Duracell Simply alkaline AA batteries - quality guaranteed (great value vs other Duracell alkaline, based on recommended retail price when not on promotion). Duracell Simply batteries range offers renowned Duracell power, performance and reliability at a price that's affordable. They're great for many of the devices you use on a daily basis in your home, best used in low to moderate drain devices (radios, remotes, clocks). Duracell Simply batteries are available in sizes AA and AAA.