Bay Valley Parts 6-Cell 11.1V 3800mAh New Replacement Laptop Battery for DELL:0PU501,0PU536,0UM178 Battery Type: 6 Cells Li-ion Capacity: 11.1V 3800mAh 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 for DELL:0PU501,0PU536,0UM178 This product is CE & RoHS certified, so BUY WITH CONFIDENCE!!!