Maxell SR44W Battery – High Drain Power for Precision Electronics

The Maxell SR44W is a premium 1.55V silver oxide button cell engineered specifically for high-drain devices that demand rapid energy delivery and consistent performance. With a diameter of 11.6 mm and a height of 5.4 mm, this battery offers impressive capacity and stable voltage output. It is widely used in cameras, professional watches, medical equipment, and other electronics requiring precision and durability. The SR44W is a trusted choice for professionals and enthusiasts who demand peak performance.

Maxell SR44W Battery Specifications

• Model: SR44W
• Chemistry: Silver Oxide (High Drain)
• Nominal Voltage: 1.55 Volts
• Capacity: ~165 mAh
• Diameter: 11.6 mm
• Height: 5.4 mm
• Weight: ~2.3 grams
• Operating Temperature: -10°C to +60°C

Why Choose the Maxell SR44W

The Maxell SR44W high drain silver oxide battery delivers the perfect balance of high capacity, rapid discharge capability, and long service life. It is designed to power energy-hungry electronics without compromising stability or safety.

Key Benefits

1. High-Drain Capability: Perfect for devices with frequent bursts of energy demand.
2. Stable Voltage Output: Maintains accuracy in devices like cameras and chronographs.
3. Leak-Resistant Design: Protects delicate electronics from corrosion or damage.
4. Long-Lasting Performance: Supports extended usage in professional and personal gear.
5. Trusted Brand: Maxell’s advanced manufacturing ensures quality and consistency.

Applications for the SR44W

The SR44W is a versatile high-drain cell used across industries and hobbies.

1. Cameras

The long-lasting SR44W battery for cameras is widely used in light meters, film cameras, and digital rangefinders, where precise voltage is essential for accuracy.

2. Watches

The reliable SR44W 1.55V watch battery powers multifunction watches and chronographs that require bursts of energy for alarms, backlighting, and advanced features.

3. Medical Devices

Supports portable medical instruments such as hearing aids, blood pressure monitors, and glucose testing devices that depend on consistent energy delivery.

Performance and Reliability

As a high-drain silver oxide battery, the SR44W delivers both capacity and responsiveness. It ensures stable voltage throughout most of its life, allowing devices to function at peak accuracy.

Voltage Stability

Maintains a consistent 1.55V output, critical for sensitive measurement devices and electronics requiring exact calibration.

Temperature Resilience

Performs well in a wide range of climates, from -10°C to +60°C, ensuring dependable operation in demanding conditions.

SR44W vs SR44SW

The SR44W is designed for high-drain applications, whereas the SR44SW is tailored for low-drain devices. Both share the same dimensions and voltage but differ in discharge optimization.

Battery Type	Diameter	Height	Voltage	Capacity	Drain Type	Common Uses
SR44W	11.6 mm	5.4 mm	1.55V	~165 mAh	High Drain	Cameras, chronographs
SR44SW	11.6 mm	5.4 mm	1.55V	~165 mAh	Low Drain	Analog watches, small electronics

Handling and Storage

Store SR44W batteries in their original packaging in a cool, dry place away from direct sunlight and heat sources. Keep out of reach of children and avoid contact with conductive materials.

Replacing the SR44W

1. Open the device’s battery compartment using the correct tool.
2. Note the polarity of the old battery before removal.
3. Insert the new Maxell SR44W, matching the indicated polarity.
4. Secure the compartment and verify that the device operates correctly.

Environmental Considerations

Dispose of used batteries through approved recycling programs. Avoid discarding in household waste to ensure responsible handling of materials.

Conclusion

The Maxell SR44W battery is a high-performance, high-drain power source designed for cameras, multifunction watches, and critical medical devices. Its stable voltage, impressive capacity, and durable construction make it a trusted option for professionals and enthusiasts alike. Whether you need dependable performance in the studio, the field, or everyday life, the SR44W delivers power you can count on.