Catalog > Consumer Electronics > Batteries and Battery Accessories > Button Cell Button Cell Battery Button Cell Battery V621 1.55V 20mAH Silver-Oxide Button Cell Battery • 6.8ø x 2.15mm Call for Price Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Additional Information Model V621 Electrochemical System Silver-Oxide Nominal Voltage 1.55V Nominal Capacity 20mAH Size 6.8ø x 2.15mm Rechargeable False Usage Watches | Calculators