I wanted to share an experiment I tried because it might help others who are frustrated with short battery life in Sharjah summers. I have a 2014 Honda CRV and I was replacing my battery every 18 months like clockwork. I read online that extreme under hood temperatures can boil the electrolyte inside batteries and accelerate internal corrosion. Someone suggested buying a thermal heat shield or battery wrap, the kind that looks like a silver blanket that goes around the battery. I was skeptical but I found one online for about 60 dirhams and decided to try it. I installed it when I bought a new battery about 14 months ago. Now, 14 months later, my battery is still going strong. The car starts instantly every morning, even on the hottest days. I don't know if the heat shield is the reason or if I just got lucky with a good battery this time. But I've been reading tips to avoid battery failure in summer and many sources say that keeping the battery cooler can significantly extend its life click here
nolcardcheck.ae/why-battery-keeps-dying-summer-sharjah. The shield reflects radiant heat from the engine and exhaust manifold away from the battery. Has anyone else tried a battery heat shield? What was your experience? Did it help or was it a waste of money? I'm tempted to recommend this to everyone but I don't want to give bad advice if it was just coincidence. One thing I noticed is that when I touch the outside of the heat shield after driving, it's hot, but when I lift it and touch the battery itself, the battery feels much cooler than the surrounding engine parts. So I think it might actually be working. But I'm not a scientist or a mechanic. I'm just a regular guy trying to save money on batteries. If you've tried a heat shield, please share whether it helped you or not. Also, are there any risks to wrapping a battery? Could it trap heat instead of reflecting it if installed incorrectly? I want to learn from others before I confidently tell my friends to do the same thing. Please share your real experiences, good or bad.