Duracell specialty 2032 lithium coin batteries are made of high-purity lithium with 50 percent more power (vs. the minimum average duration for the FOB IEC Standard Test CR2032 lithium coin. Results may vary by device and usage pattern for your particular device They have 10 years of in-storage assurance with Duralock power protected technology so you can trust that these lithium coin batteries will be ready when you need them. To help ensure the safety of children, they need to Safety Pack is designed with a Tamper-proof pack with a double blister so that it is impossible for the child to open without scissors.