11.10V,2200mAh,Li-ion,Hi-quality Replacement UMPC, NetBook & MID Battery for Dell Latitude 2100, Latitude 2110, Latitude 2120, This battery can replace the following part numbers of Dell: 00R271, 312-0229, 451-11040, 451-11456, 453-10041, F079N, J017 Voltage: 11.10V ///Capacity: 2200mAh Battery Type: Li-ion///Color: Black Dimension: 203.90 x 38.65 x 23.10 mm///Weight: 352.50 g