Battery type: Li-polymer Capacity: 4730 mAh Voltage: 7.7 V Energy: 36.42 Wh Number of cells: 2 Weight: 132 g Dimensions (length x width x height): 17.9 x 8.1 x 0.7 cm Short-circuit, overcharge and overheating protected Compatible with the following device models: Asus X515JA Asus X515EP Asus X515JAN Asus X515FA Asus X515J Asus X515F Asus X515JF To ensure compatibility, please check to see whether the battery you are currently using is listed below.