Duracell offers a wide range of batteries to be used in electronics that require reliable power | Duracell Ultra 9V batteries are alkaline batteries ideal for powering all your devices and have higher performance, longer lasting (vs. ordinary zinc carbon batteries) for high drain devices and are available in sizes C, D and 9V | Duralock technology keeps unused Duracell batteries fresh and powered up to 5 years in ambient storage | These batteries are best Duracell's alkaline proposition for high drain devices, such as digital cameras, photoflash, high powered toys or boomboxes, and of course are great fit for the regularly used devices as motorized toys, flashlights, portable game controllers, shavers, toothbrushes and any other