The Varta RECHARGE ACCU Power AAA with 550mAh capacity is ready to use straight out of the pack and is the best choice for your standard devices. With its very low self-discharge and no memory effect, the battery fits perfectly in all your devices such as digital cameras, LED flashlights, wall clocks, alarm clocks, baby monitors, game controllers and MP3 players. The battery is compatible with all chargers and devices.