AA batteries are also known as Double A batteries. It has some other technical names among which LR6 is the most popular. AA size battery comes cylindrical. These are the most. Commonly known as Tripple-A batteries, AAA batteries are smaller in size than AA batteries. The other technical terms for AAA batteries include R03, AM4, MN2400, SP/out, mic, KR03, etc. Like AA batteries, AAA batteries are also cylindrical. These are also common in stores. A23 is another type of cylindrical battery that offers a greater nominal voltage (12V). These are Dry-cells that are made by combining eight LR932 cells. Only alkaline batteries are manufactured in A23 battery size and are rechargeable and disposable. The other technical terms. Often called Quadruple-A batteries, AAAA size variants are also cylindrical, but much slimmer in size than AA and AAA sizes. These batteries are also. Commonly known as R14 battery, C battery is another cylindrical battery. It is larger than AA and AAA sizes. C batteries are the standard size for.