Set of 4 AA batteries edition of Power Accu designed to supply all the energy hungry devices (remote controls, wireless game controllers, digital cameras, etc.). Battery use Nickel-metal hydride technologyWhose advantages over conventional batteries lies in high capacity and very low self-discharge. The batteries are rechargeable, so you can use a compatible charger repeatedly. Conventional rechargeable batteries during disuse loses its capacity. These batteries, however, are endowed with unique technology VARTA Ready2UseThat this annoying phenomenon and minimizes battery even after storage retains 80% of its original capacity. After unpacking are immediately ready for use because they are from the factory delivered přednabité.