Replies to @vic83, I found the batteries cheapest on Amazon. I purchased an extra one just to allow…

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Lung Health | Last Active: Jun 18 9:25am | Replies (47)

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@connibar

@vic83, I found the batteries cheapest on Amazon. I purchased an extra one just to allow me to be out for a longer period of time.

Replies to "@vic83, I found the batteries cheapest on Amazon. I purchased an extra one just to allow..."

samiam1949 | @samiam1949 | Jun 18 9:25am

And, 2 batteries are required if you fly per airline requirements.