Get the most from your essential devices with the reliable, long-lasting power you’d expect from Energizer. Stock up on Energizer C alkaline batteries for cameras, torches, remote controls, Bluetooth speakers and toys. These C-size alkaline batteries hold power for up to 7 years while in storage. With Energizer, the power’s ready when you are. The Energizer Alkaline Power range includes AA, AAA, D and 9V batteries, so it’s easy to find reliable power in the size you need.