Duracell high power lithium CR2 batteries are made with high purity lithium, ensuring long-lasting energy. Results may vary depending on the device and usage patterns in your smart home devices (sensors, smart locks, smoke detectors), camera flash, flashlights, bicycle accessories, and electronic dog collars. They have up to a 10-year storage guarantee with Duralock Power Preserve technology, so you can be confident that these lithium batteries will be ready when you need them.
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