This is a four pack of AA Ultra 1.5V Alkaline Coppertop Batteries from Buracell. This is Duracell's best battery for Photo/Electronic devices. It has been specially formulated to meet the increasing power demands of high power devices such as digital and flash cameras, remote control toys and halogen flashlights. If you press the white circles on each side of the battery, you'll see how much juice is left within the battery.