OEM battery specs
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Driver School Candidate
Join Date: Feb 2014
Location: ma
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fifth time battery failed in IS250
Our 2010 IS 250 with only 7000 miles has had its battery fail while sitting in our driveway, five times since new. We did learn that the driving light switch should be left in automatic. We have been doing that! Last week we returned from a two week vacation and the car was dead. The company contracted by Lexus reported that the voltage read 1.8volts. Their test also showed that the battery, less than a year and a half old was beyond rejuvenation. The car now sits at Lexus Watertown. We have been told that we don't drive it enough and that we should have a trickle charger installed. There is no way to judge the capacity of the battery or know what the amperage draw is when the car sits for a few weeks. Some people have suggested that the car should have an AGM battery. I have over $2000 worth of Lifeline AGMs on our boat and they are the correct battery for a sailboat that has all the right charging equipment. I would never use an AGM battery for a car that was being driven limited miles. I would like to know what kind of battery is the OEM battery in our car and what is its amp hour capacity. I would also like to know the specs on alternator to include its output curve. I'm told that there is equipment in the vehicle that never sleeps .I would like to know what that amperage draw is. draw is.
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