2004 XJR Battery
#1
#2
![Default](/forum/images/icons/icon1.gif)
The recommended battery is a Calcium type. (though AGM will work, why not buy the recommended type?)
There is a difference in alternator output voltage. XJ is designed for Calcium. Although, because the alternator only outputs max voltage for 5mins and then switches back to 13.something, sure an AGM would be OK from this aspect.
There is a difference in alternator output voltage. XJ is designed for Calcium. Although, because the alternator only outputs max voltage for 5mins and then switches back to 13.something, sure an AGM would be OK from this aspect.
Last edited by ChrisMills; 07-09-2019 at 07:00 PM.
#6
![Default](/forum/images/icons/icon1.gif)
swac101300;
Batteries has been a lively topic amongst Jag owners. If you are interested in technical detail there was a recent thread "Still available?? Exide Global Extreme" that delves a little into battery lead alloys and charging voltages. My take on the dialogue is almost any battery will work for some amount of time. The greater unknown is reliability. I still have not seen hard data comparing calcium alloy to silver-calcium alloy reliability as a function of charging voltage.
I was able to purchase a Bosch S5 from my indy…… silver-calcium. Happy Hunting!
Best Regards, William
Batteries has been a lively topic amongst Jag owners. If you are interested in technical detail there was a recent thread "Still available?? Exide Global Extreme" that delves a little into battery lead alloys and charging voltages. My take on the dialogue is almost any battery will work for some amount of time. The greater unknown is reliability. I still have not seen hard data comparing calcium alloy to silver-calcium alloy reliability as a function of charging voltage.
I was able to purchase a Bosch S5 from my indy…… silver-calcium. Happy Hunting!
Best Regards, William
#7
Trending Topics
Thread
Thread Starter
Forum
Replies
Last Post
Lagonia
XJ XJ6 / XJ8 / XJR ( X350 & X358 )
5
12-12-2017 06:01 PM
MikeyB's
XJ XJ6 / XJ8 / XJR ( X350 & X358 )
14
10-03-2016 10:37 AM
Lagonia
XJ XJ6 / XJ8 / XJR ( X350 & X358 )
1
11-19-2013 02:09 PM
Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)