Do not let the fun run out with the Sexy Battery LR23 Box of 10. This is a 12V xtra endurance alkaline battery. Cylindrical shape. Size 28mm, diameter 10mm e or approximately 1.1 inches by .39 inch. 1 battery per package. Other names: 23AE, P23GA, VA23A, V23GA, MN21, EL12, VR22, L1028, LR23A, CN23A, GP23AE, A23s. Battery does not contain Mercury or Cadmium.