1. Introduction
This manual provides essential information for the safe and effective use of Renata 321 SR616SW Silver Oxide Mercury-Free Electronic Batteries. Please read these instructions carefully before installation and use to ensure optimal performance and safety.
Renata batteries are known for their quality and reliability, designed to power a wide range of electronic devices requiring a compact, long-lasting power source.
2. Safety Information
WARNING: Keep batteries out of reach of children. Swallowing may lead to serious injury or death. Seek immediate medical attention if a battery is swallowed.
- Do not recharge, disassemble, heat, or dispose of batteries in fire. This may cause explosion, leakage, or fire.
- Do not mix old and new batteries, or different types of batteries.
- Ensure correct polarity (+ and -) when installing batteries. Incorrect installation can cause damage to the device or battery.
- Store batteries in their original packaging in a cool, dry place away from direct sunlight and extreme temperatures.
- If battery fluid comes into contact with skin or eyes, rinse immediately with plenty of water and seek medical advice.
3. Product Description
The Renata 321 SR616SW is a high-quality silver oxide button cell battery, designed for devices requiring a stable 1.55V power supply. These batteries are mercury-free, making them a more environmentally conscious choice.
Common Applications:
- Watches
- Calculators
- Computer Motherboards (CMOS backup)
- PDAs and Electronic Organizers
- Garage Door Openers and Keyless Car Remotes
- Toys and Games
- Door Chimes and Pet Collars
- LED Lights and Sporting Goods
- Pedometers, Calorie Counters, and Stopwatches
- Medical Devices
- Car Security Alarms
Equivalent Battery Models: SR616SW, SR65, SR616, SB-AF/DF, 280-73, DA, V321, D321, GP321, 611, 321, SR618, 321A, 321X, SB-AF, E321.

Image 1: Renata 321 SR616SW Silver Oxide Batteries in their original blister packaging, showing a pack of ten batteries.
4. Installation (Setup)
Battery replacement procedures vary by device. Always refer to your device's specific instruction manual for detailed steps. The following are general guidelines:
- Identify Battery Compartment: Locate the battery compartment on your device. This is often secured with a small screw or a latch.
- Open Compartment: Carefully open the battery compartment using the appropriate tool (e.g., a small screwdriver for watches).
- Remove Old Battery: Gently remove the old battery, noting its orientation (which side is facing up).
- Insert New Battery: Insert the new Renata 321 SR616SW battery with the positive (+) side facing the correct direction, as indicated by your device's markings. Avoid touching the flat surfaces of the battery with bare fingers, as oils can affect conductivity.
- Close Compartment: Securely close the battery compartment.
- Test Device: Test your device to ensure it is functioning correctly.
Note: For delicate devices like watches, it is recommended to have battery replacement performed by a qualified technician.
5. Operating (Usage)
Once installed, the Renata 321 SR616SW battery will power your device. These are single-use batteries and are not designed for recharging.
- Ensure your device is used within its specified operating temperature range.
- If your device exhibits erratic behavior or stops functioning, the battery may need replacement.
- Do not attempt to force the battery into a compartment if it does not fit.
6. Maintenance
- Storage: Store unused batteries in their original packaging at room temperature, in a dry environment. Avoid extreme heat or cold.
- Cleaning: If battery terminals or contacts in the device appear dirty, gently clean them with a dry cloth or cotton swab before inserting a new battery. Do not use liquids.
- Disposal: Dispose of used batteries responsibly according to local regulations. Do not throw them in household waste. Many communities have battery recycling programs.
7. Troubleshooting
If your device does not power on or function correctly after battery replacement:
- Check Polarity: Verify that the battery is inserted with the correct positive (+) and negative (-) orientation.
- Battery Seating: Ensure the battery is properly seated in its compartment and making good contact with the terminals.
- Device Issue: If the battery is correctly installed and the device still does not work, the issue may lie with the device itself, not the battery.
- New Battery: Try a fresh battery from the pack to rule out a faulty individual battery, though this is rare with Renata products.
8. Specifications
| Feature | Specification |
|---|---|
| Battery Type | Silver Oxide (Mercury-Free) |
| Model Number | 321 / SR616SW |
| Voltage | 1.55 Volts |
| Reusability | Single Use (Non-Rechargeable) |
| Unit Count | 10 Batteries per pack |
| Approximate Battery Weight | 3 Grams (per battery) |
| Manufacturer | Renata |
| Equivalent Models | SR65, SR616, SB-AF/DF, 280-73, DA, V321, D321, GP321, 611, 321, SR618, 321A, 321X, SB-AF, E321 |
9. Warranty and Support
Renata batteries are manufactured to high-quality standards. For specific warranty information or technical support, please refer to the official Renata website or contact your point of purchase. Keep your purchase receipt as proof of purchase.
For general inquiries, you may visit the Renata Store on Amazon.