10pcs / 20Pcs 364 LR621 Button Batteries with Stable Voltages for Watches and Gadgets Electronic Device Cell

With easy installation that do not require any professional tool, our 364 / LR621 batteries provide a solution to keep your gadgets running smoothly Suitable for watch enthusiasts who cherish their timepieces and toy collectors look for consistent power to bring their electronic to life These 1.55V coin batteries stable output voltages and easy installation the longevity and reliability of our 364 / LR621 button cell batteries, perfectly for ensuring your watches and toy are always power Whether replacing a watch battery or in a toy store ensuring products work perfectly, these button cells are for convenience and efficiency