Amazon.com: yan AC Adapter Power Supply Charger for Lenovo G50 G50-30 G50-45 G50-70 G50-70m : Electronics
Amazon.com: Lenovo Thinkpad B40 B50 N40 N50 G50-30 G50-45 G50-70M Laptop AC Adapter Charger Power Cord : Electronics
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UPBRIGHT NEW AC/DC Adapter For Lenovo G50-30 G50-70 Series Notebook PC Laptop Battery Charger Power Supply Cord Cable Input: 100 - 240 VAC Worldwide Use Mains PSU - Walmart.com
Lenovo G50-30 (80G0) original ac-adapter 45 Watt - sparepartworld.com