invertedspear
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- Antimatter Blue XLT (312A) ER, 2004 Jeep TJ
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It was mentioned in another thread, but I wanted to share my test. If you didn't know, Summer decided it wanted round two in Phoenix, so despite some cool days a few weeks ago, the last few days have been in the 110s, so I was able to test it out.
If my battery temp is over the mid-line, driving in normal or sport will take hours, if ever, to cool it down. Switching into tow/haul will get it back to mid-line in about 15 minutes.
I wish I knew this all summer since we know heat is slowly killing our batteries and I intend to make this last as long as possible. Oh well, for next year I guess. When I got in the truck to run some errands, my battery temp was as high as you would expect when your car registers 133F on the thermometer when you first get in, but it was back to the middle in 12 minutes.
If my battery temp is over the mid-line, driving in normal or sport will take hours, if ever, to cool it down. Switching into tow/haul will get it back to mid-line in about 15 minutes.
I wish I knew this all summer since we know heat is slowly killing our batteries and I intend to make this last as long as possible. Oh well, for next year I guess. When I got in the truck to run some errands, my battery temp was as high as you would expect when your car registers 133F on the thermometer when you first get in, but it was back to the middle in 12 minutes.
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