Energizer 397/396

Energizer 397/396 Silver Oxide Button Battery

The Energizer 397/396 is a high‑performance silver oxide button battery designed for compact electronic devices that demand reliable, long‑lasting power. With a nominal voltage of 1.55 V, it delivers consistent energy output suitable for watches, key fobs, medical devices, and other low‑current applications.

Key Technical Specifications

• Model Family: SR59 / V397 / SR726SW
• Reference Code: 15.2.030
• Voltage: 1.55 V (nominal)
• Type: Button cell, silver oxide chemistry
• Capacity: Approximately 32 mAh (typical for SR59 size)
• Dimensions: 7.9 mm × 2.6 mm (standard SR59 size)
• Weight: ~0.5 g per cell

Silver Oxide Chemistry Explained

The silver oxide battery uses a chemical reaction between silver oxide (Ag₂O) and zinc to generate electricity. This chemistry offers several advantages:

• Stable Voltage: Maintains close to 1.55 V throughout its life, ensuring consistent device performance.
• Low Self‑Discharge: Retains charge for extended periods when not in use, ideal for devices that are powered intermittently.
• High Energy Density: Provides a good balance between size and capacity, making it suitable for miniature gadgets.

Typical Applications

The compact form factor of the Energizer 397/396 makes it perfect for:

• Watches & Clocks: Powers quartz movements and digital displays.
• Key Fobs & Remote Controls: Supplies low‑current signals to wireless receivers.
• Medical Devices: Used in small diagnostic tools, hearing aids, and personal monitoring equipment.
• Industrial Sensors: Powers miniature sensors that monitor temperature, pressure, or humidity.
• Consumer Electronics: Found in handheld game consoles, calculators, and portable audio devices.

Performance Characteristics

The Energizer 397/396 delivers a reliable discharge curve with minimal voltage sag under load. Its internal resistance is low, allowing it to supply the necessary current for most button‑cell applications without significant performance loss.

• Typical Load: 0.1 mA – 10 mA (depending on device)
• End‑of‑Life Voltage: Approximately 1.2 V, at which point the battery is considered depleted.

When selecting a replacement or new power source for your device, ensure that the battery size matches the original specifications. The Energizer 397/396 is interchangeable with other SR59‑sized silver oxide cells, but always verify voltage requirements to avoid damaging sensitive electronics.

Although silver oxide batteries are generally safe, proper handling is essential:

• Avoid Short Circuits: Keep terminals separated when not installed.
• Store in a Cool, Dry Place: Protects against accidental discharge and extends shelf life.
• Dispose Responsibly: Follow local regulations for electronic waste; many regions accept batteries at designated recycling centers.

Energizer’s reputation for quality, combined with the proven reliability of silver oxide chemistry, makes the 397/396 a trusted choice for manufacturers and consumers alike. Its consistent performance across a wide range of temperatures and usage patterns ensures that devices remain operational when needed most.

The Energizer 397/396 Silver Oxide Button Battery stands out as an essential component for compact, low‑power electronic devices. With its stable voltage output, reliable capacity, and proven safety profile, it delivers the dependable power supply required by modern technology.