Lenovo G70-70 (80HW) original ac-adapter 45 Watt - sparepartworld.com
Lenovo G70-80 - disassemble [4K] - YouTube
Laptop Dc Jack Power Cable Socket Connector Port Plug Charging Cable For Lenovo G70-70 80hw G70-80 80ff Z70-80 80fg - Pc Hardware Cables & Adapters - AliExpress