HP Spectre 13-V Pro 13 G1 Series HSTNN-IB7J 7.7V 38Wh 4950mAh 4-Cell SO04XL Li-ion Rechargeable Laptop Battery.
Battery Voltage: 7.7V
Battery Watt-Hour (Wh): 38Wh
Battery Capacity (mAh/Ah): 4950mAh
Battery Number of Cells: 4
Battery Type: SO04XL, Li-ion
Color: Black
Type: Laptop Battery