How do AA batteries work

AA batteries are a dry cell-type battery, which is commonly used in portable electronic devices. It is made from non toxic chemicals. This is most popular premium general purpose battery.  This was standardized by ANSI in 1947. It is composed of single electrochemical cell. The dimension measures 51mm in length, 13.5-14.5 mm in diameter. Some of these batteries have insulation around their negative terminals than others. The capacity of AA batteries varies with the technology used. Nickel-cadmium (Nicd or Nicad) AAs with a capacity of 500 to 1100 mAh are available, cost increasing with capacity.
It provides power for longer period than AAA batteries, because their larger size allows them to store a greater mass of anode material which is consumed as it does electrical work. This is similar to, and interchangeable with zinc, carbon leclanche cells but with as much as double the energy density. This is four times the capacity of a equivalent size rechargeable nickel cadmium or nickel metal hydride cells. This battery is suitable for high drain rate applications and also good shelf life. This is leakage than leclanche cells.
This battery is better for low temperature performance than zinc carbon and also continues to function in sub-zero temperature. It is suitable for wide range of consumer applications. It is used in premium products, toys, remote controls, flashlights, clocks and consumer applications. RAM cells can also be interchanged with standard alkaline cells (but not mixed in same applications).AA batteries are more cost effective because of the longer life.

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