Replacement 6 Cell 11.1v 4400mah Battery Pack for Gateway Laptop Computer: Nv52 Nv53 Nv54 Nv56 Nv58 Nv59 Replacement battery for AK.006BT.025 AS09A31 AS09A36 AS09A41 AS09A51 AS09A56 AS09A61 AS09A70 AS09A71 AS09A73 AS09A75 AS09A90 BT.00603.076 BT.00605.036 BT-00603-076 L09M6Y21 L09S6Y21 MS2274 6cells/11.1V/4400MAH,Li-ion Battery Product Type: Replacement Battery (Brand New) || Condition: New, 1 year warranty! It's our responsibility to guarantee the quality of products. It's our purpose to provide better service.