ARYA Go 16 Cell Battery help walking the Perfect Sleep Chair makes Color:Candy Apple Red the Perfect Sleep Chair makes no compromises when it comes to quality 12 oz Estimated Run Time Up to ~13 hours per pair of batteries at lower settings (varies by use) Charging Time About 3 hours with AC or DC power supply Built in Meter Yes — battery level indicator Quick Release Yes — simple swap in out Slip Resistant Pads Yes FAA Approved Yes — follow airline battery rules and carry on limits Warranty 1 Year limited manufacturer warranty Compatible Models Inogen One® G5 and Inogen Rove 6™ Simple How To you can effortlessly charge your ARYA Go 16 cell battery on the go The AC power supply is ideal for recharging your battery while spending quality time with loved ones