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Date:   Tue, 23 Jul 2013 09:54:35 -0700
Reply-To:   neil n <musomuso@GMAIL.COM>
Sender:   Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:   neil n <musomuso@GMAIL.COM>
Subject:   Onboard Battery Charger Sizing (Was: Oops.....)
Content-Type:   text/plain; charset=ISO-8859-1

Interesting to note that. Thanks Stuart.

Ya I shoulda done the charger back draw math beforehand. ;)

I will say that I was so used to my old higher Amp charger, that charging my group 27 with my onboard 7.2 Amp charger, seemed quite slow. Granted this is a 100 AH battery discharged to 11.15 Volts. Thankfully the battery charged up to 13.2 Volts overnight and charger shows it as "100%" charged. (then again, I'm sure I shortened the life of this battery!)

The Genius charger I bought was relatively pricey. That said, I should have paid more for a 10 Amp or higher charger. I can see times where one might be off grid for a few days and need to charge a battery(s) in a relatively short period of time.

My point: consider "worst case scenario" charge time required when sizing up your aux. battery etc. design.

Neil.

On Mon, Jul 22, 2013 at 8:23 PM, Stuart MacMillan <stuartmacm@gmail.com> wrote:

> Just a little diode leakage, nothing to worry about. The EVC has a built in > charger you can't even access without taking half the cabinets out. I just > always plugged in the van when I got home, and the Trojan deep cycle from > the Winnebago factory was 10 years old and still fine when I sold it. > > Stuart > > -----Original Message----- > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of > neil n > Sent: Monday, July 22, 2013 6:11 PM > To: vanagon@GERRY.VANAGON.COM > Subject: Oops. (Auxiliary Battery, DC Fridge) > > ..... during my last trip and disconnected the charger > from the fridge battery. Clever me. Well guess who forgot to > re-connect it before hooking up to shore power when I got home? >

> Battery got down to 11.15 Volts

-- Neil n

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