2009 TL Needs a battery
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10th Gear
#5
Senior Moderator
Bosch AGM from pepboys, was the cheapest AGM battery and has a great warranty. Don't forget to use coupon codes and save money with buy online and pickup in store.
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Unless the 4G TL was designed to tolerate the idiosyncrasies of AGM batteries, I would stick with conventional "wet" batteries.
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#9
Intermediate
What are the idiosyncrasies of an AGM battery? I purchased the Advance Auto Parts Autocraft Platinum with a coupon to save a few bucks. I have solid 3 year warranty and 710 CCA.
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Google is your friend.
In short, AGM batteries are prone to overchanging which causes chemical degradation. They have some spare chemicals built in to replace what is lost from overcharging, but that only goes so far. For cars with charging systems designed to be AGM aware, the stop charging once the battery is fully charged, for older cars they do not. For folks with older cars, if you make lots of short trips, AGM batteries can provide a fair amount of service, for those of us with older cars and make exclusively medium to long trips, AGM batteries are not a good idea.
In short, AGM batteries are prone to overchanging which causes chemical degradation. They have some spare chemicals built in to replace what is lost from overcharging, but that only goes so far. For cars with charging systems designed to be AGM aware, the stop charging once the battery is fully charged, for older cars they do not. For folks with older cars, if you make lots of short trips, AGM batteries can provide a fair amount of service, for those of us with older cars and make exclusively medium to long trips, AGM batteries are not a good idea.
#11
Burning Brakes
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Odyssey extreme battery 34R-PC1500T awesome - 3 years zero issue multiple -30F starts with 2 Amp and cams
#12
Advanced
Napa auto parts legend battery. I used to be a generator technician for 10 years, we always used these batteries. They VERY rarely failed. Always had good luck with them.
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MrHeeltoe
2G TSX (2009-2014)
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11-22-2015 10:53 AM