Can Heat Cause Car Battery Die. This causes battery fluid to evaporate which damages the batterys internal structure. When a battery is that weak even your interior lights become a.
Heat more than cold shortens battery life. When most motorists think of dead batteries that cause starting failure they think of severe winter weather but summer heat is the real culprit says Rich White executive director of the Car Care Council. But if your battery is older intense cold or heat could weaken its performance or even cause it to die completely.
If your car battery dies after sitting a few days it could be a result of different reasons.
If an alternators voltage regulator is beginning to fail or has failed the alternator can begin to send too much voltage back to the battery which in turn causes the battery to overheat. Your battery will drain faster when its connected to your vehicle than when its disconnected. If your battery cables are loosely connected to the battery terminals all that electricity wont be. No matter where you live in the US you probably cant avoid extremely high or low temperatures at certain points in the year.
