Get the most from your essential devices with the reliable, long-lasting power you’d expect from Energizer batteries. Stock up on AAA batteries for gaming controllers and cameras, as well as for lights, remote controls, clocks and toys. Each Energizer Alkaline Power AAA battery holds power for up to 7 years while in storage. With Energizer, the power’s ready when you are. The Energizer Alkaline Power range also includes AA, C, D and 9V batteries, so it’s easy to find reliable power in the size you need.