Amazon.com: New Laptop Charger 90W watt Slim Square tip AC Power Adapter(Power Supply) with Power Cord Compatible/Replacement for Lenovo ThinkPad Yoga : Electronics
Amazon.com: New P50 P51 P70 170W Power AC Charger Replacement for Lenovo Thinkpad W540 W541 E440 E450 E555 S431,fit Legion 4X20E50574 ADL170NLC2A Laptop [20V 8.5A] : Electronics