Specifications:

• Warranty: 1 years
• Type: Li-Ion
• Package: Yes
• Model Number: LENOVO ThinkPad X220 X220i 42T4901 42T4940 42T4942 ASM 42T4862
• Label Capacity: 5200mAh
• Conditions: Brand , works as Genuine Parts, 100% OEM Compatible
• Condition: Brand
• Compatible Brand: Lenovo
• Color: Black
• Certified: CE FCC RHOS
• Brand Name: HSW
• Battery Voltage: 11.1V
• Battery Cells: 6 Cells
• Battery Capacity: 4001 - 5000 MAh
• Actual Capacity: 4400mAh