Lenovo 45W Z50-75 Z40-75 Z50-70 E10 E31 Laptop Charger AC Adapter Power Supply Cord Lenovo ADLX45DLC3A power supply 45W. This charger is compatible with all the models in the title and description, in addition to many others. Laptop Charger AC Adapter Power Supply with US Plug Power Cable Premium quality laptop charger