<human>:  What are the differences between alkaline and battery-operated AA batteries?
<bot>: Alkaline batteries are a type of non-rechargeable battery designed to provide a steady and reliable source of energy. They are usually composed of a high-drain alkaline mixture, usually manganese dioxide, zinc, and a variety of other additives. These batteries generally have a long shelf life and can last up to 8x longer than regular carbon-zinc batteries. 2Battery-operated AA batteries, on the other hand, are rechargeable batteries, usually composed of a high-drain lithium-ion or nickel-metal hydride mixture. They are designed to be recharged and reused, up to 1,200 or more times, depending on the mAh rating. Battery-operated AA batteries often come with a higher price tag, but they ultimately save money in the long run since they can be recharged and reused.