{"product_id":"aeternasol-400w-solar-panel-12v-n-type-18bb-25-high-efficiency-rugged-ip68-frame","title":"AeternaSol 400W Solar Panel 12V N-Type 18BB — 25% High Efficiency, Rugged IP68 Frame","description":"\u003cp\u003e\u003cstrong\u003eAeternaSol 400 Watt solar panels are high-efficiency 12V N-Type modules built for durable, high-output off-grid and grid-tied systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese panels combine N-Type A+ grade cells, advanced full-weld 18-busbar construction, and rugged outdoor protections to deliver up to 25% conversion efficiency and long-term reliability. Designed for RVs, boats, cabins, battery systems and residential installations, the AeternaSol 400W unit focuses on maximum energy harvest, low night losses, and weatherproof durability.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the 18-busbar N-Type cell design improve performance?\u003c\/h3\u003e\n\u003cp\u003eThe N-Type cells reduce recombination losses and paired with 18 full-weld busbars they increase current collection and lower resistive losses compared with older 10BB\/12BB designs. The result is higher module efficiency, improved low-light response, and more stable output over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGrade A+ N-Type cells for reduced degradation and higher output.\u003c\/li\u003e\n  \u003cli\u003e18 full-weld silver-containing busbars increase conductivity and reliability.\u003c\/li\u003e\n  \u003cli\u003eEL-tested up to approximately 25% cell conversion efficiency for stronger power per panel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat protections keep the panel working through weather and night?\u003c\/h3\u003e\n\u003cp\u003eAeternaSol panels include a sealed IP68 junction box filled with polyurethane polymer and a reverse-current blocking diode, preventing water ingress and eliminating power backflow at night. The anti-corrosion aluminum frame and reinforced construction resist wind and heavy snow loads for long-term outdoor service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIP68-rated sealed junction box prevents moisture and dust entry.\u003c\/li\u003e\n  \u003cli\u003eReverse-current blocking diode stops night-time battery drain.\u003c\/li\u003e\n  \u003cli\u003eFrame engineered for 2400 Pa wind and 5400 Pa snow load tolerance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow are connections and wiring engineered for efficiency and safety?\u003c\/h3\u003e\n\u003cp\u003eThe panel uses upgraded MC4-style connectors with galvanised copper contacts and PPO housings to reduce resistance, heat, and ageing. It ships with 11 AWG oxygen-free copper cable to maintain low losses across runs and a UV-resistant outer sheath for long life in outdoor conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEnhanced MC4 connectors with excellent conductivity and heat resistance.\u003c\/li\u003e\n  \u003cli\u003e11 AWG OFC (99.99% copper) wire handles up to 25 A with minimal loss.\u003c\/li\u003e\n  \u003cli\u003eUV-resistant cable jacket prevents cracking and moisture ingress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect in delivery and support?\u003c\/h3\u003e\n\u003cp\u003eUnits arrive with reinforced foam corners and sturdy cartons to reduce transit damage. AeternaSol provides a one-year support window with 24\/7 technical help to guide installation, troubleshooting, or warranty questions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eProtective packaging with foam corner guards for safer shipping.\u003c\/li\u003e\n  \u003cli\u003eOne-year support and round-the-clock technical assistance.\u003c\/li\u003e\n  \u003cli\u003eClear standard MC4 interface for straightforward plug-and-play setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The AeternaSol 400W 12V N-Type panel suits homeowners, vanlifers, marine users, and off-grid electricians who need compact high-output modules with rugged weatherproofing and superior cell technology. Pick this panel if you want higher energy per square meter, minimal night drain, robust connections, and installation-ready interfaces for small to medium solar systems.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this panel be used with a 12V battery bank?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The AeternaSol 400W 12V N-Type panel is compatible with 12V battery systems when paired with an appropriate charge controller.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the junction box waterproof for outdoor installations?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The junction box is sealed with polyurethane and rated IP68 to resist dust and water ingress.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AeternaSol","offers":[{"title":"Default Title","offer_id":56801839710548,"sku":"B0GCSN7GQ3","price":400.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/aeternasol-front-packaging.jpg?v=1786750739","url":"https:\/\/gardenluxe.co.uk\/products\/aeternasol-400w-solar-panel-12v-n-type-18bb-25-high-efficiency-rugged-ip68-frame","provider":"Gardenluxe Uk","version":"1.0","type":"link"}