Energizer 364/363 Silver Oxide Battery 1.55V 19mAh SR621SW

The Energizer 364/363 Silver Oxide Battery is a high-performance 1.55V button cell designed to provide stable and reliable power for precision electronics. Engineered for longevity and consistent voltage output, this battery is an ideal energy source for devices that require a steady, low-drain power supply. Its compact form factor and zero-mercury composition make it a responsible and efficient choice for everyday household and professional instruments.

Advantages

This silver oxide battery offers superior energy density compared to standard alkaline alternatives, ensuring that your devices operate reliably for extended periods. The stable discharge characteristics prevent voltage drops, which is critical for maintaining the accuracy of timepieces and sensitive medical monitoring equipment. Furthermore, the battery features an impressive shelf life, retaining its charge for up to five years when stored correctly, which provides peace of mind and ensures that a replacement is always ready when needed.

Suitable for

• Wristwatches and timepieces
• Medical devices such as glucose monitors and heart rate monitors
• Calculators and small electronic instruments
• Keyless entry systems
• Small toys and electronic gadgets

When it may not be suitable

This battery is specifically designed for low-drain devices and is not suitable for high-drain electronics that require rapid bursts of energy, such as cameras with powerful flashes or high-intensity LED lights. Using this cell in devices with high power demands may result in poor performance or a significantly shortened operational lifespan.

Key specifications

• Voltage: 1.55V
• Capacity: 19mAh
• Chemistry: Silver Oxide
• Size standard: 364/363 (SR621SW)
• Shelf life: Up to 5 years
• Composition: Zero-mercury

How to use

To install the battery, ensure the device is powered off and open the battery compartment according to the manufacturer's instructions. Carefully remove the old cell and insert the new Energizer 364/363 battery, ensuring the positive (+) and negative (-) terminals are aligned correctly with the markings inside the device. Once inserted, close the compartment securely. If the device does not function, verify the orientation of the battery and ensure the contact points are clean and free of debris.

What to consider before purchase

• Verify the battery size code required by your device manual
• Check the voltage requirements to ensure compatibility
• Ensure the device is a low-drain application
• Store in a cool, dry place to maintain shelf life

Usage recommendations

For optimal performance, avoid touching the battery terminals with bare fingers, as oils from the skin can interfere with electrical conductivity. If the device will not be used for an extended period, it is recommended to remove the battery to prevent potential leakage or corrosion.