{"id":583,"date":"2018-01-18T06:52:12","date_gmt":"2018-01-18T06:52:12","guid":{"rendered":"http:\/\/blog.bookyourtheorytestonline.co.uk\/?p=583"},"modified":"2017-12-07T13:54:28","modified_gmt":"2017-12-07T13:54:28","slug":"car-batteries-winter-need-know","status":"publish","type":"post","link":"https:\/\/www.bookyourtheorytestonline.co.uk\/blog\/car-batteries-winter-need-know\/","title":{"rendered":"Car Batteries and Winter: What You Need to Know"},"content":{"rendered":"


\n(Image Source: Flickr<\/a>)<\/i><\/p>\n

Although car batteries do have a tendency to die during the months of winter, there is actually a case to be made that more batteries actually die during the summer season, according to some sources. However, science has an explanation in both cases, as the operation and life span of a car battery can actually be impacted by both cold and hot weather. It is a very good idea to have a check conducted on your car battery prior to summer trips, and maintenance performed regularly in the autumn before winter hits.<\/p>\n

<\/p>\n

Extreme temperatures kill car batteries<\/h2>\n

Lead acid batteries are intended to function in a fairly wide array of temperatures, but their performance tends to suffer in both very hot and very cold conditions. Industrial Battery Products says that the capacity of lead acid batteries falls by as much as 20 percent below normal when the weather is freezing, and around 50 percent below normal when they fall to as low as -30C. The capacity is actually increased by higher temperatures, with lead acid batteries capable of increasing by as much as 12 percent at 50C in comparison to 25C. Unfortunately that also has its downside, as that increased capacity also causes a decrease in lifespan.<\/p>\n

What kills car batteries in winter?<\/h2>\n

There are three factors that are the primary causes of batteries dying during winter \u2013 a reduction in capacity, increasing draw from car accessories, and from starter motors. Starter motors require a great deal of amperage in order to get going when you first start your vehicle, and normally the battery will cooperate fully, but an older battery can find it particularly difficult to deliver. Even younger batteries can have their capacity seriously reduced by temperatures that are freezing or below.<\/p>\n

Cold cranking amps show the amount of amperage that a battery can emit, with a large number able to deal with higher demands than those batteries with a lower figure, and is likely to be less susceptible to cold weather. The demands on starter motor amperage can be even higher than is usually the case in particularly cold weather, which then only compounds the issue. Motor oil also becomes thicker in cold weather, causing it to be more difficult to get the motor to turn over, and in turn resulting in more amperage being drawn by the starter motor.<\/p>\n

Drains on batteries<\/h2>\n

Batteries are often under much greater strain in winter because of demands from accessories such as windscreen wipers and headlights, which are much more frequently used in short days and inclement weather. Without a high performance alternator, the charging system of your vehicle is likely to find it difficult to keep up, and with the reduced capacity caused by the colder temperatures, this can make the death of an older car battery come much more quickly. One of the best things you can do for your car during winter is to keep the battery charged, as fully charged batteries will not start to freeze until considerably lower temperatures than a weaker battery would.<\/p>\n","protected":false},"excerpt":{"rendered":"

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