Energizer Batteries AA Batteries 4 Pack Carded all purpose batteries. The world's number one brand. Top batteries have been engineered to deliver just the right level of power for most of your household needs. Many of the devices you use in your home are powered most efficiently by 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 Energizer AA Alkaline batteries. Not rechargeable. Please dispose of properly.