Battery AAA refers to a specific size and type of battery commonly used in various electronic devices. The term "AAA" is an abbreviation for "Triple-A," which indicates the size and shape of the battery.
AAA batteries are cylindrical in shape and have a standardized diameter of approximately 10.5 millimeters (0.41 inches) and a length of about 44.5 millimeters (1.75 inches). They are commonly used in smaller portable electronic devices such as remote controls, digital cameras, flashlights, toys, and many other household gadgets.
AAA batteries are typically classified as alkaline batteries, although they are also available in other chemistries such as lithium-ion, nickel-metal hydride (NiMH), and rechargeable variants.