what battery do i use first with my portable oxygen concentrator easy pulse model
In The Package. For a limited time all SimplyGo Bundles include a FREE Fingertip Pulse Oximeter! SimplyGo Portable Oxygen Concentrator, Carrying Case, Rechargeable Battery, Mobile Cart, DC Power Cord, AC Power Cord, Accessory Bag, 10 Nasal Cannulas, 5-Year Manufacturer's Warranty, and Printed User Guide.