NIO EC7 150kWh Price in USA Starting From USD 79,000 to USD 82,500. NIO EC7 150kWh Comes with AWD 480 kW (653 hp) Motor Power with 230 km/h (143 mph) max speed and Acceleration of 3.8 sec 0-100 km/h. It has 150 kWh Liquid-cooled Li-ion 800V battery. It is available in both AC or DC charging options.