Has anyone used the ResMed RPS II battery? If so, what is your feedback? I want to use it with my S9 for travel, sailing and camping applications. Are there any better options users can suggest? Thanks for any information, Roger Well, I'm responding to my own post after buying and using the ResMed ...

Can anyone elaborate on the cost of a resmed battery backup please? Are they any good? How long do they last for? I recently bought the ResMed RPS II battery for when I'm sailing. It gives two nights sleep (2 x 7 hrs) without recharging and weighs under 1kg. It is the maximum capacity Lithium Ion b...

Has anyone used the ResMed RPS II battery? If so, what is your feedback? I want to use it with my S9 for travel, sailing and camping applications. Are there any better options users can suggest?

Thanks for any information,

Roger