The Respironics EverGo AC Power Cord is compatible with the Respironics EverGo Portable Oxygen Concentrator SKU 900-000 and SKU 900-002. This power cord runs and recharges the EverGo and can be plugged into any average wall outlet. Note: The Respironics EverGo AC Power Supply 90 watt is sold separately as product SKU 900-105.