Question: what is the difference between duracell and energizer batteries?
Answer: Rechargeable AA batteries Both companies's batteries are NiMH; the Duracells are 2000 mAh and the Energizer batteries are 2200 mAh. mAh stands for milliampere-hours, which is a unit of electric charge. Higher is usually better but the battery life findings were contrary to the listed mAh ratings of the batteries.