Don't 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. 1 battery per package. Other Names: 23AE, P23GA, VA23A, V23GA, MN21, EL12, VR22, L1028, LR23A, CN23A, GP23AE, a23s.