The 90W 20V 4.5A Laptop Adapter Charger is a high-quality replacement power adapter for Lenovo IdeaPad G570, G580, and G770 laptops. It offers a reliable power supply with an output voltage of 20V and an output current of 4.5A. The charger is CE certified and comes with free shipping and a discounted price. The package includes the power adapter with an EU plug and a 12-month warranty.