Bay Valley Parts 6-Cell 11.1V 5200mAh New Replacement Laptop Battery for DELL Latitude E4200,Latitude E4200n DELL:00009,0F586J,0R331H,0R640C,0R839C,0R840C,0R841C,0U444C,0W341C,0W343C,0W346C,0X595C Battery Type: 6 Cells Li-ion Capacity: 11.1V 5200mAh Color: Black Weight: 13oz Using highest quality materials including grade-A brand-new cells Meets and exceeds OEM specifications and lasts longer hours Package Includes: One unit of brand-new replacement laptop battery This product is CE & RoHS certified, so BUY WITH CONFIDENCE!!!