Fancy Buying&reg; New Extended Replacement Laptop Battery for Dell Studio 17 1735 1737 (Li-ion, 11.1V, 7800mAh,9 cells) with 2 years warranty 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 Dell This product is CE & RoHS certified, so BUY WITH CONFIDENCE!!!