EXTRA LIFE. EXTRA POWER. Duracells most groundbreaking innovation yetour longest-lasting Double A battery provides extra life in some devices like Xbox controllers, TV remotes, and smoke detectors, and extra power in others like power screwdrivers, battery toothbrushes, and flashlights. LEAK PROTECTION. Our most efficient battery yet comes in a new closure that provides quality and leakage protections to shield your devices. RESEALABLE PACKAGE. We took your feedback and redesigned our easy-seal pack for maximum convenience and safer storage. VERSATILE & POWERFUL. Compatible with any AA battery-operated device, and also available in AAA batteries. UP TO 10 YEARS OF POWER. Holds power up to a decade in storage for trustworthy backup energy, so youre always prepared.