11.10V 7200mAh Li-ion Hi-quality Replacement Laptop Battery for Dell Studio 14 Studio 1450 Studio 1457 Studio 1458 This laptop battery can replace the following part numbers of Dell: 0U600P 0W360P 312-4000 312-4009 N998P P219P U597P W356P W358P Voltage: 11.10V ///Capacity: 7200mAh Battery Type: Li-ion///Color: Black Dimension: 272.70 x 60.40 x 39.50 mm///Weight: 551.80 g