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AAA battery

AAA batteries are commonly used in small electronic devices, such as TV remote controls, MP3-players and digital cameras. Devices that require the same voltage, but have a higher current draw, are often designed to use larger batteries such as the AA battery type. AA batteries have about three times the capacity of AAA batteries. However, with the increasing efficiency and miniaturization of modern electronics, many devices which previously were designed for AA batteries—remote controls, computer mice, and keyboards—are being replaced by models that accept AAA cells.