The Energizer AA Alkaline Batteries 20-Pack includes 10 batteries per pack, with a total of 20 batteries in the set. These single-use batteries have a voltage of 1.5V and a chemical composition of alkaline. They are ideal for various consumer electronics devices and are especially useful for powering everyday items like toys, remote controls, and small appliances. With the trusted Energizer brand behind them, these batteries provide reliable and long-lasting power for your convenience.