Bay Valley Parts 9-Cell 11.1V 7800mAh New Replacement Laptop Battery for LENOVO:ThinkPad X220 ThinkPad X220i Battery Type: 9 Cells Li-ion Capacity: 11.1V 7800mAh 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 LENOVO:ThinkPad X220,ThinkPad X220i This product is CE & RoHS certified, so BUY WITH CONFIDENCE!!!