Bay Valley PartsReplacement Battery for Dell Studio 1745,1747,1749 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 Dell M905P W080P notebook laptop battery Dell 0W077P A3582354 A3582355 notebook laptop battery