Package Dimensions‎28.3 x 22.2 x 3.4 cm; 308.2 GramsBatteries‎1 Lithium Ion batteries required. (included)Item model number‎LDOBT6C4483Compatible Devices‎Latitude E4310, Latitude E4320Mounting Hardware‎Warranty Card, Lapcare Battery, Product ManualNumber of items‎1Voltage‎11.1 Volts (DC)Batteries Included‎YesBatteries Required‎YesBattery Capacity‎4000 Milliamp HoursBattery cell composition‎Lithium IonWeight‎350 g4000 mAh Capacity battery, 6 cells, Voltage:11.1vCompatible with Latitude E4310, Latitude E4320