Love this battery! Lasts so much longer than the small one that came with my machine. And, it was delivered the next day! Super service! And It fits in my case that came with the unit, a little tight, but it does go on ok. Very happy!
The FreeStyle Comfort Portable Oxygen Concentrator can be operated by the re-chargeable FreeStyle Comfort 8-cell battery or 16-cell battery. There are no operational limitations of the concentrator when running from the battery pack. All flow rates are available on battery power. The FreeStyle Comfort will recharge the battery pack anytime it is installed in the concentrator and the concentrator is connected to an external AC or DC power source (except on an airplane). Battery is fully charged when it displays 100%. Alternately, the battery pack may be charged using the optional desktop charger. FreeStyle Comfort batteries are designed to last 300 charge/discharge cycles.
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