Energizer Power Plus range are rechargeable batteries that have good high-capacity and are suitable for regular use in everyday power-hungry devices. This Energizer 2000 mAh AA Power Plus rechargeable battery is pre-charged and will stay charged when not in use - this means it is always ready when you need power. They are perfect for high-drain devices such as digital cameras handheld GPS, MP3 players, and electronic games. These can be used anywhere AA batteries are used.