20V AC Charger Power Supply Adapter Converter Cable Cord for Lenovo ThinkPad T440 T440p T440s T540p, X1 Carbon, X140e, X240 Yellow Square Plug with Pin to 7.9*5.5mm Round Tip DC Jack -
For Lenovo Thinkpad T440s T440P T450s T460s Laptop AC Adapter Charger 65W | eBay
LAPJII Adapter Charger for Lenovo ThinkPad T440,T440-20B6,T440-S20AQ Laptops-20V, 3.25A, USB, 65 W Adapter - LAPJII : Flipkart.com