1. Introduction
This manual provides instructions for the proper handling, installation, and disposal of Energizer 371/370 (SR920W SR920SW) Silver Oxide Watch Batteries. These batteries are designed for reliable performance in watches and other small electronic devices requiring a 1.55V silver oxide button cell.

Image Description: A blister pack containing five individual Energizer 371 (SR920SW) Low Drain 1.55V Silver Oxide watch batteries. Each battery is sealed in its own compartment within the packaging, clearly displaying the Energizer brand and battery specifications.
2. Safety Information
- Keep out of reach of children: Button cell batteries can be swallowed. If ingested, seek immediate medical attention.
- Do not recharge: These batteries are non-rechargeable. Attempting to recharge them may cause leakage, fire, or explosion.
- Do not disassemble or short-circuit: Disassembling or short-circuiting batteries can lead to leakage, heat generation, or explosion.
- Do not expose to extreme temperatures: Avoid storing or using batteries in direct sunlight, high heat, or freezing conditions.
- Proper disposal: Dispose of used batteries according to local regulations. Do not incinerate.
- Avoid contact with skin and eyes: In case of leakage, avoid contact with skin and eyes. If contact occurs, rinse immediately with water and seek medical advice.
3. Setup and Installation
- Identify Battery Type: Ensure your device requires a 371, 370, SR920W, or SR920SW silver oxide battery.
- Open Battery Compartment: Refer to your device's specific instructions for opening its battery compartment. This often involves a small screwdriver or a specialized tool for watch backs.
- Remove Old Battery (if applicable): Carefully remove the old battery, noting its orientation.
- Insert New Battery: Insert the new Energizer battery with the positive (+) side facing up or as indicated by the device's polarity markings. The positive side is typically the flat, unmarked side of the button cell.
- Close Battery Compartment: Securely close the battery compartment according to your device's instructions.
4. Operating Instructions
Energizer 371/370 series batteries are designed for immediate and continuous use upon installation. They provide a stable 1.55V output, ideal for low-drain applications such as analog watches. Once installed correctly, your device should function as expected.
These are single-use batteries and cannot be recharged. Replace them when your device indicates low power or ceases to function.
5. Maintenance
- Storage: Store unused batteries in their original packaging in a cool, dry place at room temperature. Avoid extreme heat or cold, which can reduce battery life.
- Cleanliness: Ensure battery contacts in your device are clean and free of corrosion before inserting a new battery.
- Expiration Date: Check the expiration date on the packaging. Using batteries past their expiration date may result in reduced performance.
6. Troubleshooting
- Device not working after battery replacement:
- Verify the battery is inserted with correct polarity (+/-).
- Ensure the battery compartment is securely closed.
- Check if the battery is the correct type and size for your device.
- Confirm the battery is new and not expired.
- Inspect device contacts for dirt or corrosion and clean if necessary.
- Short battery life:
- Ensure the battery was stored properly before use.
- Verify the device does not have an internal issue causing excessive power drain.
7. Specifications
| Brand | Energizer |
| Model Numbers | 371, 370, SR920W, SR920SW |
| Battery Cell Composition | Silver Oxide |
| Voltage | 1.55V |
| Capacity Type | Low Drain |
| Reusability | Single Use (Non-Rechargeable) |
| Recommended Uses | Watches, small electronic devices |
8. Warranty and Support
Energizer batteries are manufactured to high-quality standards. For specific warranty information or customer support, please refer to the official Energizer website or contact their customer service directly. Keep your purchase receipt as proof of purchase.
For further assistance, visit the Energizer Store on Amazon.







