The GP Super Alkaline AAAA is a battery specially developed for devices with a low or average power consumption. Think of: toys, MP3 players and electric toothbrushes: moreover, these batteries have a long service life thanks to a special formula. GP Batteries International Ltd. develops, manufactures and markets batteries and related products. Since being founded in 1964, the company has developed into one of the world's main suppliers of primary and rechargeable batteries.