jul 2007 18:42:09 -0700
    ...Well within the max current draw capabilities of our East Penn (West Marine) group 27 even though it's not a high-quality deep...
  • Re: 2d Batteries
    Historical mailing list - Steve Schwenk
    Sat, 21 Oct 2000 22:39:31 -0700
    ...They claim it can sit fully discharged for a month and still be recharged and work. Still, like any battery, the deeper you drain...
  • Re: Poor man battery testing
    Historical mailing list - Dennis Haynes
    Fri, 27 Jan 2012 21:43:24 -0500
    ...On 01/27/2012 06:42 AM, Dennis Haynes wrote: > Deep Cycle battery capacity load testing. Theory: Deep cycle batteries > need to be tested...
  • Auxiliary batteries revisited (and goodbye)
    Historical mailing list - Stanley Pitman
    Sun, 30 Jul 2000 09:29:08 -0700
    ...Fast recharging of deeply discharged auxiliary batteries plus an aging starter battery can put a heavy load on an alternator, especially a 65 amp...
  • Re: Battery Woes/Choice
    Historical mailing list - Taeke
    Sun, 8 Jun 2008 06:37:36 -0400
    ...I read it would take something like 50 deep discharges before I killed the flooded battery, which will take me a while to do...
  • Re: Battery isolator question
    Historical mailing list - Dennis Haynes
    Thu, 31 Jul 2014 18:21:29 -0400
    ...Anyone been able to install the battery (deep discharge, >> Walmart standard serial warranty replacement, or golf cart), a smart >> isolator, and a charger under...
  • FYI: Battery Life
    Historical mailing list - Joel Walker
    Thu, 14 Mar 2002 23:45:34 -0600
    ...many thin plates for relatively fewer, thicker plates that better withstand deep discharges. To make up for their lack of electrical punch, such batteries...
  • Battery FAQ ...
    Historical mailing list - Joel Walker
    Sun, 14 Apr 96 23:04:13 CDT
    ...Retest after deep discharges or jump starts, C. Recharge slowly at 14.6 volts, D. Buy the freshest and largest Reserve Capacity, non-sealed...
  • Re: 4 Batteries
    Historical mailing list - Dennis Haynes
    Fri, 16 May 2008 23:31:33 -0400
    http://www.trojanbattery.com/pdf/DeepCycleMaintenance.pdf -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Mike Sent: Friday...
  • Re: Vitrifrigo: two corrections to my earlier post
    Historical mailing list - Rocket J Squirrel
    Tue, 4 Oct 2011 05:29:31 -0700
    ...discharge/care requirements. What I learned this week is that my practice of slowly re-charging that Trojan non-sealed lead-acid deep-cycle...
  • Re: Battery Woes/Choice
    Historical mailing list - Frank Condelli
    Fri, 23 May 2008 05:09:52 EDT
    ...So, suggestions for a good battery to buy, whether it be a simple flooded style that would not be deeply discharged or go with...
  • Onboard Battery Charger Sizing (Was: Oops.....)
    Historical mailing list - neil n
    Tue, 23 Jul 2013 09:54:35 -0700
    ...Granted this is a 100 AH battery discharged to 11.15 Volts. Thankfully the battery charged up to 13.2 Volts overnight and charger...
  • Re:Speaking of batteries...
    Historical mailing list - Jack Reed
    Fri, 21 Apr 1995 20:22:13 -0600 (MDT)
    ...It was put out, as mentioned previously, by an alternative energy BBS and specifically relates to the type of deep cycle batteries used in...
  • Re: Why AGM batts don't last as long as they should
    Historical mailing list - Stuart MacMillan
    Thu, 12 Jun 2008 21:54:33 -0700
    ...discharged AGM, and most alternators put out about 13 to 13.7 volts, depending on load, which is fine for flooded standard and deep...
  • Re: new series 48 Odyssey battery
    Historical mailing list - Richard DIXON
    Thu, 16 Sep 2010 01:32:27 +0000
    ...the driver's seat, knowing that they are not designed for deep discharge and taking advantage of the warrantee. After only one year, my...
  • Re: 2nd battery...an alternative??
    Historical mailing list - Davidson
    Mon, 5 Apr 1999 14:45:00 -0700
    ...if this battery you propose has the same amp hour capacity as the Optima and you deeply discharge it... you could be looking at...