{"id":267,"date":"2026-07-18T14:17:55","date_gmt":"2026-07-18T14:17:55","guid":{"rendered":"https:\/\/oayachtservice.com\/knowledgebase\/?post_type=docs&#038;p=267"},"modified":"2026-07-18T14:17:56","modified_gmt":"2026-07-18T14:17:56","password":"","slug":"victron-skylla-tg-battery-charger-operation-reference-guide","status":"publish","type":"docs","link":"https:\/\/oayachtservice.com\/knowledgebase\/?docs=victron-skylla-tg-battery-charger-operation-reference-guide","title":{"rendered":"Victron Skylla-TG Battery Charger \u2013 Operation &amp; Reference Guide"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Overview<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Victron Skylla-TG Battery Charger<\/strong> is a high-performance marine battery charging system designed to provide reliable charging and battery management for onboard DC electrical systems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Skylla-TG series is engineered for marine and industrial applications, providing accurate charge voltage control, multiple output configurations, and advanced protection features to support reliable battery charging. The charger includes features such as adjustable charge voltage, temperature-compensated charging, and voltage sensing to improve charging accuracy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This knowledge base article provides an introduction to the Skylla-TG system. The following pages include manufacturer documentation covering installation, operation, configuration, maintenance, and troubleshooting procedures.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">System Purpose<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The Victron Skylla-TG charger is responsible for maintaining onboard battery banks by converting incoming AC power into controlled DC charging power.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Typical applications include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>House battery charging.<\/li>\n\n\n\n<li>Starting battery support.<\/li>\n\n\n\n<li>Navigation and electronics battery systems.<\/li>\n\n\n\n<li>Emergency and backup power systems.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Proper operation of the battery charger is essential for maintaining battery health and ensuring reliable vessel operation.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Key Features<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The Skylla-TG includes several features designed for marine battery charging applications:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Adjustable Charging Parameters<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Charge voltage can be precisely adjusted to match the requirements of the installed battery system.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Temperature Compensation<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">When equipped with an external temperature sensor, the charger can adjust charging voltage based on battery temperature to improve charging performance and protect battery life.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Voltage Sensing<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The charger can measure voltage directly at the battery terminals to compensate for voltage losses caused by cable resistance.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Protection Functions<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The Skylla-TG incorporates protective features designed to safeguard the charger and connected battery system.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Protection functions include monitoring for abnormal operating conditions and preventing damage caused by improper operation.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Basic Operating Principles<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">When AC power is available:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>The charger receives incoming AC power.<\/li>\n\n\n\n<li>The charger converts AC power into regulated DC charging output.<\/li>\n\n\n\n<li>Charging voltage and current are controlled according to configured settings.<\/li>\n\n\n\n<li>The charger maintains battery charge while supporting onboard DC loads.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">The charger may remain active continuously when connected to shore power or generator power, maintaining the batteries at the appropriate charge level.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Routine Maintenance<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">To maintain reliable operation:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Keep charger ventilation openings clear.<\/li>\n\n\n\n<li>Inspect electrical connections periodically.<\/li>\n\n\n\n<li>Verify battery connections are clean and secure.<\/li>\n\n\n\n<li>Monitor charging performance.<\/li>\n\n\n\n<li>Check for abnormal alarms or operating conditions.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Only qualified personnel should access internal charger components.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Safety Considerations<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Before servicing the Skylla-TG charger:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Disconnect incoming AC power.<\/li>\n\n\n\n<li>Allow sufficient time for internal components to discharge.<\/li>\n\n\n\n<li>Follow proper electrical safety procedures.<\/li>\n\n\n\n<li>Use qualified personnel for electrical troubleshooting.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Battery charging systems can present hazards including high voltage, stored electrical energy, and battery gases. Adequate ventilation should always be maintained around battery charging equipment.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Troubleshooting Overview<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">If charging issues occur, check:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Charger Not Operating<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Verify:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>AC power supply is available.<\/li>\n\n\n\n<li>Input breakers are ON.<\/li>\n\n\n\n<li>Charger connections are secure.<\/li>\n\n\n\n<li>No active fault conditions are present.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Batteries Not Charging Properly<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Check:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Battery voltage.<\/li>\n\n\n\n<li>Battery connections.<\/li>\n\n\n\n<li>Charge settings.<\/li>\n\n\n\n<li>Temperature sensor operation.<\/li>\n\n\n\n<li>Voltage sensing connections.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Low Charging Voltage<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Possible causes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Incorrect charger settings.<\/li>\n\n\n\n<li>Voltage drop in cables.<\/li>\n\n\n\n<li>Poor battery connections.<\/li>\n\n\n\n<li>Incorrect battery configuration.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">Reference Manual<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The attached <strong>Victron Skylla-TG User Manual<\/strong> provides detailed information regarding:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Installation.<\/li>\n\n\n\n<li>Electrical connections.<\/li>\n\n\n\n<li>Operation.<\/li>\n\n\n\n<li>Charging adjustments.<\/li>\n\n\n\n<li>Remote controls.<\/li>\n\n\n\n<li>Fault tracing.<\/li>\n\n\n\n<li>Technical specifications.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Refer to the official Victron documentation for model-specific procedures and settings.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">This guide is intended as a supplemental <strong>Ocean Alexander Knowledge Base reference<\/strong> and does not replace the official Victron Energy Skylla-TG installation and operation manual.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/oayachtservice.com\/KBMedia\/Victron_Skylla-TG.png\" alt=\"\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Victron Skylla-TG Battery Charger is a high-performance marine battery charging system designed to provide reliable charging and battery management for onboard DC electrical systems. The Skylla-TG series is engineered for marine and industrial applications, providing accurate charge voltage control, multiple output configurations, and advanced protection features to support reliable battery charging. The charger &#8230; <a title=\"Victron Skylla-TG Battery Charger \u2013 Operation &amp; Reference Guide\" class=\"read-more\" href=\"https:\/\/oayachtservice.com\/knowledgebase\/?docs=victron-skylla-tg-battery-charger-operation-reference-guide\" aria-label=\"Read more about Victron Skylla-TG Battery Charger \u2013 Operation &amp; Reference Guide\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[6],"doc_tag":[],"class_list":["post-267","docs","type-docs","status-publish","hentry","doc_category-electrical"],"year_month":"2026-07","word_count":551,"total_views":0,"reactions":{"happy":0,"normal":0,"sad":0},"author_info":{"name":"admin","author_nicename":"oaadmin","author_url":"https:\/\/oayachtservice.com\/knowledgebase\/?author=1"},"doc_category_info":[{"term_name":"Electrical","term_url":"https:\/\/oayachtservice.com\/knowledgebase\/?doc_category=electrical"}],"doc_tag_info":[],"_links":{"self":[{"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/docs\/267","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=267"}],"version-history":[{"count":1,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/docs\/267\/revisions"}],"predecessor-version":[{"id":268,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=\/wp\/v2\/docs\/267\/revisions\/268"}],"wp:attachment":[{"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=267"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_category&post=267"},{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/oayachtservice.com\/knowledgebase\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_tag&post=267"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}