{"id":69140,"date":"2022-05-23T01:04:16","date_gmt":"2022-05-23T08:04:16","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=69140"},"modified":"2024-03-23T00:33:15","modified_gmt":"2024-03-23T07:33:15","slug":"how-to-spot-and-prevent-a-corroded-car-battery","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/how-to-spot-and-prevent-a-corroded-car-battery\/","title":{"rendered":"How to Spot and Prevent a Corroded Car Battery"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column_83c666-a5 > .kt-inside-inner-col{border-top-width:0px;border-right-width:0px;border-bottom-width:0px;border-left-width:0px;}.kadence-column_83c666-a5 > .kt-inside-inner-col,.kadence-column_83c666-a5 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column_83c666-a5 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column_83c666-a5 > .kt-inside-inner-col{flex-direction:column;}.kadence-column_83c666-a5 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column_83c666-a5 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column_83c666-a5{position:relative;}@media all and (max-width: 1024px){.kadence-column_83c666-a5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column_83c666-a5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column inner-column-1 kadence-column_83c666-a5 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-0cf9c4  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-59e959\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading_6a58c5-a4, .wp-block-kadence-advancedheading.kt-adv-heading_6a58c5-a4[data-kb-block=\"kb-adv-heading_6a58c5-a4\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading_6a58c5-a4 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading_6a58c5-a4[data-kb-block=\"kb-adv-heading_6a58c5-a4\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading_6a58c5-a4 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading_6a58c5-a4[data-kb-block=\"kb-adv-heading_6a58c5-a4\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading_6a58c5-a4 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading_6a58c5-a4\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\"><li>Battery fluid leaks and age could lead to corroded batteries.<\/li><li>Using anti-corrosion battery washers and battery grease as well as taking your car battery to a mechanic to fix overcharging or undercharging problems can help prevent battery corrosion.<\/li><li>Car batteries cost somewhere between $100 and $470, depending on the brand, series, and type.<\/li><\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>The battery is the most important part of your vehicle&rsquo;s electrical system. It&rsquo;s responsible for supplying electricity to your vehicle&rsquo;s engine and electronics. Several factors can cause your <a href=\"https:\/\/www.carparts.com\/blog\/5-signs-of-a-bad-battery\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"battery to fail\">battery to fail<\/a>, including corrosion.<\/p>\n\n\n\n<p>Can&rsquo;t tell if your battery is corroded? Don&rsquo;t worry. In this article, we&rsquo;ll tackle the most common symptoms and causes of corrosion in <a href=\"https:\/\/www.carparts.com\/blog\/how-does-a-car-battery-work\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"car batteries\">car batteries<\/a>. We&rsquo;ll also give you some useful tips on how to prevent corrosion in your battery.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What Does a Corroded Car Battery Look Like?<\/h2>\n\n\n\n<p>Corrosion can look different on car batteries due to the presence of different chemicals. You might notice a whitish, bluish, or greenish substance on your battery&rsquo;s terminals, cables, or posts. The whitish substance is either lead sulfate or anhydrous copper sulfate. Meanwhile, the bluish substance is hydrated copper sulfate. These substances can change properties depending on the chemical reactions that have occurred.<\/p>\n\n\n\n<p>The sulfuric acid inside the battery releases hydrogen gas, which causes corrosion. When exposed to the ambient atmosphere, hydrogen gases can create a corrosive environment inside the battery. Moisture and salt can also accelerate the corrosion of your vehicle&rsquo;s battery terminal.<\/p>\n\n\n\n<p>Corrosion on the negative battery terminal is a common sign of an undercharged battery. There&rsquo;s a chance that your alternator isn&rsquo;t charging your battery enough to match your vehicle&rsquo;s electrical load demand. However, if you find signs of corrosion around your positive battery terminal, then you might have an overcharged battery.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/05\/corroded-car-battery-1-1024x768.jpg\" alt=\"corroded car battery terminal\" class=\"wp-image-69220\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/05\/corroded-car-battery-1-1024x768.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/05\/corroded-car-battery-1-300x225.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/05\/corroded-car-battery-1-768x576.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/05\/corroded-car-battery-1-150x113.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2022\/05\/corroded-car-battery-1.jpg 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption>In a corroded car battery, the whitish substance is either lead sulfate or anhydrous copper sulfate, while the bluish substance is hydrated copper sulfate.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">What Causes a Car Battery to Corrode?<\/h2>\n\n\n\n<p>Corroded car battery terminals can degrade your battery&rsquo;s life and performance. If the battery terminals are corroded, the flow of electricity between the battery and the engine can be interrupted. Unstable battery performance can prevent your vehicle from starting and cause damage to your vehicle&rsquo;s electrical components. Here are some common causes of battery corrosion.<\/p>\n\n\n\n<div id=\"article-search-widget\">\n<div class=\"cp-search\">\n<div align=\"center\">\n<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cld.partsimg.com\/image\/upload\/w_auto,dpr_auto\/carparts\/logos\/badge_wordmark\/full_color\/CP_LOGO_COLOUR_RGB\" alt=\"CarParts.com\" width=\"300\" height=\"56\">\n<\/div>\n<form id=\"cpsearchform\" name=\"cpsearchform\" action=\"https:\/\/www.carparts.com\/search\" method=\"get\" target=\"_blank\" accept-charset=\"character_set\" aria-label=\"search CarParts.com\">\n    <input type=\"text\" class=\"keyword\" name=\"q\" placeholder=\"Search for parts on CarParts.com\" value=\"\" aria-label=\"Search CarParts.com\"><input type=\"submit\" class=\"btn-search\" value=\"Search\" aria-label=\"Search\">\n<\/form>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Battery Fluid Leaks<\/h3>\n\n\n\n<p>There are small holes in your battery cap that provide ventilation for newly formed gases to escape when the battery is charging. An overfilled battery can cause sulfuric acid to leak out of the battery cap and come in contact with your battery terminals. The chemical reaction can corrode your battery terminals and leave a huge deposit of powdery substance, which requires extensive cleaning to remove. An overcharged battery can also lead to a battery fluid leak because the gases inside the battery can expand and escape through the cap.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Old Battery<\/h3>\n\n\n\n<p>A car battery can last up to five years if its electrical system is in good working order, it isn&rsquo;t exposed to extreme heat on a regular basis, and it receives full charging cycles on a regular basis. However, the <a href=\"https:\/\/www.carparts.com\/blog\/how-to-replace-a-car-battery\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"battery needs to be replaced\">battery needs to be replaced<\/a> over time due to aging and wear and tear. Old batteries are more prone to corrosion because they aren&rsquo;t able to hold a charge.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Prevent Battery Corrosion<\/h2>\n\n\n\n<p>Whether your vehicle&rsquo;s battery is corroded or not, you should inspect it at least twice a year or every 6,000 miles. Keeping a regular maintenance schedule can help ensure that your battery stays in good condition. However, if you want to take some extra steps to prevent corrosion in your vehicle&rsquo;s battery, here are some things that you can try.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Anti-Corrosion Battery Washers<\/h3>\n\n\n\n<p>Battery washers are felt pads that you can place on the negative and positive terminals to prevent corrosion. They&rsquo;re specifically designed to absorb vapors from the battery post and keep the terminals free of corrosion. If you&rsquo;re going to install battery washers, don&rsquo;t forget to grease the tops of the washers and terminals to keep them protected.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Battery Grease<\/h3>\n\n\n\n<p>Battery grease can prevent corrosion in your terminals by repelling air and water. There are several kinds of battery grease, each with its own unique characteristics and temperature ranges. If you don&rsquo;t know which type of grease to use, you should ask your mechanic. Battery grease can be beneficial for lead-acid batteries, but it isn&rsquo;t always necessary.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fix Battery Charging Problems<\/h3>\n\n\n\n<p>Improper charging system operation can be caused because of battery corrosion in the cables, cable ends or the battery itself. Clean the battery and the cable or terminal end to remove the corrosion. If this doesn&rsquo;t work, we recommend taking your vehicle to a mechanic.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How to Repair a Corroded Battery<\/h2>\n\n\n\n<p>There&rsquo;s no single solution to repairing a corroded battery. You&rsquo;ll have to inspect your battery terminal, cables, and posts for signs of corrosion. A cleaning solution and a brush can be used to remove mild cases of corrosion. However, we still recommend bringing your vehicle to a mechanic so they can properly <a href=\"https:\/\/www.carparts.com\/blog\/how-to-check-car-battery\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"check your battery\">check your battery<\/a> and perform the appropriate repairs.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">How Much Does it Cost to Replace a Corroded Battery?<\/h2>\n\n\n\n<p>Severe corrosion can shorten your battery&rsquo;s life and cause damage to your vehicle&rsquo;s electrical components. If unaddressed, corrosion can build up on your battery terminals, making it harder to clean. Some cases of corrosion might require replacement batteries, battery terminal end, and battery cables. Car batteries typically cost around $100 to $470 depending on their brand, series, and type.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>In my experience&hellip; it is the terminal ends and the actual battery cables that have the issues, which is why the corrosion keeps coming back. This is because the corrosion has gotten into the actual battery cable and cannot be cleaned, or the terminal end has corrosion that has not been properly cleaned.<\/p><cite>&ndash;<a href=\"https:\/\/www.carparts.com\/blog\/author\/anthonyharlin\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Anthony Harlin, ASE Certified Master Automobile Technician\">Anthony Harlin, ASE Certified Master Automobile Technician<\/a><\/cite><\/blockquote>\n\n\n\n<p>Now that you know how to spot and prevent a corroded car battery, we hope that you&rsquo;ll apply these useful tips and tricks during your next maintenance session.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Where to Get a High-Quality Battery for Your Vehicle<\/h2>\n\n\n\n<p>Of course, some corroded batteries are beyond repair. If yours falls in this category, then you&rsquo;re better off getting a replacement. Here at <a href=\"http:\/\/carparts.com\" target=\"_blank\" rel=\"noreferrer noopener nofollow\" aria-label=\"CarParts.com\">CarParts.com<\/a>, we make it a breeze to shop for new <a href=\"https:\/\/www.carparts.com\/battery\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"car batteries\">car batteries<\/a> with our excellent selection and easy-to-navigate website.<\/p>\n\n\n\n<p>To start shopping, fill out our vehicle selector to narrow down our catalog to the batteries made for your ride. Then, use our search filters to find the ones that match your preferred brand, price, type, and more.<\/p>\n\n\n\n<p>Our fast delivery process means you can get your new battery in as fast as two business days. That&rsquo;s made possible by our strategically located parts warehouses across the country. On top of that, all our products come with a low-price and lifetime replacement guarantee to give you the best value for your money.<\/p>\n\n\n\n<p>Shop for a new battery today to get your vehicle back on the road in no time!<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 5<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>The battery is the most important part of your vehicle&rsquo;s electrical system. It&rsquo;s responsible for supplying electricity to your vehicle&rsquo;s&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/how-to-spot-and-prevent-a-corroded-car-battery\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":69219,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[52,3744],"tags":[73],"ppma_author":[2607,2855,3742],"class_list":{"0":"post-69140","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-ignition-system","9":"tag-battery","10":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Spot and Prevent a Corroded Car Battery - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"Corrosion can degrade your battery\u2019s life and performance in the long run. Learn about its common symptoms and causes in this article.\" \/>\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.carparts.com\/blog\/how-to-spot-and-prevent-a-corroded-car-battery\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Spot and Prevent a Corroded Car Battery - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"Corrosion can degrade your battery\u2019s life and performance in the long run. 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