Battery Requirements
#1
10-22-2009, 11:53 AM
Battery Requirements
1990 240DL
For 6 months each year (May - Oct), the Volvo sits in the garage; during the summer I use my VW Vanagon. In November, the Vanagon goes in the garage and the Volvo comes out.
So I always have one vehicle garaged and its battery not being used.
Just about time to do this switch, but the Volvo battery is dead; not surprising given it is 7+ years old. The though occurred to me - why not share one battery between the 2 vehicles.
Yes, they are 2 different group sizes (Vanagon is Group 41, Volvo is Group 47), but it looks like the Van battery will fit in the Volvo - the width is the same, the van battery length is 11.5" vs. 9 5/8", but the Volvo battery platform is 12" long, and the Van height is 3/8" less (no issue).
The battery CCA and CA data is:
Volvo (old DEAD battery) - Deka, 750 CCA, 600 CA
Van (good battery) - Interstate, 540 CCA, 675 CA
Volvo (a new Interstate battery if I buy one) - 590 CCA, 740 CA
I did not see anything in the Bentley manual for recommended CCA or CA levels.
So any reason not to just use the Vanagon battery and share it between the 2 vehicles?
thanks!
For 6 months each year (May - Oct), the Volvo sits in the garage; during the summer I use my VW Vanagon. In November, the Vanagon goes in the garage and the Volvo comes out.
So I always have one vehicle garaged and its battery not being used.
Just about time to do this switch, but the Volvo battery is dead; not surprising given it is 7+ years old. The though occurred to me - why not share one battery between the 2 vehicles.
Yes, they are 2 different group sizes (Vanagon is Group 41, Volvo is Group 47), but it looks like the Van battery will fit in the Volvo - the width is the same, the van battery length is 11.5" vs. 9 5/8", but the Volvo battery platform is 12" long, and the Van height is 3/8" less (no issue).
The battery CCA and CA data is:
Volvo (old DEAD battery) - Deka, 750 CCA, 600 CA
Van (good battery) - Interstate, 540 CCA, 675 CA
Volvo (a new Interstate battery if I buy one) - 590 CCA, 740 CA
I did not see anything in the Bentley manual for recommended CCA or CA levels.
So any reason not to just use the Vanagon battery and share it between the 2 vehicles?
thanks!
#3
10-22-2009, 06:53 PM
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#4
11-04-2009, 02:10 PM
Well it did not work.
The Vanagon battery (Group 41) has a larger lip around the base, so the side of the battery will not go under the overhang that holds the battery in the plastic battery base holder. So while I was able to attach the Vanagon battery, turn the car over, and turn the car around so I can work on it, it obviously could not be drive like this.
Time for a new Volvo battery (Group 47).
But a more important follow-up question. A few weeks ago, I got the "dead" Volvo battery jump started, and let the car run hoping to see if the battery would recharge from the alternator. The car ran for about 20 minutes, and then just stopped. It would not restart again (obviously due to the "yes it's dead" battery).
Why did it stop running after 20 minutes? Did my letting it run like possibly kill my alternator?
Signed,
Learning something new every day.
The Vanagon battery (Group 41) has a larger lip around the base, so the side of the battery will not go under the overhang that holds the battery in the plastic battery base holder. So while I was able to attach the Vanagon battery, turn the car over, and turn the car around so I can work on it, it obviously could not be drive like this.
Time for a new Volvo battery (Group 47).
But a more important follow-up question. A few weeks ago, I got the "dead" Volvo battery jump started, and let the car run hoping to see if the battery would recharge from the alternator. The car ran for about 20 minutes, and then just stopped. It would not restart again (obviously due to the "yes it's dead" battery).
Why did it stop running after 20 minutes? Did my letting it run like possibly kill my alternator?
Signed,
Learning something new every day.
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