Caire Freestyle Comfort 8-Cell Battery for Oxygen Concentrator Accessory

Designed for the Caire FreeStyle Comfort Portable Oxygen Unit Lightweight, rechargeable lithium-ion battery Provides up to 4 hours of use at a setting of 2 Recharges in approximately 3.25 hours Ideal for everyday use, travel, and errands Compact and easy to swap for extended mobility