Duracell multi-purpose alkaline batteries are ideal for reliably powering everyday devices that require a kick of additional power. Duracell alkaline batteries are available in size AA, AAA, C, D and 9V. Duralock technology keeps unused Duracell batteries fresh and powered up to 5 years in ambient storage. These batteries give you the freedom to enjoy the use of your appliances by giving you a product you can rely on. Long lasting power guaranteed. Best used when you are looking for reliable, long-lasting power in your every day devices such as motorised toys, flashlights, portable games consoles, remote controls, etc. 9V size battery. Also known as MN-1604, MN1604. Pack of 2.