Airsep Freestyle Portable Concentrator Battery Belt Pack

Power: AC Power Supply: 100 – 240 VAC (1.0 amp at 120 VAC)
DC Power Supply: 11-16 VDC (6.0 amps max at 13.5 VDC nominal)
FreeStyle Unit: 28 W nominal at 3 LPM
Battery duration: 3 setting - 2 hours; 2 setting - 2.5 hours; 1 setting - 3.5 hours
Optional AirBelt when combined with the internal battery: 3 setting - 5 hours; 2 setting - 6 hours; 1 setting - 10 hours
Battery recharge time: 3.5 hours
Optional AirBelt: 3 hours
Warm-up time: 2 minutes
Battery cycle life: Approximately 300 cycles, then 80% capacity or below
Three Year warranty
The battery belt adjust to fit waist sizes from 22" to 48"