Fit Brand: Lenovo Cells QTY: 08 Cell Voltage (V): 14.4V Capacity: 5200mAh Color: Black Weight: 400g Dimension size: 29.3*10.1*2.1cm Power Module type: Li - ion Lithium - ion Power Module Model number(rechargeable Power Module code): 42T4564, FRU42T4657, 43R9256 FRU42T4658, 43R9257, ASM 42T4565 Compatible models(computer): ThinkPad X200 Tablet ThinkPad X200t ThinkPad X201 Tablet ThinkPad X201t