Zen-O Lite 8 Cell Re-Chargeable Lithium Ion Battery new white attachment which connects to

white attachment which connects to the opening in the middle of the InfinitySeal™ cushion

reducing heat buildup and a 25 degree slope

The Clear-View window lets you easily view the medication level remaining in the cup

The headgear has four points of adjustment

efficiency

Zen-O Lite 8 Cell Re-Chargeable Lithium Ion Battery new white attachment which connects toAll battery purchases are final sale. There are no returns on batteries. This 8 cell re chargeable lithium ion battery will power your Zen O Lite Portable Oxygen Concentrator. Each battery lasts for 4 hours on a single charge. Battery: Lithium Ion 8 Cell. Battery Duration: 4 hours at setting 2.