Trina Solar Vertex S+ TSM-425NE09RC.05 425W Black on Black 144 Half-Cell Bifacial Solar PanelDocumentsData Sheet (Created 4/27/2023)Disclaimer: While we strive to keep our item documents updated, item documents may have been updated by our manufacturers. Please note the date the document was created - for the most up-to-date item details, please refer to the manufacturer's website.WarrantyTrina Solar Vertex S+ Solar Panel WarrantyTrina guarantees their module output to be at or above its nameplate wattage - refer to the warranty details and the product description for the length of their product & power output warranty.