Duracell Plus Power D batteries – long lasting power guaranteed. These multi-purpose batteries are ideal for reliably powering everyday devices. Duracell Plus Power batteries give you the freedom to enjoy the use of your appliances by giving you a product you can rely on. The Duracell Plus Power batteries are best used when you are looking for reliable, long-lasting power in your every-day devices such as motorized toys, flashlights, portable games consoles, remote controls, CD players, etc. Duralock technology keeps unused Duracell batteries fresh and powered for up to 10 years in ambient storage.