Energizer 1620 3v Lithium 1 Battery sold per qty of 1. Energizer 1620 3V Lithium Coin Battery for Heart-Rate Monitors, Keyless Entry, Glucose Monitors, Toys and Games- Watch Battery    Compatible: Specifications: Chemistry: Lithium Voltage: 3V Dimensions: 16 mm x 2 mm Packaging: On a Card Brand: Energizer Part#: ECR1620BP Qty: 1 Features: High Energy & Continuous Voltage Supply Long shelf Life (up to 10 years) Ideal Temperature Resistance Superior Storage capacity Ideal for the following applications: Watches Pagers Calculators Lights...