From Duracell's acclaimed Industrial (formerly called Procell) range, these 20 AAA (MN2400) 1.5-volt alkaline batteries offer exceptional performance. Thanks to their advanced manufacture and alkaline chemistry, they're long-lasting and capable of supplying the power requirements of small, high-drain electronic devices such as digital cameras. With a long shelf life, they make excellent spares that you can rely on to perform with barely-diminished power even several years after purchase.