CPAP Battery - ResMed  Medi-Pilot-24-2 - New Longest Life Battery! DISCLAIMER: This purchase is NOT for a CPAP/BIPAP device. These are the batteries that power your device for travel or emergency power backup. Medistrom produces the best quality backup power supplies that perform up to the top standards and provide the highest reliability Medistrom battery packs use the highest quality genuine LG lithium ion cells! This Kit will include everything you need to run your ResMed Airsense 10 Series or S9 Series machine on battery power! Built in bright LED light and a USB port. Essential for power outages. Buy From Health Store N More and get ROCKET FAST!!...FREE SAME DAY SHIPPING!!" most every order...SATURDAY shipping too!!