Battery size: V23GA. Type: Alkaline. Other designations: 23A, 23AE, 23GA, A23, E23A, GP23A, K23A, L1028, LR23A, LRV08, LRVO8, MN21, MS21, V23, V23GA, VR22. Weight (of one battery): 10 g (0.022 lbs).
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