Can a car cause a battery to go bad? - Saab 9-5 Bulletin Board - Saabnet.com
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Can a car cause a battery to go bad?
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Posted by Jeff S. [Email] (more from Jeff S.) on Thu, 22 Feb 2007 18:59:35 Share Post by Email
In Reply to: I'm on my 3rd battery in 5 years, Pete Saab 9-5, Thu, 22 Feb 2007 18:18:58
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I thought batteries had a finite number of cycles in their life - largely dependent on how they are cared for.
Different application, though similar? I have a large cruising boat with a bank of 2 group 27's (for starting the main engines and running pumps), 2 group 29's (for high current draw 12V devices (bow thruster and windlass) and 2 group 31's (for the inverter system). Boaters have to take incredible care of their batteries due to the investment. As I understand it, only 2 things can really shorten a battery's life - discharge too low or get too hot (ambient environmental or by charging to quickly). My mains last about 4 years, the 29's last 1-2 years because of the current draw rate, and the 31's are 7 years old now.

Can either heat or draw be causing these 9.5's to eat batteries way faster than normal?

Here's a link to a site that I use for proper loading and maintenance info. Maybe it'll give you some info? http://newmarket.cps-ecp.org/battery_maintenance.htm

posted by 65.31.10...

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