Hi all, apparently some cars, and more newer cars come with battery heat shields: a casing to protect the battery from the engine heat: [image] Is that truly useful? DIY possible? –> 6mm thick Aluminum foil + Muffler Cotton Car Indoor Heat Sound Deadening Insulation Soundproof Dampening Mat: […

The indoor in the description leads me to believe that product would not hold up against weather. You are right about heat killing batteries, I live bear the US/Canada border and my Camry’s battery is over 8 years old and the one in my daughters Corolla is 10 years old.

The Checker company that made taxicabs put the battery in a compartment in the trunk to keep the battery away from engine heat.

Its main effect is to slow down or reduce the heating up and cooling down of the battery. Given enough hours of engine heat on hot day, or of extreme cold while sitting, the battery will reach the high underhood temps or the cold ambient temps. The slowing of that rate of change helps prevent intern…

The aluminum reflects heat so… that is a good thing. You have already stepped up to an Optima battery, if that is your car. The Optima, per a tow truck operator in Florida USA (hot, 40 degree C hot), holds up very well in the heat. The insulation should help and that is why many cars come with them …

My 1950 Chevrolet pickup truck had the battery under the passenger side floorboard. There was an access plate to lift up to service the battery. The location kept the battery away from the engine heat. However, I think the real reason was that it put the battery close to the starter. On that tru…

The battery in Miatas is in the trunk, supposed to be to help balance weight distribution. Maybe so, but the side effect is that it is far from any heat source. Mine lasted 17 years.

big thanks for all the replies! no, that’s not my car, this is mine: [P00228-185715_s] so right side of hood compartment, the air duct is covering it a bit. and plan to use this material, stick it around the sides and bottom of the battery as a heat shield: [Battery heat shield - Lazada mater…

[image] nsr.honda_158117: Features: *Perfect for door, chassis, tail box, etc Specifications: *Recommended Install Temperature: -10 ~ +60 degrees Celsius It doesn’t say anything about under hood, And the MAX recommended temp is only +60 Celsius/140 Fahrenheit.

Car battery Heat shield

Maintenance/Repairs

old_mopar_guy March 2, 2020, 2:06pm 4

You have it backwards. The blanket is there to keep engine heat away from the battery and thus keep the battery cooler.

Topic		Replies	Views
Battery shield Maintenance/Repairs	33	15135	January 17, 2018
Car struggles to start after having accessories on for 20 minutes Maintenance/Repairs nissan , altima	46	13659	December 4, 2021
What is the longest life you've gotten out of a car battery? General Discussion	98	78995	June 10, 2019
Northern MN -40 degrees wind chill /No Start / where do I install the battery heater? Maintenance/Repairs	37	3208	January 14, 2015
DIY Battery insulation Maintenance/Repairs	10	29129	January 5, 2008

Car battery Heat shield

Related topics