Two BT023-1 Focus Micro Batteries are supplied with each AirSep Focus Oxygen Concentrator. Many patients chose to purchase additional batteries for extended excursion times. Each battery lasts 1.5 hours on a Setting of 2. Connection to AC or DC Power will recharge the battery.
This pack comes the battery by itself, without the case or connecting power cord to the unit. To buy the Focus Battery Cord, please click HERE. (They come standard with the unit).