Alkaline Batteries

 The AA batteries come in blister-packages of two four and eight pieces, while the AAA Batteries come in blister-packages of two or four pieces.  The  C, D and N size batteries come in two pieces blister package.  The  9V battery  come only in  one  piece  blister  package. By SANYO have an option to buy the AA cells in 2 or 20 pieces bulk foil package too. The AAA version have only the 2 bulk foil package version.