{"id":2576,"date":"2026-07-15T07:47:40","date_gmt":"2026-07-15T07:47:40","guid":{"rendered":"https:\/\/ecotech.net.ua\/?post_type=product&#038;p=2576"},"modified":"2026-09-03T11:23:05","modified_gmt":"2026-09-03T11:23:05","slug":"kopiyakopiyakopiyakopiyadouble-sided-solar-panel-jinko-solar-jkm-615n-66hl4m-bdv-2","status":"publish","type":"product","link":"https:\/\/ecotech.net.ua\/en\/product\/kopiyakopiyakopiyakopiyadouble-sided-solar-panel-jinko-solar-jkm-615n-66hl4m-bdv-2\/","title":{"rendered":"JA Solar JAM54D40-465\/LB Solar Panel"},"content":{"rendered":"<p>The <b data-path-to-node=\"1\" data-index-in-node=\"7\">JAM54D40-465\/LB<\/b> model from Tier-1 manufacturer <b data-path-to-node=\"1\" data-index-in-node=\"44\">JA Solar<\/b> is a high-efficiency monocrystalline bifacial photovoltaic module from the premium <b data-path-to-node=\"1\" data-index-in-node=\"145\">DeepBlue 4.0 Pro<\/b> series. Thanks to the combination of advanced <b data-path-to-node=\"1\" data-index-in-node=\"212\">N-type (TOPCon)<\/b> cell technology and a glass rear surface (<b data-path-to-node=\"1\" data-index-in-node=\"257\">Double Glass<\/b>), this panel generates energy on both sides, making it an ideal solution for modern ground-mounted, rooftop, and commercial solar power plants with maximum payback.<\/p>\n<h3 data-path-to-node=\"4\">Why a Bifacial Design?<\/h3>\n<p data-path-to-node=\"5\">The main feature of this panel is an active rear side protected by 1.6 mm tempered glass instead of a standard plastic backsheet.<\/p>\n<ul data-path-to-node=\"6\">\n<li>\n<p data-path-to-node=\"6,0,0\"><b data-path-to-node=\"6,0,0\" data-index-in-node=\"0\">Additional Generation from Albedo:<\/b> The panel absorbs light reflected from the ground, roof, or nearby surfaces (albedo effect). Depending on the type of surface beneath the panels, the bifacial design provides <b data-path-to-node=\"6,0,0\" data-index-in-node=\"194\">an extra 5% to 25% of generation<\/b> on top of the rated 465 W.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"6,1,0\"><b data-path-to-node=\"6,1,0\" data-index-in-node=\"0\">Best Surface Types for Maximum Effect:<\/b><\/p>\n<ul data-path-to-node=\"6,1,1\">\n<li>\n<p data-path-to-node=\"6,1,1,0,0\"><i data-path-to-node=\"6,1,1,0,0\" data-index-in-node=\"0\">Light-colored PVC membrane or flat roof<\/i> \u2014 up to 10\u201315% gain.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"6,1,1,1,0\"><i data-path-to-node=\"6,1,1,1,0\" data-index-in-node=\"0\">Light-colored gravel or concrete beneath a ground-mounted structure<\/i> \u2014 up to 15\u201318% gain.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"6,1,1,2,0\"><i data-path-to-node=\"6,1,1,2,0\" data-index-in-node=\"0\">Snow cover in winter<\/i> \u2014 gives the maximum reflection effect with a gain of up to 25%.<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"8\">Technological Advantages of the Model<\/h3>\n<ul data-path-to-node=\"9\">\n<li>\n<p data-path-to-node=\"9,0,0\"><b data-path-to-node=\"9,0,0\" data-index-in-node=\"0\">Advanced N-Type (TOPCon) Technology:<\/b> N-type cells are practically immune to initial degradation (LID effect) and perform better in low-light conditions (at dawn, dusk, and in cloudy weather).<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"9,1,0\"><b data-path-to-node=\"9,1,0\" data-index-in-node=\"0\">Double Glass (Glass-Glass) Construction:<\/b> The use of two layers of tempered glass (1.6 mm front and 1.6 mm back) guarantees unprecedented mechanical strength, complete sealing, and protection of the silicon wafers from microcracks, ammonia, salt, and moisture.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"9,2,0\"><b data-path-to-node=\"9,2,0\" data-index-in-node=\"0\">Minimal Temperature Coefficient (-0.29%\/\u00b0C):<\/b> On hot summer days, when standard panels lose power due to overheating, the JAM54D40-465\/LB performs much more stably, maintaining high efficiency.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"9,3,0\"><b data-path-to-node=\"9,3,0\" data-index-in-node=\"0\">Black Frame Aesthetics:<\/b> The stylish black anodized 30 mm frame makes it easy to integrate the panels into modern rooftop installations on private homes.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"14\">Installation Features We Take Into Account in Practice<\/h3>\n<ol start=\"1\" data-path-to-node=\"15\">\n<li>\n<p data-path-to-node=\"15,0,0\"><b data-path-to-node=\"15,0,0\" data-index-in-node=\"0\">Shading Under the Structure:<\/b> Since the rear side of the panel must remain open to light, mounting rails should not fully cover the module&#8217;s rear side. We use special mounts that minimize shading of the rear glass.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"15,1,0\"><b data-path-to-node=\"15,1,0\" data-index-in-node=\"0\">Installation Height:<\/b> The higher the panel is raised above the ground or roof (optimally from 1 meter for ground-mounted solar power plants), the better the light disperses and the more energy the rear side generates.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"15,2,0\"><b data-path-to-node=\"15,2,0\" data-index-in-node=\"0\">Inverter Current Calculation:<\/b> Due to additional bifacial generation, the panel&#8217;s operating current can increase. Our engineers always calculate a current margin on the inverter&#8217;s trackers to avoid generation clipping on sunny days.<\/p>\n<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<table data-path-to-node=\"1\">\n<thead>\n<tr>\n<td><strong>Category<\/strong><\/td>\n<td><strong>Parameter<\/strong><\/td>\n<td><strong>Value<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"1,1,0,0\"><b data-path-to-node=\"1,1,0,0\" data-index-in-node=\"0\">General Data<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,1,1,0\">Manufacturer<\/span><\/td>\n<td><span data-path-to-node=\"1,1,2,0\">JA Solar<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,2,1,0\">Series<\/span><\/td>\n<td><span data-path-to-node=\"1,2,2,0\">DeepBlue 4.0 Pro<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,3,1,0\">Model<\/span><\/td>\n<td><span data-path-to-node=\"1,3,2,0\">JAM54D40-465\/LB<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"1,4,0,0\"><b data-path-to-node=\"1,4,0,0\" data-index-in-node=\"0\">Electrical Characteristics (STC)<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,4,1,0\">Rated Power\u00a0<\/span><\/td>\n<td><span data-path-to-node=\"1,4,2,0\">465 W<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,5,1,0\">Module Efficiency<\/span><\/td>\n<td><span data-path-to-node=\"1,5,2,0\">23.3 %<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,6,1,0\">Open-Circuit Voltage\u00a0<\/span><\/td>\n<td><span data-path-to-node=\"1,6,2,0\">40.20 V<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Voltage at Pmax<\/td>\n<td>465 W<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,8,1,0\">Short-Circuit Current<\/span><\/td>\n<td><span data-path-to-node=\"1,8,2,0\">14.65 A<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,9,1,0\">Operating Current<\/span><\/td>\n<td><span data-path-to-node=\"1,9,2,0\">13.88 A<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"1,10,0,0\"><b data-path-to-node=\"1,10,0,0\" data-index-in-node=\"0\">Cell Features<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,10,1,0\">Photovoltaic Cell Type<\/span><\/td>\n<td><span data-path-to-node=\"1,10,2,0\">Monocrystalline, N-type (TOPCon)<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,11,1,0\">Technology \/ Number of Busbars<\/span><\/td>\n<td><span data-path-to-node=\"1,11,2,0\">SMBB (Super Multi-Busbar), Half-cell<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,12,1,0\">Number of Cells<\/span><\/td>\n<td><span data-path-to-node=\"1,12,2,0\">108 (6 \u00d7 18)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"1,13,0,0\"><b data-path-to-node=\"1,13,0,0\" data-index-in-node=\"0\">Structural Parameters<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,13,1,0\">Module Construction<\/span><\/td>\n<td><span data-path-to-node=\"1,13,2,0\">Double Glass (dual tempered glass)<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,14,1,0\">Glass Thickness (front \/ back)<\/span><\/td>\n<td><span data-path-to-node=\"1,14,2,0\">1.6 mm \/ 1.6 mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,15,1,0\">Frame Material<\/span><\/td>\n<td><span data-path-to-node=\"1,15,2,0\">Anodized aluminum (black frame)<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,16,1,0\">Junction Box<\/span><\/td>\n<td><span data-path-to-node=\"1,16,2,0\">IP68, 3 bypass diodes<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,17,1,0\">Connectors<\/span><\/td>\n<td><span data-path-to-node=\"1,17,2,0\">MC4-EVO2 or compatible<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,18,1,0\">Connection Cable<\/span><\/td>\n<td><span data-path-to-node=\"1,18,2,0\">4 mm\u00b2, length 1200 mm (+) \/ 1200 mm (-)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"1,19,0,0\"><b data-path-to-node=\"1,19,0,0\" data-index-in-node=\"0\">Dimensions and Weight<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,19,1,0\">Module Dimensions<\/span><\/td>\n<td><span data-path-to-node=\"1,19,2,0\">1762 \u00d7 1134 \u00d7 30 mm<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,20,1,0\">Weight<\/span><\/td>\n<td><span data-path-to-node=\"1,20,2,0\">22 kg<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"1,21,0,0\"><b data-path-to-node=\"1,21,0,0\" data-index-in-node=\"0\">Temperature Coefficients<\/b><\/span><\/td>\n<td>Temperature Coefficient <span class=\"math-inline\" data-math=\"P_{max}\" data-index-in-node=\"25\">Pmax<\/span><\/td>\n<td>-0.290 %\/\u00b0C<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,22,1,0\">Temperature Coefficient <span class=\"math-inline\" data-math=\"V_{oc}\" data-index-in-node=\"25\">Voc<\/span><\/span><\/td>\n<td><span data-path-to-node=\"1,22,2,0\">-0.250 %\/\u00b0C<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,23,1,0\">Temperature Coefficient <span class=\"math-inline\" data-math=\"I_{sc}\" data-index-in-node=\"25\">Isc<\/span><\/span><\/td>\n<td><span data-path-to-node=\"1,23,2,0\">+0.045 %\/\u00b0C<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"1,24,0,0\"><b data-path-to-node=\"1,24,0,0\" data-index-in-node=\"0\">Operating Limits<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,24,1,0\">Maximum System Voltage<\/span><\/td>\n<td><span data-path-to-node=\"1,24,2,0\">1500 V DC<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,25,1,0\">Operating Temperature<\/span><\/td>\n<td><span data-path-to-node=\"1,25,2,0\">-40\u00b0C to +85\u00b0C<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,26,1,0\">Max. Static Load (Snow)<\/span><\/td>\n<td><span data-path-to-node=\"1,26,2,0\">5400 Pa (front side)<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,27,1,0\">Max. Static Load (Wind)<\/span><\/td>\n<td><span data-path-to-node=\"1,27,2,0\">2400 Pa (rear side)<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"1,28,0,0\"><b data-path-to-node=\"1,28,0,0\" data-index-in-node=\"0\">Warranty Obligations<\/b><\/span><\/td>\n<td><span data-path-to-node=\"1,28,1,0\">Materials and Workmanship Warranty<\/span><\/td>\n<td><span data-path-to-node=\"1,28,2,0\">12 years<\/span><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><span data-path-to-node=\"1,29,1,0\">Power Output Warranty<\/span><\/td>\n<td><span data-path-to-node=\"1,29,2,0\">30 years (linear degradation not exceeding 0.4% per year)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":2246,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[75],"product_cat":[51],"product_tag":[],"class_list":["post-2576","product","type-product","status-publish","has-post-thumbnail","product_brand-ja-solar","product_cat-solar-panels","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>JA Solar JAM54D40-465\/LB Solar Panel - EcoTech KO<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ecotech.net.ua\/en\/product\/kopiyakopiyakopiyakopiyadouble-sided-solar-panel-jinko-solar-jkm-615n-66hl4m-bdv-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JA Solar JAM54D40-465\/LB Solar Panel - EcoTech KO\" \/>\n<meta property=\"og:description\" content=\"Category Parameter Value   General Data Manufacturer JA Solar  Series DeepBlue 4.0 Pro  Model JAM54D40-465\/LB  Electrical Characteristics (STC) Rated Power\u00a0 465 W  Module Efficiency 23.3 %  Open-Circuit Voltage\u00a0 40.20 V  Voltage at Pmax 465 W  Short-Circuit Current 14.65 A  Operating Current 13.88 A  Cell Features Photovoltaic Cell Type Monocrystalline, N-type (TOPCon)  Technology \/ Number of Busbars SMBB (Super Multi-Busbar), Half-cell  Number of Cells 108 (6 \u00d7 18)  Structural Parameters Module Construction Double Glass (dual tempered glass)  Glass Thickness (front \/ back) 1.6 mm \/ 1.6 mm  Frame Material Anodized aluminum (black frame)  Junction Box IP68, 3 bypass diodes  Connectors MC4-EVO2 or compatible  Connection Cable 4 mm\u00b2, length 1200 mm (+) \/ 1200 mm (-)  Dimensions and Weight Module Dimensions 1762 \u00d7 1134 \u00d7 30 mm  Weight 22 kg  Temperature Coefficients Temperature Coefficient Pmax -0.290 %\/\u00b0C  Temperature Coefficient Voc -0.250 %\/\u00b0C  Temperature Coefficient Isc +0.045 %\/\u00b0C  Operating Limits Maximum System Voltage 1500 V DC  Operating Temperature -40\u00b0C to +85\u00b0C  Max. Static Load (Snow) 5400 Pa (front side)  Max. Static Load (Wind) 2400 Pa (rear side)  Warranty Obligations Materials and Workmanship Warranty 12 years  Power Output Warranty 30 years (linear degradation not exceeding 0.4% per year)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ecotech.net.ua\/en\/product\/kopiyakopiyakopiyakopiyadouble-sided-solar-panel-jinko-solar-jkm-615n-66hl4m-bdv-2\/\" \/>\n<meta property=\"og:site_name\" content=\"EcoTech KO\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-03T11:23:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ecotech.net.ua\/wp-content\/uploads\/2026\/04\/sonyachna-panel-ja-solar-jam54d40-465lr.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"1500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ecotech.net.ua\\\/en\\\/product\\\/kopiyakopiyakopiyakopiyadouble-sided-solar-panel-jinko-solar-jkm-615n-66hl4m-bdv-2\\\/\",\"url\":\"https:\\\/\\\/ecotech.net.ua\\\/en\\\/product\\\/kopiyakopiyakopiyakopiyadouble-sided-solar-panel-jinko-solar-jkm-615n-66hl4m-bdv-2\\\/\",\"name\":\"JA Solar JAM54D40-465\\\/LB Solar Panel - 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