Detailed Product Description Laptop battery f. Lenovo E100 Seriesdetailed description : Color: Silver Type: Li-ionVoltage: 14.8V Capacity: 4400/4800mAh Fit models: LENOVO E100 Series laptop battery Part No.: 4CGR18650A2-MSL, 4CGR18650A2-SMP, 442675900001, 442673500001, 442673500002