Bay Valley Parts 6-Cell 11.1V 5200mAh New Replacement Laptop Battery for DELL:Vostro 3400,Vostro 3500,Vostro 3700 Battery Type: 6 Cells Li-ion Capacity: 11.1V 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 Dell This product is CE & RoHS certified, so BUY WITH CONFIDENCE!!!