Duracell AA Batteries 4 Pack Carded all purpose batteries. The world's number one brand. Smart Power Always Copper Top batteries have been engineered to deliver just the right level of power for most of your household needs. And now, you get up to 25% more batteries per pack. Plus, these batteries guaranteed fresh for 7 years. Many of the devices you use in your home are powered most efficiently by Duracell Copper Top batteries, including: sex toy, vibrators, massagers. Or clocks and radios, remote controls, smoke alarms and flashlights. To fit virtually every device out there, 4 pack of Duracell AA Alkaline batteries. Not rechargeable. Please dispose of properly.