CAIRE FreeStyle™ Comfort Portable Oxygen Concentrator Battery

Overview

The FreeStyle™ Comfort Battery is a portable power option designed for use with the Caire FreeStyle™ Comfort portable oxygen concentrator. It gives you dependable backup power so you can stay out longer without worrying about finding an outlet right away. With support for all pulse‑flow settings, the battery keeps your concentrator running normally when you’re on the move.

The 8‑cell battery pack provides up to 8 hours of power at setting 2, while the 16‑cell pack offers up to 16 hours at the same setting. The clear on‑screen display shows charge status and estimated run time, helping you plan your day with confidence and fewer interruptions.

Key Features

• Supports all pulse‑flow settings — maintain your usual activity level without restrictions.
• Two battery size options — choose up to 8 or 16 hours of use at setting 2.
• In‑unit recharging — charges while installed when the concentrator is connected to external power.
• Optional desktop charging — adds flexibility when you need a separate charging method.
• On‑screen battery status — view charge level and estimated remaining time at a glance.
• Quick click‑in installation — secure, simple design for fast battery changes.

Battery Operating Duration

When external AC or DC power is disconnected, the concentrator will automatically switch over to using battery power if a charged battery is installed. The table below shows the typical durations for a new battery pack. Battery pack durations will remain constant regardless of your breath rate.