Ensure your freedom and mobility last longer with the high-performance BA-300 replacement battery for your Inogen One G3 portable oxygen concentrator. Engineered with premium Japanese battery cells, this 14.4V, 92Wh (6.4Ah) pack delivers up to 4 hours of extended runtime (on setting 2), providing reliable power for outings, appointments, and daily activities. As a direct replacement for model #10400-1010-8, it ensures seamless compatibility and dependable performance to support your active lifestyle.