The Edan 21.21.064149 is a medical-grade rechargeable lithium-ion battery pack engineered to provide dependable backup and portable power for compatible Edan diagnostic equipment. Featuring a 2200mAh capacity, this power source ensures uninterrupted patient monitoring and data collection during transport or unexpected facility power failures. Built with premium cells and internal safety circuitry, it maintains stable voltage regulation and guards against short circuits, ensuring long-term operational readiness across busy healthcare clinical settings.