Recycled battery innovation comes to Energizer Recharge batteries. Energizer AA 2300mAh Recharge Extreme NiMH Rechargeable Batteries deliver long-lasting power for digital cameras and a wide range of other devices. Batteries come pre-charged, can be charged hundreds of times and charge lasts up to 12 months in storage. Up to 5-year battery life of total usable life under typical usage patterns. Energizer: The World's #1 recharge brand, according to market survey data.