Energizer Ultimate Lithium AA Battery (4) For the devices you can’t live without, rely on the latest Energizer® Ultimate Lithium Batteries – proven to be the world’s longest-lasting AA & AAA batteries in high-tech devices. Quick facts: • World’s longest-lasting AA battery in high-tech devices • Last up to 9x longer in digital cameras (versus Energizer® MAX®, results vary by camera) • Weigh 1/3 less than standard alkaline batteries • Perform in extreme temperatures from -40°F to 140°F • Hold power for 20 years in storage • Leak-proof construction