Bay Valley Parts 9-Cell 11.1V 7800mAh New Replacement Laptop Battery for SONY:VGP-BPS22,VGP-BPS22A SONY:VAIO VPC-EB31EA/BI,VAIO VPC-EB31EA/PI,VAIO VPC-EB31EA/WI,VAIO VPC-EB31EG/BI 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 SONY This product is CE & RoHS certified, so BUY WITH CONFIDENCE!!!