for your 84 I'd think you need a battery separator.. something similar to
this one..

https://us.amazon.com/Sure-Power-1314A-Battery-Separator/dp/B00T3724V4

On Sun, Apr 30, 2023 at 11:08 AM Eric Caron <ericcaron96@comcast.net> wrote:

> Perfect,
>
>         It is a great unit.  That was a excellent upgrade on your part.
>
> I had thought for some reason they had updated it, but it sounds like it
> still does everything I need it to do.
>         I will need to leave at least one van outside in the cold in the
> winter and will feel better with this unit running.
>
> My only concern about the 84 set up is that the house battery currently is
> two batteries wired together and charging from the alternator.
>
> Eric
>
>
> > On Apr 30, 2023, at 1:13 PM, Dennis Haynes <d23haynes57@hotmail.com>
> wrote:
> >
> > The 7605 is the 120 volt AC, with 10A charger and 60A auto relay. This
> is the one that you have.
> > It has not changed over the years.
> >
> > Dennis
> >
> >
> > From: Eric Caron <ericcaron96@comcast.net <mailto:
> ericcaron96@comcast.net>>
> > Sent: Sunday, April 30, 2023 12:39 PM
> > To: Dennis Haynes <d23haynes57@hotmail.com <mailto:
> d23haynes57@hotmail.com>>
> > Cc: Vanagon List <vanagon@GERRY.VANAGON.COM <mailto:
> vanagon@GERRY.VANAGON.COM>>
> > Subject: Re: Electrical charging options?
> >
> > Is this the same one on Amazon?
> >
> >
> https://www.amazon.com/gp/product/B01BV1MSTM/ref=ewc_pr_img_1?smid=A30X6C7XOKV1O1&th=1
> <
> https://www.amazon.com/gp/product/B01BV1MSTM/ref=ewc_pr_img_1?smid=A30X6C7XOKV1O1&th=1
> >
> >
> > Eric
> >
> >
> > On Apr 30, 2023, at 11:56 AM, Dennis Haynes <d23haynes57@hotmail.com
> <mailto:d23haynes57@hotmail.com>> wrote:
> >
> > 10A BatteryLink® Charger (North America) - Blue Sea Systems <
> https://www.bluesea.com/products/7605/BatteryLink_Charger>
> >
> > Dennis
> >
> >
> >
> > From: Eric Caron <ericcaron96@comcast.net <mailto:
> ericcaron96@comcast.net>>
> > Sent: Sunday, April 30, 2023 11:50 AM
> > To: Dennis Haynes <d23haynes57@hotmail.com <mailto:
> d23haynes57@hotmail.com>>
> > Cc: Vanagon List <vanagon@GERRY.VANAGON.COM <mailto:
> vanagon@GERRY.VANAGON.COM>>
> > Subject: Re: Electrical charging options?
> >
> > This is why I rely so much on this list and Dennis,
> >
> > Anyone got the link to the correct most up to date unit?
> >
> > It sounds like what I want.  And this choice is still working perfectly
> in my 85.
> >
> > ERic
> >
> >
> >
> > On Apr 30, 2023, at 11:45 AM, Dennis Haynes <d23haynes57@hotmail.com
> <mailto:d23haynes57@hotmail.com>> wrote:
> >
> > The link for this is for the 240 volt version.
> > For those curious this charger also includes the battery
> combiner/isolator relay for supporting 2 battery installations. This makes
> for a simplified installation, one device for shore power and alternator
> charging. Also, when shore power is provided the chassis battery gets
> charged first and then the house (aux) battery gets connected as voltage
> rises. It is also available in a 20AH version. For a marine device it is
> surprising that this does not a have "low voltage" interlock. If a battery
> set is drained too low it will still try to charge. A service warning if
> you disconnect a battery this will still connect both if the either bank is
> getting charged from any source.
> >
> > While not rated for Lithium type batteries it will work. As it doesn't
> have a low voltage lock out it will also try to charge even when the
> battery BMS cuts out.
> >
> > There are many lithium battery choices even in the smaller sizes and
> pricing is becoming competitive with sealed or gelled AGM. However they
> really work best with dedicated charging systems and smart controllers if
> alternator charging is to be used. For the Class B RV's that I see if
> lithium house batteries are being used engine alternator charging is not
> provided, shore power (plug in) or solar only. I have also seen an
> additional alternator added for the house batteries only. These systems
> tend be very large, designed to replace the need for a generator. Able to
> run air conditioning (heat pump), 2 burner electric stove and an electric
> water heater. These systems are going to become more popular as propane
> gets further restricted along with the use of gasoline or Diesel
> generators. The RV industry has been working away from propane for many
> years for the larger rigs.
> >
> > Dennis
> >
> >
> > -----Original Message-----
> > From: Vanagon Mailing List <vanagon@gerry.vanagon.com <mailto:
> vanagon@gerry.vanagon.com>> On Behalf Of Eric Caron
> > Sent: Saturday, April 29, 2023 8:47 PM
> > To: vanagon@GERRY.VANAGON.COM <mailto:vanagon@GERRY.VANAGON.COM>
> > Subject: Electrical charging options?
> >
> > Hi folks,
> >
> >        several years ago Dennis installed a Blue Sea Battery Link
> charger in my 85.  It serves me very well.
> >
> > I'm interested in a similar option for my 84 so that batteries can be
> kept healthy.
> >
> > I think it is likely they have a newer model and possibly more options.
> >
> > I also don't know if there is one that also charges likely future
> lithium batteries.
> >
> > But, also a solid more basic unit is worth considering.
> >
> > What are you folks using these days?  Or more importantly, what would
> you purchase if installing something today?
> >
> > Here is the unit in my 85 from around 2018.
> >
> > Eric Caron
> > Blue Sea Systems
> > Batterylink
> > 10A Charger
> > 12V DC
> >
> > https://a.co/d/fpx2jVh <https://a.co/d/fpx2jVh> <https://a.co/d/fpx2jVh
> <https://a.co/d/fpx2jVh>>
>