The Single OxyGo #1400-1010-8 8-Cell Battery 6.4Ah / 92Wh Inogen G3 (BA-300) is a high-quality battery designed specifically for the Inogen G3 portable oxygen concentrator. With a capacity of 6.4 Amp hours and a voltage of 14.4V, this battery provides reliable power for extended use. Made with Li-Ion chemical composition, it offers durability and long-lasting performance. Perfect for keeping your oxygen concentrator running smoothly, this machine-specific battery is a reliable choice for those in need of portable oxygen therapy.