Amazon.com: PWR+ Standard Power Cable for Lenovo 0B47046 0B47048 Tip Adapter Connector Converter for Lenovo Thinkpad Round 7.7mm to Slim Square Yoga Ideapad Dongle: ADLX45NCC2A ADLX45NLC3A Laptop AC Charger : Electronics
Amazon.com: 90W Square Tip AC Charger Compatible with Lenovo Yoga 730-15 720-15 IKB IWL Laptop Power Adapter Supply Cord : Electronics