Re: Expected battery life? - Saab 9-5 Bulletin Board - Saabnet.com
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Re: Expected battery life?
Posted by Richard Scott (more from Richard Scott) on Mon, 3 Jan 2011 12:24:05
In Reply to: Re: Expected battery life?, Wisaabi, Sun, 2 Jan 2011 20:32:24
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Besides temperature, a couple other factors affecting battery life include cycles and how long it sat discharged or nearly discharged.
Cycles: How far do you drive after each startup? A couple miles or less? 40K miles at 2 or 3 miles per trip will give a much shorter life than 40K at 10 miles per trip.
My opinion regarding the short life of original Saab batteries is how long they sit at the dealer before the car is sold. Many of them sit a very long time--mine sat from April until September. Batteries discharge at a rate of about 10% per month just sitting there with no load of any kind--no clocks running, etc. A lead acid battery will last indefinitely if maintained at a full charge and won't last long at all if discharged or often hits a low charge level.
So if your mileage has come through a lot of short trips, especially starting the car in Minnesota winters or if the car was bought new several months after it was built, I would expect a short battery life.
posted by 216.155.214...
Posts in this Thread:
- Expected battery life?, Wil W , Sun, 2 Jan 2011 19:29:39
- 3-4 years, Aero'ed, Tue, 4 Jan 2011 09:12:06
- Re: Expected battery life?, MikeN, Mon, 3 Jan 2011 09:12:07
- Re: Expected battery life?, Dean, Mon, 3 Jan 2011 08:25:16
- Re: Expected battery life?, Larry West , Mon, 3 Jan 2011 07:00:06
- Re: Expected battery life?, Wisaabi, Sun, 2 Jan 2011 20:32:24
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