Re: [Chrysler300] Battery Choices

[cotejohnr@xxxxxxx]

 Well put Bob. The bottom line is to have the electrical system functioning as designed..........regardless of battery.
John



 


 

-----Original Message-----
From: Bob Jasinski <rpjasin@xxxxxxxxxxx>
To: Chrysler300@xxxxxxxxxxxxxxx
Sent: Sun, 26 Aug 2007 2:41 pm
Subject: RE: [Chrysler300] Battery Choices


















  



    

            
Driving for extended periods with high voltage going to the conventional wet

cell (flooded) battery or a sealed AGM (absorbed glass mat like Optima) or

gel cell type will cause problems regardless of type.  The wet battery will

boil over and cause acid damage but not necessarily kill the battery as they

are more forgiving.  If you do the same with a sealed battery, you will dry

it out and it will become scrap.  

 

Chrysler put ammeters on our instrument panels for a reason, you need to

keep an eye on it.  If the gauge indicates excessive charging, look into why

that is happening.  If the car has sat for an extended period, and the

battery is low, high output is expected.  If, however, after adequate time

has passed once the engine is running, and the ammeter is still reading

high, your voltage regulator is probably not maintaining the desired

voltage, which is about 13.5 to 14.8 volts.  If you go above that, you will

have problems.  

 

Running the headlights won't fix the problem but it may slow down the damage

to the battery because some of the current will be flowing through the

lights and not the battery.  The higher the amperage output of the

alternator, the less running the lights will help.  Best bet is to get the

voltage regulator replaced.  Check the charging voltage at the battery with

a digital volt meter and that will tell the story.  Look for 13.5 to 14.8,

no more, no less.  Too low, and the battery won't get charged, too high, and

you will dry it out.

 

Bob J

 

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