The AA battery is a standard size single cell cylindrical dry battery. The IEC 60086 system calls it size R6, and ANSI C18 calls it size 15.[1] It is named UM-3 by JIS of Japan.[2] Historically, it is known as D14 (standard cell) or HP7 (for zinc chloride 'high power' version) in official documentation in the United Kingdom.it had been in use in flashlights and electrical novelties before formal standardization.

 

Common use names 

• 2006 (VERTA)

• M15F (U.S.A) DURACELL

• AM- 3 (JIS)