Zen-O 12 Cell Re-Chargeable Lithium Ion Battery

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This 12 cell re-chargeable lithium ion battery will power your Zen-O™ Portable Oxygen Concentrator. Each battery lasts for 4 hours on a single charge.

-Battery Duration Pulse Flow: 4 hours at setting 2.
-Battery Duration Continuous Flow: 0.75 hours at setting 2.
-Battery Recharge Time While In Use Pulse Flow: 3 hours.
-Battery Recharge Time While In Use Continuous Flow: 3 to 4.5 hours.