The 8 Cell is a rechargeable Lithium-Ion battery for the NT-02 model. It provides portability for your active lifestyle. When you're away from a power source, this battery will keep your concentrator running so that you can stay active longer. An 8-cell battery will give you up to 3.5 hours of battery life, or an extra 16-cell battery to provide 6 hours of battery life. Order yours today! Specifications: Brand: Varon Rechargeable Lithium-Ion Battery for NT-02 Model 8 Cell Battery Duration: Up to 2.5-3.5 hours(Depends on the speed of the oxygen)
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