1. Introduction
This manual provides essential information for the safe and effective use of Duracell 377/376 Silver Oxide Button Batteries. These batteries are designed to deliver reliable, long-lasting power for various specialty electronic devices, including watches, digital thermometers, and other small electronics. Please read this manual thoroughly before use.

Image: Duracell 377/376 Silver Oxide Button Batteries in their retail packaging.
2. Safety Information
WARNING: Keep batteries away from children. If swallowed, consult a physician immediately. Batteries can explode or leak if heated, disassembled, shorted, recharged, exposed to fire or high temperature, or inserted incorrectly. Do not carry batteries loose in your pocket or purse.
The Duracell 377/376 battery packaging is designed to be child-secure, requiring scissors to open, which helps prevent accidental ingestion by children.

Image: Back of the Duracell 377/376 battery packaging, showing safety warnings in multiple languages and the UPC code (0041333177090).
For treatment information, call 1-800-498-8666. For customer service, call 1-800-551-2355 (9:00 AM - 5:00 PM E.S.T.).
3. Product Features
- Long-Lasting Power: Provides reliable, enduring power for a wide range of devices.
- Guaranteed for 4 Years in Storage: Ensures readiness when needed.
- Child-Secure Packaging: Designed to prevent accidental opening by children.
- Reliable Performance: Built for consistent performance in high-powered devices.
- Quality Assurance: Guaranteed against defects in material and workmanship.

Long-Lasting Power

Dependability You Can Trust

#1 Trusted Battery Brand
4. Compatibility and Equivalent Models
Duracell 377/376 Silver Oxide Button Batteries are suitable for a variety of small electronic devices. They are equivalent to the following battery types:
- SR66
- SR626W
- 377
- SR626
- 376
- D376
- D377
- V377
- SR626SW
Common applications include watches, digital thermometers, laser pointers, and stopwatches.

Image: Examples of devices compatible with Duracell specialty batteries, such as watches, cameras, thermometers, and flashlights.
5. Installation Instructions
Always refer to your device's specific instruction manual for detailed battery replacement procedures. The following are general guidelines:
- Prepare Your Workspace: Work on a clean, well-lit surface to prevent losing small parts.
- Open Device: Carefully open the battery compartment of your device. This may require a small screwdriver or a specialized tool for watches.
- Remove Old Battery: Note the orientation (+/-) of the old battery before removing it. Use a non-metallic tool to gently pry out the old battery.
- Insert New Battery: Insert the new Duracell 377/376 battery with the correct polarity, ensuring it sits securely in the compartment.
- Close Device: Securely close the battery compartment. Test your device to ensure proper function.
Note: Avoid touching the battery terminals with bare hands, as oils from your skin can affect conductivity.
6. Operating Instructions
Once installed, the Duracell 377/376 battery will power your compatible device. No special operating procedures are required for the battery itself. Simply use your device as intended. If your device does not power on or function correctly after battery installation, refer to the troubleshooting section or your device's manual.
7. Maintenance and Storage
- Storage: Store unused batteries in their original child-secure packaging in a cool, dry place at room temperature. Avoid extreme temperatures. Duracell guarantees these batteries for 4 years in storage.
- Disposal: Dispose of used batteries according to local regulations. Do not dispose of batteries in household waste or by incineration.
- Cleaning: If battery terminals appear dirty, gently wipe them with a clean, dry cloth before installation.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Incorrect battery installation, dead battery, or device malfunction. | Check battery polarity. Ensure battery is fully seated. Replace with a new battery. Consult device manual for further troubleshooting. |
| Device functions intermittently. | Loose battery connection, low battery power, or dirty terminals. | Re-seat the battery. Replace with a new battery. Clean battery terminals. |
| Battery appears swollen or leaking. | Overheating, damage, or improper use. | Immediately remove the battery (with gloves if possible) and dispose of it safely. Do not use the battery or device. |
9. Specifications
| Brand | DURACELL |
| Model Numbers | 377/376 (Item model number: 17709) |
| Battery Cell Composition | Silver Oxide |
| Voltage | 1.5V |
| Number of Batteries | 2 Nonstandard Battery batteries required (per pack) |
| Product Dimensions | 0.16 x 1.75 x 3.5 inches; 0.1 ounces |
| Manufacturer | Duracell Distributing, Inc |
10. Warranty and Support
Duracell ensures quality; every Duracell product is guaranteed against defects in material and workmanship. For warranty claims or technical support, please contact Duracell Customer Service.
- Customer Service Number: 1-800-551-2355 (9:00 AM - 5:00 PM E.S.T.)
- Manufacturer Address: 14 Research Drive, Bethel, CT 06801
- Website: www.duracell.com







