The Sony CR2025 is a lithium button cell that is built to power small, compact devices. With a high density, low drain, and higher capacities than other button cell chemistries, a lithium coin cell is ideal for watches, calculators, small electronic toys, glucometers, and keyless remote entry systems for cars and homes. Not to mention, that this listing for the CR2025 comes in a pack of 5, and with the shelf-life of the batteries lasting 4-6 years, you will always have a back-up battery ready-to-go whenever you need it.
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