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Date:         Wed, 21 Nov 2012 00:37:40 -0500
Reply-To:     Dennis Haynes <d23haynes57@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dennis Haynes <d23haynes57@HOTMAIL.COM>
Subject:      Re: Help with sealed lead batteries
Comments: To: Harry Hoffman <hhoffman@IP-SOLUTIONS.NET>
In-Reply-To:  <50AC28C0.9020804@ip-solutions.net>
Content-Type: text/plain; charset="US-ASCII"

So 8 of those batteries together may yield 40 A/H of capacity. A standard group 41 gives 60-65 A/H. So except that they may be free I don't see how this is any type of upgrade. And have getting them all connected together. Does the UPS work? Let it charge them. If one is open you will be able to find it with a voltmeter.

Dennis

-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Harry Hoffman Sent: Tuesday, November 20, 2012 8:05 PM To: vanagon@GERRY.VANAGON.COM Subject: Help with sealed lead batteries

Hi All,

So, in my never-ending upgrade spree of my vanagon I've come across a UPS with 8 of these batteries in series:

http://bit.ly/QtprbR

It seems like the batteries might be dead and I'm thinking about charging them to see if they will hold a charge. I'm not sure how to go about charging them.

Should I disconnect everything and charge one by one or can I charge in series?

Anyone have any experience with this?

They were hooked up to a UPS with a 240V 20A input so there's some electronics that reside before the 1st set of batteries. Can I just disconnect that and charge them with a 2A trickle charger?

I'm googling while I write this but I figured some of you might know.

TIA!

Cheers, Harry


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