Exxact Parts Solution&reg; DELL Compatible 9-Cell 11.1V 7800mAh EXTENDED New Replacement Laptop Battery for DELL Inspiron 17R (7720),17R (5720) Battery Type: 9 Cells Li-ion Capacity: 11.1V 7800mAh Color: Black 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 for DELL T54FJ - Latitude E5520,E5420,E6420,E6430 This product is CE & RoHS certified, so BUY WITH CONFIDENCE!!!