Use Energizer Recharge Extreme, our most powerful and long-lasting batteries, for your family's daily energy needs. The batteries come pre-charged and ready to use. Each Energizer Recharge Extreme AA battery can be recharged and used up to 500 times. Don't want to use the charged batteries right away? The charge will be retained during storage for up to 12 months. Recharge your batteries with any Energizer Recharge charger to power your most energy-intensive devices, such as digital cameras, portable GPS devices, and wireless gaming systems, for the long term.