Dell M916K - 14.8V 8-Cell Lithium-Ion Replacement Battery for Dell Studio 1440, 1440n, 1440z, 14z, 14zn Retail $104.43
Dell K903K - 14.8V 8-Cell Lithium-Ion Replacement Battery for Dell Studio 1440, 1440n, 1440z, 14z, 14zn Retail $104.43