VEVOR CR2450 Lithium Battery, 20 Count (Pack of 4) Lithium Coin Battery, Non-Mercury and Anti-Swallow Designed, Long Lasting 3V CR 2450 Cell Batteries, for Key Fobs, Glucometers, and Other Devices Long Battery Life Premium Quality Double Protection Safety Instructions Wide Application Safety Instructions Standard Current: 0.4mA,Quantity per Pack: 20 Pieces,Item Model Number: CR2450,Nominal Voltage: 3V,Standard Weight: 6.4 g (per battery),Nominal Capacity: 600mAh,Instantaneous Short-Circuit Current: ≥250mAh,Item Dimensions: Φ 24.5 x 5 mm / Φ 0.96 x 0.20 inch,Open Circuit Voltage: 3.1 to 3.3V,Rechargeable: No,Net Weight: 0.167 kg / 0.37 lbs,Discharge Time: 1680 h (under 7.5KΩ load, at 20–25°C, ending at 2.0V)