Energizer 9v Lithium

The Energizer® brand is synonymous with world's first innovation and emerging technologies. We're leading and shaping the power and portable lighting categories with a powerful portfolio of groundbreaking products and consumer-led innovation.

Up to 10-year backup battery in AC-powered smoke detectors, and up to 20% longer-lasting in toys versus Energizer MAX®

 The Energizer Ultimate 9-Volt Lithium Battery to providing long-lasting and reliable power to the most important devices in your life. This innovative battery makes an ideal back-up power source for smoke detectors and other vital household objects.