Alkaline Batterij AA 1.5 V 4-Blister Energizer© Max Plus¢ is their longest-lasting alkaline battery and the worlds first AA battery made with recycled batteries. Today, it contains 4% by total weight (which is nearly 10% of a key active ingredient). Its another step in the journey to bring performance and responsibility to the world - that's positivenergy!¢ Hold power for up to 12 years in storage.