{"id":914,"date":"2025-03-21T14:50:04","date_gmt":"2025-03-21T13:50:04","guid":{"rendered":"https:\/\/dev-site.se\/sutars.com\/?page_id=914"},"modified":"2026-05-15T10:05:00","modified_gmt":"2026-05-15T08:05:00","slug":"why-not-use-a-battery-isolator-diode","status":"publish","type":"page","link":"https:\/\/sutars.com\/en\/wired-inspired\/separate-batteries-skiljerelan\/why-not-use-a-battery-isolator-diode\/","title":{"rendered":"Why not use a battery isolator diode?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"914\" class=\"elementor elementor-914\" data-elementor-post-type=\"page\">\n\t\t\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-54539af7 e-flex e-con-boxed e-con e-parent\" data-id=\"54539af7\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-4c81bf83 e-con-full e-flex elementor-invisible e-con e-child\" data-id=\"4c81bf83\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;gradient&quot;,&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-69772fc1 elementor-widget elementor-widget-heading\" data-id=\"69772fc1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Why not use a battery isolator diode?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-6693d10d e-flex e-con-boxed e-con e-parent\" data-id=\"6693d10d\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-39febe3f elementor-widget__width-inherit elementor-widget elementor-widget-eael-breadcrumbs\" data-id=\"39febe3f\" data-element_type=\"widget\" data-widget_type=\"eael-breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"eael-breadcrumbs\">\n\t\t\t<div class=\"eael-breadcrumbs__content\"><a href=\"https:\/\/sutars.com\/en\">Home<\/a> <span class=\"eael-breadcrumb-separator\">\/<\/span> <span class = \"eael-current\">Page<\/span><\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-11ba714 e-con-full e-flex e-con e-child\" data-id=\"11ba714\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3b68a55b elementor-widget elementor-widget-heading\" data-id=\"3b68a55b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">An alternative to a divider relay is to use a divider diode.\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b7fd736 elementor-widget elementor-widget-text-editor\" data-id=\"1b7fd736\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Battery isolator diodes introduce a voltage drop of about 0.7\u202fV, which means you effectively lose half of the charging performance.<br \/><br \/>From a safety perspective, a relay is also preferable, since only cables are required between the alternator and the starter battery\u2014meaning there are no additional components that could fail if something goes wrong.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-5e75b6e0 e-con-full e-flex e-con e-child\" data-id=\"5e75b6e0\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-51ec61cf elementor-widget elementor-widget-image\" data-id=\"51ec61cf\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"548\" src=\"https:\/\/sutars.com\/en\/wp-content\/uploads\/sites\/6\/2025\/04\/e0800_skiljerela___m__batterier-1024x702.webp\" class=\"attachment-large size-large wp-image-1383\" alt=\"\" srcset=\"https:\/\/sutars.com\/en\/wp-content\/uploads\/sites\/6\/2025\/04\/e0800_skiljerela___m__batterier-1024x702.webp 1024w, https:\/\/sutars.com\/en\/wp-content\/uploads\/sites\/6\/2025\/04\/e0800_skiljerela___m__batterier-300x206.webp 300w, https:\/\/sutars.com\/en\/wp-content\/uploads\/sites\/6\/2025\/04\/e0800_skiljerela___m__batterier-768x526.webp 768w, https:\/\/sutars.com\/en\/wp-content\/uploads\/sites\/6\/2025\/04\/e0800_skiljerela___m__batterier-1536x1053.webp 1536w, https:\/\/sutars.com\/en\/wp-content\/uploads\/sites\/6\/2025\/04\/e0800_skiljerela___m__batterier-600x411.webp 600w, https:\/\/sutars.com\/en\/wp-content\/uploads\/sites\/6\/2025\/04\/e0800_skiljerela___m__batterier.webp 1920w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b0bbf0 elementor-widget elementor-widget-heading\" data-id=\"0b0bbf0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<span class=\"elementor-heading-title elementor-size-default\">The battery isolator relay is installed after the starter battery, which means there is no device between the alternator and the starter battery that could fail.<\/span>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-element elementor-element-427905a9 e-flex e-con-boxed e-con e-parent\" data-id=\"427905a9\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1bde7699 elementor-widget__width-inherit elementor-widget elementor-widget-heading\" data-id=\"1bde7699\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">More tips &amp; tricks<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-110f36ad elementor-grid-2 elementor-widget__width-inherit elementor-grid-tablet-2 elementor-grid-mobile-1 elementor-widget elementor-widget-loop-grid\" data-id=\"110f36ad\" data-element_type=\"widget\" data-settings=\"{&quot;template_id&quot;:&quot;781&quot;,&quot;columns&quot;:2,&quot;_skin&quot;:&quot;post&quot;,&quot;columns_tablet&quot;:&quot;2&quot;,&quot;columns_mobile&quot;:&quot;1&quot;,&quot;edit_handle_selector&quot;:&quot;[data-elementor-type=\\&quot;loop-item\\&quot;]&quot;,&quot;row_gap&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;row_gap_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;row_gap_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"loop-grid.post\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"e-loop-nothing-found-message\">\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Home \/ Page An alternative to a divider relay is to use a divider diode. Battery isolator diodes introduce a voltage drop of about 0.7\u202fV, which means you effectively lose half of the charging performance. From a safety perspective, a relay is also preferable, since only cables are required between the alternator and the starter [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":539,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","editor_notices":[],"footnotes":""},"Pagecategories":[59],"class_list":{"0":"post-914","1":"page","2":"type-page","3":"status-publish","5":"Pagecategories-separera-batterier"},"acf":[],"meta_box":[],"_links":{"self":[{"href":"https:\/\/sutars.com\/en\/wp-json\/wp\/v2\/pages\/914","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sutars.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sutars.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sutars.com\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/sutars.com\/en\/wp-json\/wp\/v2\/comments?post=914"}],"version-history":[{"count":17,"href":"https:\/\/sutars.com\/en\/wp-json\/wp\/v2\/pages\/914\/revisions"}],"predecessor-version":[{"id":15601,"href":"https:\/\/sutars.com\/en\/wp-json\/wp\/v2\/pages\/914\/revisions\/15601"}],"up":[{"embeddable":true,"href":"https:\/\/sutars.com\/en\/wp-json\/wp\/v2\/pages\/539"}],"wp:attachment":[{"href":"https:\/\/sutars.com\/en\/wp-json\/wp\/v2\/media?parent=914"}],"wp:term":[{"taxonomy":"Pagecategories","embeddable":true,"href":"https:\/\/sutars.com\/en\/wp-json\/wp\/v2\/Pagecategories?post=914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}