This is a Brand New GATEWAY Original Product - Secondary Bay Li-Ion battery. Restore your computers original battery life with a fresh replacement battery. Enjoy the running time you had when your computer was new. This powerful secondary bay replacement battery is built with the highest quality Li-Ion cells. Dell Part Numbers: 6500708, 6500651, 3UF103450P-2-QC-18. Comaptible Gateway : Solo 600, 600YG2, 600YGR, M600, 450, 450RGH, 450ROG and 450SX4. Product Specifications: Rating:11.1 Volts Capacity: 3400mAh Color: Gray Technology: Lit-Ion Condition: Brand New In Stock: Yes