The Inogen® Rove 6 External Battery Charger is an Inogen Rove 6 battery charger designed for charging the batteries of the Inogen® Rove 6 Portable Oxygen Concentrator separately from the device. It allows users to charge additional batteries while using the concentrator, ensuring continuous oxygen therapy without downtime. Compact and efficient, it is perfect for users who need to maintain multiple charged batteries for extended periods of use.