Battery size: 23A. Type: Alkaline. Expiration date: 05/2028. Other designations: 23AE, 23GA, 23A, E23A, GP-23A, GP23A, K23A, L1028, LR23A, LRV08, LRVO8, MN21, MS21, V23, V23GA, VR22. Weight (of one battery): 9.2 g (0.020 lbs) Made in China.
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