Bay Valley Parts 6-Cell 10.8V 5200mAh New Replacement Laptop Battery for eMachines E528,eMachines E728 Battery Type: 6 Cells Li-ion Capacity: 10.8V 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 for eMachines E528,eMachines E728 This product is CE & RoHS certified, so BUY WITH CONFIDENCE!!!