9-CELL Replace Battery For Dell Studio 17 1749 1747 N855P N856P A3582354 A3582355 Voltage: 11.10V///Capacity: 6600mAh Battery Type: Li-ion///Color: Black Dimension: 340.40 x 50.00 x 37.90 mm///Weight: 413.30 g Condition: New, 1 year warranty! Battery For Dell Studio 17 1749 1747 N855P N856P A3582354 A3582355