{"id":3170,"date":"2026-09-29T05:43:41","date_gmt":"2026-09-29T05:43:41","guid":{"rendered":"https:\/\/shop.autoboss.com\/?post_type=product&#038;p=3170"},"modified":"2026-10-09T08:20:30","modified_gmt":"2026-10-09T08:20:30","slug":"autool-em355-power-inverter-ecu-programming","status":"publish","type":"product","link":"https:\/\/autoboss.com\/es\/product\/autool-em355-power-inverter-ecu-programming\/","title":{"rendered":"AUTOOL EM355 120A ECU Programming Power Supply &#038; 12V Lead-Acid Battery Charger"},"content":{"rendered":"<div class=\"abd-pd\" data-abd-version=\"1\">\n<header class=\"abd-hero\">\n<h3>Stable Battery Support for ECU Programming, Plus Lead-Acid Charging<\/h3>\n<p class=\"abd-lead\">The EM355 holds a set support voltage while your separate programming tool works on the vehicle, then switches to charging or restoring 12 V lead-acid batteries between jobs. It does not program the ECU itself and does not charge lithium batteries.<\/p>\n<ul class=\"abd-facts\">\n<li>10.8\u201316 V or Fixed 14 V<\/li>\n<li>Up to 120 A for ~3 min<\/li>\n<li>20 A Lead-Acid Charging<\/li>\n<li>Battery Restoration Mode<\/li>\n<li>5 Interface Languages<\/li>\n<\/ul>\n<\/header>\n<section class=\"abd-sec\" id=\"abd-features\">\n<h4>Key Features<\/h4>\n<ol class=\"abd-features\">\n<li>\n<h5>Adjustable or Fixed Programming Voltage<\/h5>\n<p>Adjustable Mode sets 10.8\u201316 V to match the vehicle procedure; Fixed Mode supplies 14 V.<\/p>\n<\/li>\n<li>\n<h5>Live Output on a Color Display<\/h5>\n<p>Output voltage and current stay on screen during programming, charging and restoration.<\/p>\n<\/li>\n<li>\n<h5>Multi-Stage Intelligent Charging<\/h5>\n<p>Fast Charging adapts voltage and current to the battery&#8217;s condition, shows progress and indicates when charging is complete.<\/p>\n<\/li>\n<li>\n<h5>Restoration for Long-Idle Batteries<\/h5>\n<p>A dedicated mode treats discharged or long-idle lead-acid batteries off the vehicle; results depend on condition and sulfation.<\/p>\n<\/li>\n<li>\n<h5>Straightforward Controls<\/h5>\n<p>Physical arrow, OK, STOP and Return keys, adjustable screen brightness and a high-speed cooling fan.<\/p>\n<\/li>\n<\/ol>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-compare\">\n<h4>Model Comparison<\/h4>\n<div class=\"abd-table-wrap\">\n<table class=\"abd-table abd-compare\">\n<thead>\n<tr>\n<th scope=\"col\"><\/th>\n<th scope=\"col\" class=\"is-current\">EM355<\/th>\n<th scope=\"col\">EM365<\/th>\n<th scope=\"col\">EM385<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Max programming current<\/th>\n<td class=\"is-current\">120 A, approx. 3 min<\/td>\n<td>150 A, approx. 3 min<\/td>\n<td>150 A, approx. 3 min<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Screen<\/th>\n<td class=\"is-current\">Color display<\/td>\n<td>2.8-inch<\/td>\n<td>4.3-inch touch screen<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Momentary starting support<\/th>\n<td class=\"is-current\">No<\/td>\n<td>400 A \/ 12 V<\/td>\n<td>400 A \/ 12 V<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Vehicle display mode<\/th>\n<td class=\"is-current\">No<\/td>\n<td>Yes<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Lithium (LFP \/ NCM) charging<\/th>\n<td class=\"is-current\">No<\/td>\n<td>No<\/td>\n<td>Up to 20 A, battery removed<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Separate adjustable supply<\/th>\n<td class=\"is-current\">No<\/td>\n<td>No<\/td>\n<td>3\u20138.9 V \/ 1\u201320 A; 9\u201316 V \/ 1\u2013100 A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-box\">\n<h4>What&#8217;s in the Box<\/h4>\n<ul class=\"abd-box\">\n<li>EM355 inverter programming power supply<\/li>\n<li>Battery clamp cable<\/li>\n<li>Power cable (plug type depends on regional version)<\/li>\n<li>User manual<\/li>\n<\/ul>\n<figure class=\"abd-fig\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/d9c3d0886bf4185f68a94825.webp\" alt=\"AUTOOL EM355 with battery clamp cable, power cable, user manual and retail box\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>EM355 package contents.<\/figcaption><\/figure>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-use\">\n<h4>How to Use<\/h4>\n<ol class=\"abd-steps\">\n<li><b>Prepare the vehicle<\/b><span>Check the required support voltage in the vehicle procedure and start with a fully charged 12 V battery.<\/span><\/li>\n<li><b>Connect the unit<\/b><span>Use a grounded AC supply that matches your unit&#8217;s version, keep vents clear, and connect red to positive and black to negative.<\/span><\/li>\n<li><b>Select programming power<\/b><span>Choose Programmable Power Supply with the arrow keys, press OK and follow the prompts.<\/span><\/li>\n<li><b>Set the voltage<\/b><span>Set 10.8\u201316 V in Adjustable Mode, or use Fixed Mode for 14 V.<\/span><\/li>\n<li><b>Run and monitor<\/b><span>Confirm the displayed voltage and current, then carry out the procedure with your programming tool.<\/span><\/li>\n<li><b>Stop before changing<\/b><span>Stop output with the unit&#8217;s controls before changing settings or disconnecting.<\/span><\/li>\n<\/ol>\n<p class=\"abd-note\">Menus, connections and troubleshooting: <a href=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/c15c7ad4182790240a7149ea.pdf\" target=\"_blank\" rel=\"noopener\">EM355 user manual (PDF)<\/a><\/p>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-notes\">\n<h4>Good to Know<\/h4>\n<div class=\"abd-notes\">\n<div class=\"abd-note-group is-caution\">\n<h5><span class=\"abd-tag\">Caution<\/span><\/h5>\n<ul>\n<li>A separate programming or diagnostic tool is required; the EM355 only supplies battery support power.<\/li>\n<li>EFB charging and Battery Restoration require the battery to be removed from the vehicle.<\/li>\n<li>Confirm the selected voltage and available output cover the full programming session and its expected load.<\/li>\n<\/ul>\n<\/div>\n<div class=\"abd-note-group is-care\">\n<h5><span class=\"abd-tag\">Care<\/span><\/h5>\n<ul>\n<li>Use in a dry, ventilated location with the vents clear.<\/li>\n<li>Fit clamps with correct polarity on clean terminals before enabling output; stop output or charging before removing them.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-faq\">\n<h4>FAQ<\/h4>\n<details class=\"abd-faq\" name=\"abd-faq\">\n<summary>Why use programming mode instead of battery charging?<\/summary>\n<p>Programming mode holds the support voltage you select for the vehicle procedure. Charging follows a process that changes output as the battery charges.<\/p>\n<\/details>\n<details class=\"abd-faq\" name=\"abd-faq\">\n<summary>Which programming voltage should I select?<\/summary>\n<p>The voltage specified in the vehicle procedure. Use Fixed Mode only when 14 V is the appropriate value.<\/p>\n<\/details>\n<details class=\"abd-faq\" name=\"abd-faq\">\n<summary>What happens when the unit gets hot?<\/summary>\n<p>At an internal temperature of 70 \u00b0C the maximum current drops to 50 A, and returns to full output once the unit cools to 50 \u00b0C.<\/p>\n<\/details>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>10.8\u201316 V Programming Supply:<\/strong> Set programming support from 10.8 V to 16 V or choose fixed 14 V while viewing live voltage and current on the color display.<\/li>\n<li><strong>120 A for Approximately 3 Minutes:<\/strong> Programming output reaches up to 120 A for approximately 3 minutes, with thermal protection reducing available current as the unit heats.<\/li>\n<li><strong>Up to 20 A Lead-Acid Charging:<\/strong> Charge standard lead-acid, AGM flat plate, AGM spiral, or GEL batteries at up to 20 A; EFB uses External Charging with the battery removed.<\/li>\n<li><strong>Battery Restoration Mode:<\/strong> Treat discharged or long-idle lead-acid batteries with the battery removed from the vehicle.<\/li>\n<li><strong>Protected Output:<\/strong> Use reverse-polarity, short-circuit, overcurrent, and temperature protection, plus an emergency stop control.<\/li>\n<\/ul>","protected":false},"featured_media":12243,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":""},"product_brand":[128],"product_cat":[64,62,71],"product_tag":[],"class_list":["post-3170","product","type-product","status-publish","has-post-thumbnail","product_brand-autool","product_cat-car-battery-charger","product_cat-best-selling-products","product_cat-ecu-programming-tool","first","instock","shipping-taxable","purchasable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product\/3170","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/comments?post=3170"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media\/12243"}],"wp:attachment":[{"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/media?parent=3170"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_brand?post=3170"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_cat?post=3170"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/autoboss.com\/es\/wp-json\/wp\/v2\/product_tag?post=3170"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}