The Duracell MN9100B2PK 12V Medical Battery is a reliable and durable power source designed specifically for medical devices. With a voltage of 12V and an amp hours of 1.5 Ah, these alkaline batteries provide consistent and long-lasting energy for your medical equipment. The 2 pack ensures that you have a backup battery on hand in case of emergencies, making it a practical and essential choice for those who rely on medical devices for their daily needs.