Energizer E300130700 EcoAdvanced Alkaline AA Batteries Energizer NEW Alkaline Range! EcoAdvanced AA and AAA batteries are Energizer s highest performing, most responsible alkaline batteries. Now enjoy performance for your most critical devices, while creating less impact on the planet. Energizer EcoAdvanced creates less impact on the planet by requiring less mining of virgin material and reducing the amount of batteries consumers need to power their devices resulting in less waste. EcoAdvanced is Energizer s longest-lasting alkaline battery and the world s first AA battery made with recycled batteries. Today, it contains 4% by total weight (which is nearly 10% of a key active ingredient).