Specifications: Battery Type: Li-ion Voltage: 15.2V Capacity: 50Wh Color: Black Certificate: CE,RoHS,FCC Condition: 100 Percent New from Manufacturer, Grade A Cell, 12 Months Replace Part Number: 00HW003 00HW002 SB10F46440 SB10F46441 45N1700 45N1701 45N1702 Compatible Laptop/Notebook Models: Lenovo THINKPAD X1 CARBON GEN 3 2015 Series