20pcs/10pcs High Capacity AG1/LR621 Button Cell Power Battery for Electronic Devices

20/10 pack watch batteries provide long lasting power and keep the watch moving with reliable 1.5V energy Built for durability in mind, these AG1/LR621 button batteries boast a leak-proof design and high energy density to ensure safety and efficiency in all applications Whether you're at the office or on the go, the cell battery provides a stable voltage and is perfect for your watch, remote control, computer motherboard Ideal for use in household appliances, these button batteries are an essential stock for toy stores and watch repair shops that require frequent battery replacement Equally suitable for watch enthusiasts and gadget users, these batteries are suitable for anyone who needs reliable power for small electronics