{"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":"2026-10-27T16:14:13","modified_gmt":"2026-10-27T16:14:13","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 class=\"PDq2pG_selectionAnchorContainer\" data-start=\"125\" data-end=\"470\"><strong data-start=\"125\" data-end=\"153\">JA Solar JAM54D40-465\/LB<\/strong> is a high-efficiency monocrystalline bifacial photovoltaic module from the <strong data-start=\"231\" data-end=\"251\">DeepBlue 4.0 Pro<\/strong> series with a power output of <strong data-start=\"263\" data-end=\"273\">465 W<\/strong>. The panel is built on <strong data-start=\"299\" data-end=\"309\">n-type<\/strong> cells and features a <strong data-start=\"337\" data-end=\"353\">Double Glass<\/strong> design with 1.6 mm glass on both the front and rear sides. The module efficiency is <strong data-start=\"422\" data-end=\"431\">23.3%<\/strong>.<\/p>\n<h3 data-section-id=\"1bdfoq\" data-start=\"472\" data-end=\"510\">Advantages of the Bifacial Design<\/h3>\n<p data-start=\"512\" data-end=\"785\">The module can generate electricity not only with its front side but also with its rear side, using light reflected from the surface beneath the panel. The actual generation gain depends on the surface albedo, the height and mounting method, the tilt angle, the row spacing, and shading.<\/p>\n<p data-start=\"787\" data-end=\"942\">That is why I would <strong data-start=\"796\" data-end=\"878\">not state fixed &#8220;+5\u201325%&#8221; figures or specific +10%, +18%, +25% values for different surfaces<\/strong> \u2014 the official datasheet does not guarantee these numbers for a real solar power plant.<\/p>\n<h3 data-section-id=\"kpmhu9\" data-start=\"944\" data-end=\"972\">Technological Features<\/h3>\n<ul data-start=\"974\" data-end=\"1678\">\n<li data-section-id=\"8lkrxh\" data-start=\"974\" data-end=\"1106\"><strong data-start=\"976\" data-end=\"998\">n-type technology.<\/strong> The module uses monocrystalline n-type cells designed for high efficiency and low degradation.<\/li>\n<li data-section-id=\"1jx4jbf\" data-start=\"1107\" data-end=\"1248\"><strong data-start=\"1109\" data-end=\"1126\">Double Glass.<\/strong> The front and rear glass, <strong data-start=\"1158\" data-end=\"1177\">1.6 mm + 1.6 mm<\/strong> thick, protect the photovoltaic cells and provide the module&#8217;s bifacial design.<\/li>\n<li data-section-id=\"osmulj\" data-start=\"1249\" data-end=\"1390\"><strong data-start=\"1251\" data-end=\"1275\">High efficiency \u2014 23.3%.<\/strong> A power output of 465 W with dimensions of <strong data-start=\"1307\" data-end=\"1330\">1762 \u00d7 1134 \u00d7 30 mm<\/strong> allows you to use the available mounting area efficiently.<\/li>\n<li data-section-id=\"nuf8an\" data-start=\"1391\" data-end=\"1522\"><strong data-start=\"1393\" data-end=\"1438\">Pmax temperature coefficient \u22120.290%\/\u00b0C.<\/strong> This means a relatively small drop in module power as the temperature rises.<\/li>\n<li data-section-id=\"1hrw43n\" data-start=\"1523\" data-end=\"1592\"><strong data-start=\"1525\" data-end=\"1550\">Protection rating IP68.<\/strong> The junction box has three bypass diodes.<\/li>\n<li data-section-id=\"ob0odn\" data-start=\"1593\" data-end=\"1678\"><strong data-start=\"1595\" data-end=\"1640\">Maximum system voltage \u2014 1500 V DC.<\/strong><\/li>\n<\/ul>\n<h3 data-section-id=\"z8v4rc\" data-start=\"1680\" data-end=\"1709\">Electrical Characteristics<\/h3>\n<p data-start=\"1711\" data-end=\"1743\">For the <strong data-start=\"1715\" data-end=\"1734\">JAM54D40-465\/LB<\/strong> at STC:<\/p>\n<ul data-start=\"1745\" data-end=\"2091\">\n<li data-section-id=\"h5lfnw\" data-start=\"1745\" data-end=\"1782\">rated power \u2014 <strong data-start=\"1771\" data-end=\"1781\">465 W<\/strong>;<\/li>\n<li data-section-id=\"1ohubqs\" data-start=\"1783\" data-end=\"1828\">open-circuit voltage (Voc) \u2014 <strong data-start=\"1816\" data-end=\"1827\">40.20 V<\/strong>;<\/li>\n<li data-section-id=\"18o6u3h\" data-start=\"1829\" data-end=\"1891\">voltage at maximum power point (Vmp) \u2014 <strong data-start=\"1879\" data-end=\"1890\">33.50 V<\/strong>;<\/li>\n<li data-section-id=\"1po8ijy\" data-start=\"1892\" data-end=\"1940\">short-circuit current (Isc) \u2014 <strong data-start=\"1928\" data-end=\"1939\">14.65 A<\/strong>;<\/li>\n<li data-section-id=\"1r8xtlk\" data-start=\"1941\" data-end=\"2001\">current at maximum power point (Imp) \u2014 <strong data-start=\"1989\" data-end=\"2000\">13.88 A<\/strong>;<\/li>\n<li data-section-id=\"6apk7c\" data-start=\"2002\" data-end=\"2020\">efficiency \u2014 <strong data-start=\"2010\" data-end=\"2019\">23.3%<\/strong>;<\/li>\n<li data-section-id=\"1fdb8i1\" data-start=\"2021\" data-end=\"2091\">power tolerance \u2014 <strong data-start=\"2043\" data-end=\"2052\">0\u2026+3%<\/strong>.<\/li>\n<\/ul>\n<h3 data-section-id=\"pcv83j\" data-start=\"2093\" data-end=\"2119\">Which Solar Power Plants It Suits<\/h3>\n<p data-start=\"2121\" data-end=\"2341\">The JA Solar JAM54D40-465\/LB can be used in <strong data-start=\"2170\" data-end=\"2236\">residential, commercial, and industrial solar power plants<\/strong>. The bifacial design is especially worthwhile where the rear side of the panel has access to reflected light.<\/p>\n<p data-start=\"2343\" data-end=\"2464\">When designing a solar power plant, you must take into account the module&#8217;s Voc, Isc, Vmp, and Imp and the permissible MPPT parameters of the selected inverter.<\/p>\n<h3 data-section-id=\"kmd92w\" data-start=\"2466\" data-end=\"2492\">Warranty and Degradation<\/h3>\n<p data-start=\"2494\" data-end=\"2709\">For n-type bifacial double-glass modules, JA Solar states a <strong data-start=\"2552\" data-end=\"2592\">30-year linear power warranty<\/strong>: no more than <strong data-start=\"2604\" data-end=\"2634\">1% degradation in the first year<\/strong> and no more than <strong data-start=\"2648\" data-end=\"2670\">0.4% per year thereafter<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<table>\n<thead>\n<tr>\n<th><strong>Category<\/strong><\/th>\n<th><strong>Parameter<\/strong><\/th>\n<th><strong>Correct value<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>General data<\/strong><\/td>\n<td>Manufacturer<\/td>\n<td>JA Solar<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Series<\/td>\n<td>DeepBlue 4.0 Pro<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Model<\/td>\n<td>JAM54D40-465\/LB<\/td>\n<\/tr>\n<tr>\n<td><strong>Electrical characteristics (STC)<\/strong><\/td>\n<td>Rated power<\/td>\n<td><strong>465 W<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Module efficiency<\/td>\n<td><strong>23.3 %<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Open-circuit voltage (Voc)<\/td>\n<td><strong>40.20 V<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Voltage at maximum power (Vmp)<\/td>\n<td><strong>33.50 V<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Short-circuit current (Isc)<\/td>\n<td><strong>14.65 A<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Current at maximum power (Imp)<\/td>\n<td><strong>13.88 A<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Cell features<\/strong><\/td>\n<td>Cell type<\/td>\n<td><strong>Monocrystalline n-type<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Technology<\/td>\n<td><strong>SMBB, Half-cell<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Number of cells<\/td>\n<td><strong>108 (6 \u00d7 18)<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Design parameters<\/strong><\/td>\n<td>Module design<\/td>\n<td><strong>Bifacial, Double Glass<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Glass thickness, front \/ rear<\/td>\n<td><strong>1.6 \/ 1.6 mm<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Frame material<\/td>\n<td>Anodized aluminum alloy<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Junction box<\/td>\n<td><strong>IP68, 3 diodes<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Connectors<\/td>\n<td><strong>QC 4.10-351 \/ MC4-EVO2A<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Connection cable<\/td>\n<td><strong>4 mm\u00b2; 300 mm (+) \/ 400 mm (-)<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Dimensions and weight<\/strong><\/td>\n<td>Dimensions<\/td>\n<td><strong>1762 \u00d7 1134 \u00d7 30 mm<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Weight<\/td>\n<td><strong>22 kg<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Temperature coefficients<\/strong><\/td>\n<td>Pmax<\/td>\n<td><strong>\u22120.290 %\/\u00b0C<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Voc<\/td>\n<td><strong>\u22120.250 %\/\u00b0C<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Isc<\/td>\n<td><strong>+0.045 %\/\u00b0C<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Operation<\/strong><\/td>\n<td>Maximum system voltage<\/td>\n<td><strong>1500 V DC<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Operating temperature<\/td>\n<td><strong>\u221240\u2026+85 \u00b0C<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Warranty<\/strong><\/td>\n<td>Product warranty<\/td>\n<td><strong>12 years<\/strong>*<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Linear power warranty<\/td>\n<td><strong>30 years<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Degradation in year 1<\/td>\n<td><strong>\u22641%<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Subsequent degradation<\/td>\n<td><strong>\u22640.4% per year<\/strong><\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Guaranteed power in year 30<\/td>\n<td><strong>83.1%<\/strong><\/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 v28.8 - 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 Correct value   General data Manufacturer JA Solar  Series DeepBlue 4.0 Pro  Model JAM54D40-465\/LB  Electrical characteristics (STC) Rated power 465 W  Module efficiency 23.3 %  Open-circuit voltage (Voc) 40.20 V  Voltage at maximum power (Vmp) 33.50 V  Short-circuit current (Isc) 14.65 A  Current at maximum power (Imp) 13.88 A  Cell features Cell type Monocrystalline n-type  Technology SMBB, Half-cell  Number of cells 108 (6 \u00d7 18)  Design parameters Module design Bifacial, Double Glass  Glass thickness, front \/ rear 1.6 \/ 1.6 mm  Frame material Anodized aluminum alloy  Junction box IP68, 3 diodes  Connectors QC 4.10-351 \/ MC4-EVO2A  Connection cable 4 mm\u00b2; 300 mm (+) \/ 400 mm (-)  Dimensions and weight Dimensions 1762 \u00d7 1134 \u00d7 30 mm  Weight 22 kg  Temperature coefficients Pmax \u22120.290 %\/\u00b0C  Voc \u22120.250 %\/\u00b0C  Isc +0.045 %\/\u00b0C  Operation Maximum system voltage 1500 V DC  Operating temperature \u221240\u2026+85 \u00b0C  Warranty Product warranty 12 years*  Linear power warranty 30 years  Degradation in year 1 \u22641%  Subsequent degradation \u22640.4% per year  Guaranteed power in year 30 83.1%\" \/>\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=\"2026-10-27T16:14:13+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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