{"id":2857,"date":"2023-01-25T13:48:41","date_gmt":"2023-01-25T12:48:41","guid":{"rendered":"https:\/\/www.asdatyres.co.uk\/blog\/?p=2857"},"modified":"2023-10-26T10:19:03","modified_gmt":"2023-10-26T09:19:03","slug":"how-do-you-test-a-car-battery","status":"publish","type":"post","link":"https:\/\/www.asdatyres.co.uk\/blog\/how-do-you-test-a-car-battery\/","title":{"rendered":"How Do You Test A Car Battery?"},"content":{"rendered":"\n<p>Is your car a bit slow to start in the morning? Or have you noticed that your battery keeps going flat? If this is the case then you may need to look at testing your car battery.<\/p>\n\n\n\n<p>If you have a multimeter you can carry out a battery test in the comfort of your own home. A multimeter is an electronic instrument that measures voltage, current and resistance. If you\u2019re looking for accurate results then we\u2019d advise testing your battery when it\u2019s cold, preferably in the morning when the car has been left overnight.<\/p>\n\n\n\n<p>Unfortunately, a lot of people don\u2019t know how they would go about testing a car battery, and all the important information that you need to begin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>How Many Volts Are In A Healthy Car Battery?<\/strong><\/h3>\n\n\n\n<p>It\u2019s important to understand the data provided from your multimeter, so you know whether your battery is strong and healthy or if it needs to be replaced. A minimum of 12.6 volts should be held in a healthy battery, anything less than this means that there is an issue with the battery.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>How To Conduct A Car Battery Test<\/strong><\/h3>\n\n\n\n<p>You will be able to find the battery underneath the bonnet of your car, next to the engine, if you\u2019re struggling to find this then you should use your owner\u2019s manual for further guidance. When you test the battery, you need to make sure you have access to the two terminals on the top. The black one that\u2019s marked with a \u2018-\u2019 is the negative terminal and the red one marked with a \u2018+\u2019 is the positive terminal. You may find one or both of these located under a hinged or sliding cover.<\/p>\n\n\n\n<p>Note: When the battery is exposed, make sure you\u2019re careful not to rest any metal tools on the terminals.<\/p>\n\n\n\n<p>The measurement you need to focus on is the DC (direct current) voltage, this is usually a solid line and a dashed line above the letter V on the multimeter. Set the dial to 20 to measure 0-20 volts on the multimeter. Then to get a reading, hold the red probe to the (+) positive terminal and the black probe to the (-) negative terminal.<\/p>\n\n\n\n<p>If you notice the reading displays a minus (-) before it then this means the probes are connected to the wrong terminals and need swapping around. As soon as these are connected correctly, the voltage of a rested battery should read above 12.6V.<\/p>\n\n\n\n<p>A battery that is only 50% charged will display a reading of 12.2V, and a reading of 12V means your battery is considered to be fully discharged or \u2018flat\u2019 and should be recharged as soon as possible.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Is your car a bit slow to start in the morning? Or have you noticed that your battery keeps going flat? If this is the case then you may need to look at testing your car battery. If you have a multimeter you can carry out a battery test in the comfort of your own&hellip;<\/p>\n","protected":false},"author":13,"featured_media":2858,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2857","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-car-care-and-maintenance-tips"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How Do You Test A Car Battery? | Asda Tyres<\/title>\n<meta name=\"description\" content=\"Find out the simplest and easiest way to test your car battery with Asda Tyres. Read the full blog here to be prepared.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.asdatyres.co.uk\/blog\/how-do-you-test-a-car-battery\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Do You Test A Car Battery? | Asda Tyres\" \/>\n<meta property=\"og:description\" content=\"Find out the simplest and easiest way to test your car battery with Asda Tyres. 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