Energizerreg extreme come pre charged last up to 6x longer in digital cameras versus energizerreg standard alkaline and are made with recycled batteries its another step in our journey to bring performance and responsibility to the worldndashthats positivenergy features benefits our longest lasting rechargeable aa battery qualityndashhold charge for up to 1 year in storage reliablendashup to 5 years useable life responsiblendashmade with recycled batteries results