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Date:         Tue, 1 May 2012 15:19:41 -0400
Reply-To:     Kim Brennan <kimbrennan@MAC.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Kim Brennan <kimbrennan@MAC.COM>
Subject:      Re: Another Monster Battery Option For Stock Locations
Comments: To: Derek Drew <derekdrew@DEREKMAIL.COM>
In-Reply-To:  <4fa015ed.88d5e00a.118c.6274@mx.google.com>
Content-type: text/plain; CHARSET=US-ASCII

I definitely agree on the marine wiring. I hate finding corrode wiring issues.

On May 1, 2012, at 12:53 PM, Derek Drew wrote:

> I chimed into the thread at > http://www.thesamba.com/vw/forum/viewtopic.php?p=6013002#6013002 the > following information. > > I am probably among the first to have fit such massively long-lasting > and powerful batteries into the front two underseat locations so I am > passing it along that it can be done: > > Derek wrote, in the thread: > > I installed under the drivers seat the Sears Platinum deep cycle > PC31, group size 31, similar in size to Odyssey PC 2150. This battery > has 205 Reserve Capacity, unlike the group size 65 / PC1750 > batteries, which have more like 135 reserve capacity. The group size > 31 also beats the group size 65 with 100amp hours vs. 68 amp hours > for the Group 65. The front seat still swivels. The battery sticks up > higher than it normally would, but is hidden behind the grey rug. In > order to do this installation, you have to trim the corner of the > seat swivel (which doesn't look bad) and also trim some metal from > the area under the driver's seat. Would I do it again? Yes. > > The battery under the drivers seat is Sears Item# 02850131000 Model# PM-1. > > Under the passenger seat, I am using the Sears group 65 size, the > same one discussed in this thread, but I did not lay it on its side. > > And yes, you ideally should to upgrade your voltage regulator, > preferably to a 3-stage regulator, not a simple fixed voltage type. > For the actual specs to use, see the technical documentation for the > Odyssey even if you are using a Sears battery since the charging > voltages called for at various stages are very specific. I was able > to program the exact 3-stage charging algorithm into my onboard > Prosine 2.0 Inverter/Charger, but have not yet determined how to > upgrade the alternator/regulator of my subaru 3.0L engine. > > ------------------- > > All of the batteries discussed here utterly destroy the capacity of > the group 41 batteries that were original to these locations. > > Because of the demands of the Inverter and the winch and warnings in > the inverter instruction manual, I decided to use 250MCM size wires, > (roughly 5/0 ["five aught"] size wire). > > The factory OEM wire showed black discoloration corrosion inside the > jacket, so for the new wire I got marine grade tinned wire so it > would not happen again. > > > _______________________________________________ > Derek Drew > Washington DC / New York > derekdrew@derekmail.com > Email is best normally but... > PHONE: 202-966-7907 (Call the number at left normally) > (alt/cell for diligent calling only): 703-408-1532


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