Energizer EcoAdvanced, the world’s 1st AA battery made with 4% recycled batteries, responsibly powers the devices you rely on most. The longest-lasting alkaline in the Energizer battery family, Energizer EcoAdvanced gives life to old batteries using breakthrough recycling technology that transforms used battery material into high-performance energy. Energizer EcoAdvanced holds power for up to 12 years in storage, ensuring your memory-making moments are always fully powered.