How High Temps and Low Temps Affect Your Battery

Most of us at one time or another will experience battery trouble with a vehicle.

Nine times out of ten, that trouble will happen on a day that is either extremely cold or extremely hot. Temperature extremes can have a negative impact on battery performance in many different applications. This is because lead-acid batteries generate power through a chemical reaction process. Chemical reactions are sensitive to temperature and humidity among other factors.

The reaction taking place inside your car battery can be simplified as the transfer of ions between lead and lead dioxide plates immersed in strong sulfuric acid. As you could imagine, this transfer is slowed by extremely low temperatures, making the chemical reaction, and subsequently the generation of electricity, less efficient.

Extremely high temperatures have the opposite effect on the chemical reaction, but with similar results. Extremely high temperatures result in overly excited ions that have trouble effectively transferring within the battery cell. These results require very high and very low temperatures to have a negative impact on a good battery, but a battery that is already degraded may be impacted at less extreme temperatures.

Don't be caught with a dead battery. Consult the experts at Loving Honda for questions about your battery's health.

 

 

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