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The Extended 8 Cell Rechargeable Battery for the Inogen G4 Portable Oxygen Concentrator picks up the slack when life gets busy. Unlike the Single Rechargeable Battery for the Inogen G4, which has a max runtime of 2.7 hours, the Extended 8 Cell Battery provides oxygen therapy for a maximum of 5 hours-- 2.3 hours longer than the Single Battery!
The increase in performance doesn't mean much of an increase in weight. The Extended 8 Cell Battery only weighs 1 pound, meaning its easier and less strenuous to carry. This means more time with friends and family, a day at the beach, or an afternoon relaxing.
Manufactured by Inogen.