Dell Main Battery Pack for Laptop - 1 x lithium polymer 3454 mAh.
Dell Slim Power supply (internal) - 240 Watt - for OptiPlex 3010, 390, 790, 990.
Dell USB type C 30 Watt AC power adapter for United Kingdom & Ireland
Intel Core i3-330M 2.13GHz, 2GB RAM, 250GB HDD, 15.6" Screen, DVD+/-RW, LAN, Wi-Fi, Bluetooth, HDMI, Card Reader, Webcam, Windows 7 Home Premium, 1 year warranty.
Lithium-ion batteries are longer lived than conventional batteries and do not require replacement as often. This 6-cell Lithium-ion battery from Dell helps you power up your system for business trips and vacations. With a capacity of 60 WHr this battery lets you work seamlessly when you are on the move.