Duracell CR2016 Lithium Coins 3V, 4 Pieces Dependable & Long-Lasting for Power Medical devices (Glucometer, Heart Rate Monitor) Security (Bank Card Reader) Electronics (Watch, Clock Radio, Pedometer).

【Made with high-purity lithium】with up to 50% more power

【Features】Duracell batteries are multi-purpose alkaline batteries suited for everyday devices

【Child Proof】Tamper-proof pack with double blister so that it is impossible for a child to open without scissors.

【Compatibility】Suitable for use in keyfobs, small remotes, scales, wearables, sensors, medical devices & sports devices

【Sizes】Duracell Coin Button batteries are available in 1220, 1616, 1620, 2016, 2025, 2032, 2430 and 2450 sizes

Duracell Specialty 2016 lithium coin batteries are made with high-purity lithium with up to 50% more power* for your specialty devices. They have up to 10 years of in-storage guarantee with Duralock Power Preserve technology so you can be confident these lithium coin batteries will be ready when you need them.To help ensure the safety of your children, they have been designed with Child Safety pack: Tamper-proof pack with double blister so that it is impossible for a child to open without scissors.They are designed for use in keyfobs, small remotes, scales, wearables, sensors, medical devices (glucometers, digital thermometers), sports devices (heart rate monitor, bike accessories)*vs. IEC standard test minimum average duration for CR1616 Lithium Coins. Results may vary by device and usage patterns.