[C320-list] Battery Isolation

[Crashley]

OD,

None taken. I was kidding too.

Rosebud #882

Sent from Chris Ashley's iPhone
Voice and text: (424) 634-0838

On Apr 17, 2009, at 8:36 AM, Orlando.Duran at AveryDennison.com wrote:

> No offense! My previous was tongue in cheek...
> ----------------------------------
> Regards,
> OD
>
> Sent from my BlackBerry Wireless Handheld
>
>
> ----- Original Message -----
> From:  [crashley at gte.net]
> Sent: 04/17/2009 07:00 AM MST
> To: <C320-List at Catalina320.com>
> Subject: Re: [C320-list] Battery Isolation
>
>
>
> At the risk of offending Orlando again, I'll take a crack at this.  
> When you
> turn the charger on into an open circuited or discharged house  
> battery, it
> takes a little while (several seconds) for the battery voltage to  
> climb up
> to the initial charging voltage which should be about 14..4V. This  
> delay is
> because the battery looks like a large capacitor. The ACR has a time  
> delay
> in it so when it senses that the house battery voltage is 13.5V (or  
> higher)
> the timer starts and 30 seconds or so later the relay closes. At  
> this point
> the house battery is at 14.4V and the starting battery is at 12.7V  
> (open
> circuit voltage) so it will start charging too. I think the only  
> possible
> issue here is that if the house battery is a lot larger than the  
> starter
> battery, which is normally the case, the starter battery will see a  
> longer
> "absorb" charge time than it needs, but I don't think this is a big  
> problem.