This single pack Duracell 9V Plus Power battery is perfect for replacing individual batteries in smoke alarms, carbon monoxide detectors, or wireless microphones. The convenient pack of 1 format ensures you have exactly what you need without excess stock, ideal for emergency replacements or specific single-device applications. Powered by Duracell's patented POWER BOOST Actives proprietary technology, this 9V battery delivers up to 100% life guaranteed, providing long-lasting, reliable energy when you need it most. The superior nylon top closure helps prevent leaks, protecting your valuable devices from damage. With 0% plastic, fully recyclable packaging, you're making an environmentally responsible choice. Plus, with up to 10 years storage guaranteed, you can keep a spare battery on hand with complete confidence it will perform when required. Features and Benefits: • Pack of 1 – ideal for single device replacements • Up to 100% life guaranteed for extended performance • Patented POWER BOOST Actives proprietary technology • Superior nylon top closure prevents leaks • 0% plastic, fully recyclable packaging • Up to 10 years storage guaranteed Contents: • 1 x Duracell 9V Plus Power +100% Battery Specifications: Battery Type: 9V (MN1604 - 6LR6) Pack Qty.: 1