Battery size: A23. Type: Alkaline. Expiration date: 2025/08. Other designations: 23GA / E23A/ GP23A / K23A / L1028 / LR23A / LRV08 / LRVO8 / MN21 / MS21 / V23 / V23GA / VR22. Weight (of one battery): 13 g (0.02 lbs) Made in China.
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