They are suitable for car keys, calculators, laser pointers, hearing aids, and many other electronic gadgets. Battery size: CR1616. Type: Lithium. Other designations: DL1616, ECR1616, BR1616, 280-209, DL1616B, BR1616-1W, CR1616-1W, KCR1616, LM1616, 5021LC, L11, L28.
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