This rechargeable battery is designed for your iGO2 portable concentrator, ensuring reliable power and long-lasting performance. With its high-capacity cells, you can enjoy extended usage time without frequent recharging. The battery is constructed with safety features to prevent overcharging, overheating, and short-circuiting, providing peace of mind during operation. Lightweight and compact, it's easy to carry as a spare or replacement battery. Maximize your device's portability and productivity with this essential power solution.