This is an additional standard (single) battery for the SimplyGo Mini Portable Oxygen Concentrator which comes with one battery. This additional Standard Lithium Ion Battery will last 4.5 hours on a setting of 2 and recharges in about 4 hours. Its small size, at just 7.9" x 3.6" x 1" make it easily fit into your carry case, accessory case or backpack case. The battery can be charged with an AC or DC power source (both included with the SimplyGo Mini) or by using the SimplyGo Mini External Battery Charger (sold separately).
Inogen One G3 Double (16 Cell) Battery
Inogen One G3 External Battery Charger with Power Supply
Inogen One G3 Single (8 Cell) Battery
Inogen One G4 4 Cell (Single) Battery
Inogen One G4 8 Cell (Double) Battery