Say hello to the OxLife Liberty 2 Portable Oxygen Concentrator DC Power Supply – your ultimate travel companion, designed to work with your OxLife Liberty 2 concentrator. This is a must have accessory if you plan on leaving the house, specifically so you can preserve your battery life for when you're away from a power source, or in the event you've stayed out a little longer than expected and your Liberty 2 battery is starting to run low. The DC power supply helps restore a level of peace of mind knowing as long as you have access to your vehicle's cigarette lighter outlet and the engine is running, you have a power source and a way to recharge your Oxlife Liberty 2 battery at any time. Whether you're cruising the open road or embarking on a road trip, this power cord ensures that your OxLife Liberty 2 concentrator is ready to support you wherever your wanderlust takes you. Thanks to its compact design and lack of a bulky power brick, you can seamlessly store your DC power cord in your glove box or center console or easily transport it in the Liberty 2 accessory bag.