1.Output power: 2400W for P2001 Plus, while 2000W for P2001. 2.AC Input: 1800W Super-fast Charging for P2001 Plus, while 1100W for P2001. 3.Charging adjust knob: 400W/800W/1200W/1800W for P2001 Plus, while P2001 do not have. 4.UPS: 2000W UPS power for P2001 Plus, while 1100W for P2001. 5.App Control: P2001 Plus supports Bluetooth and WiFi, while P2001 do not have. 6.P2001 Plus has lower noise level <50dB.