DescriptionInogen G4 4-Cell BatteryThis Inogen One 4 cell battery gives you up to 2 hours of autonomy using your G4. Considering its power performance, the battery is remarkably small and lightweight. It will easily fit into your bag or purse. If you are looking for a longer battery runtime, consider investing in a 8-cell battery instead. We carry those!Battery Charge time Running time Weight4 cell (BA-400) /- 3 hours up to 2 hours 277 g.8 cell (BA-408) /- 5 hours up to 4 hours 507 g.Manufactured by Inogen.
