This is a hard plastic storage case for CR123A or 18650 size batteries.
Accommodates two or four cells per case depending upon the cell type.
To fit Battery cell size 34 mm x 16.4 mm OR 67 mm x 18 mm
Battery Types (four cells per case): CR123A, 16340, 17335 and LIR123A
Battery Types (two cells per case): 18650
Length: 77.6 mm
Width: 42.4 mm