Super Power Supply&reg; DC Laptop Car Adapter Charger Cord with USB charging port for Lenovo ThinkPad L540 Type 20AV; T440 Type 20B6, 20B7; T431s Type 20AA; T440p Type 20AN, 20AW; T440s Type 20AQ, 20AR; T540p Type 20BE Netbook Notebook Battery Plug