The DC power supply is specifically designed for use with the Inogen One G2. It powers the Inogen One G2 concentrator and charges the battery (if attached) when connected to an auxiliary DC power source. Charge the unit from anywhere, including a car, boat or RV.

*FEATURES*
-Charges Inogen battery when plugged into a DC power source
-LED Indicator Light
-Works in most vehicles, boats or RVs