Bay Valley PartsReplacement Battery for Dell Studio 1735, Studio 1737,Studio 1736,Studio 17 Battery Type: 9 Cells Li-ion Capacity: 11.1V 7200mAh Color: Black Weight: 19oz 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 This product is CE & RoHS certified, so BUY WITH CONFIDENCE!!!