90w 20v 4.5a 5.5*2.5mm Ac Laptop Power Supply Charger Adapter For Lenovo G480 G485 G560 G560e G565 G570 G575 G580 G585 G780 Z510 - Laptop Adapter - AliExpress
20V 4.5A 5.5*2.5mm For Lenovo IdeaPad G570 G580 G770 Laptop Adapter Charger 15.6-Inch G Series Notebook Power Supply
65W 20V 3.25A Laptop Charger Adapter Power Supply for Lenovo G570 B570 B575 G575 - Walmart.com
Usmart New AC Power Adapter Laptop Charger For Lenovo G570 4334EAU Laptop Notebook Ultrabook Chromebook PC Power Supply Cord 3 years warranty - Walmart.com