170W 20V 8.5A Laptop Notebook Power Adapter For Lenovo Big Square USB

1. Power: 170W
2. Input voltage: 100V-240V
3. Output voltage: 20V 8.5A
4. Interface: Big Square USB
5. For Lenovo ThinkPad W540 W550s E440 E450 E555 L450 S431 S440 S531 S540 T540p X240 X250 Ideapad Y720-15IKB
6. For P/N: ADL170NLC2A 45N0372 45N0734 45N0487 45N0514 ADL170NLC3A ADL170NDC3A ADL170NCC3A SK90B200850