The 303, V303, SR44, SR44SW button cell is a high-quality silver oxide watch battery designed for a variety of applications, particularly in watches. This battery provides reliable performance with a nominal voltage of 1.55 volts and is ideal for devices that require a constant power source. The button cell has a compact design with a diameter of approximately 11.6 mm and a height of 5.4 mm, making it a practical choice for many electronic devices. It is not rechargeable and is available under various brands, including Duracell, Varta, and Energizer, depending on availability. The silver oxide technology ensures a longer lifespan and stable voltage, making it a preferred choice for watches and other devices that require precise power supply.

• Silver oxide technology for longer lifespan
• Nominal voltage of 1.55 volts for stable performance
• Suitable for a variety of applications, especially watches
• Compact design for easy integration into devices.