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Date:         Tue, 20 Jun 2006 11:14:28 -0400
Reply-To:     dhaynes@OPTONLINE.NET
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Dennis Haynes <dhaynes@OPTONLINE.NET>
Subject:      Re: Correction on fan amperage
Comments: To: Jim Felder <felder@KNOLOGY.NET>
In-Reply-To:  <9D1008B3-DD47-496E-A998-9CC7455C9766@knology.net>
Content-type: text/plain; charset=us-ascii


A .8 amp/hour load at 120 volts will reqiure more than 8 amp/hours at 12 volts. Since you do not run a battery below a 20% state of charge you theoretically need at least a 100 A/H battery to support this load for 10 hours.


Dennis


----- Original Message -----
From: Jim Felder <felder@KNOLOGY.NET>
Date: Tuesday, June 20, 2006 10:42 am
Subject: Correction on fan amperage


> I just asked a question about battery capacity for driving a box fan
> overnight. The fan motor draws .8 amp, not the .5 I originally stated.
>
> Thanks,
>
> Jim
>
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