Specification: Battery type: Li-Polymer Voltage: 14.8V Capacity: 58Wh Cell:8 Cells recharge cycles: 500 Operation time: Around 1-2.5hours Replace Part Number: F7HVR 062VNH G4YJM T2T3J Fit for: For Dell Inspiron 15 7537 Series For Dell Insprion 17 7737 Series.