The battery is the sole starting point of a car and its condition is responsible for whether we can start a vehicle. Well hidden in the engine compartment is what gives the first energy to our vehicle. When the weather is hot it works without problems. However, when the conditions are wintery, then the cold can affect it, increasing the probability of its failure.
Inside an acid lead battery we will find lead plates in a liquid electrolyte that create an electrochemical reaction to produce charge at the battery terminals. Heat accelerates this chemical activity. When it is particularly high it accelerates the internal corrosion of its cells, which in turn reduces its lifespan. In contrast, low temperatures slow down chemical reactions. This is the main reason why a battery is slow to start the engine during start-up, even though it is in good condition.
At colder temperatures, the capacity of the battery to provide sufficient power to start and run the engine decreases. Car batteries are rated CCA (Cold-Cranking Amperage). This is the amount of current that a battery can supply for 30 seconds at -18 degrees Celsius without stopping its supply. A fully charged lead-acid battery can survive up to -50 degrees Celsius, but a low-charge battery can freeze at -1 degrees Celsius.
Battery performance also plays an important role in electric cars. On cold days, the capacity of electric car batteries decreases considerably, while the same happens at very high temperatures.
As for the starting batteries of conventional cars, owners should check their batteries after three years of use. If the battery starts to have difficulty starting the engine in the morning then it will have to be replaced very soon before it loses its full charge. This is also the first warning sign of the battery that should not be ignored.
Also, if for some reason there is no engine start but some short sounds, then drivers should check the terminals or cables.
If your battery has lids, remove them and check that the liquid inside is slightly above the plates. If the level is low, top up with deionized water and avoid overfilling. Wipe to see any leaks. In recent years the batteries are closed and are permanently sealed. These do not require any maintenance, so you can not check the fluid.
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