1. Introduction
This manual provides essential information for the safe and effective use of your RUIXI Original C52CE97010 7.2V 1850mAh Li-ion Battery. This battery is designed as a replacement for the EPSON D161 printer. Please read this manual thoroughly before installation and use to ensure optimal performance and safety.
2. Safety Information
Lithium-ion batteries can pose risks if not handled correctly. Please observe the following safety precautions:
- Do not disassemble, crush, puncture, or short-circuit the battery.
- Do not expose the battery to high temperatures (above 60°C / 140°F) or direct sunlight.
- Keep the battery away from water, fire, and other liquids.
- If the battery shows signs of swelling, leakage, or damage, discontinue use immediately.
- Dispose of batteries according to local regulations. Do not dispose of in household waste.
- The battery features multiple built-in protections including overcharge, overcurrent, over-discharge, short circuit, overvoltage, and overpower protection to ensure stable and safe operation.

Description: This diagram highlights the battery's multiple protection features: overcharge, overcurrent, over-discharge, short circuit, overvoltage, and overpower protection, ensuring stable cell operation.
3. Package Contents
Your package should contain the following items:
- 1 x RUIXI Original C52CE97010 7.2V 1850mAh Li-ion Battery
- 1 x Complimentary set of disassembly tools (includes screwdrivers, plastic pry tools, suction cup, triangular plastic picks, and B-7000 adhesive)

Description: The RUIXI C52CE97010 rechargeable Li-ion battery, labeled for Seiko Epson Corp., shown alongside a set of complimentary disassembly tools.

Description: A complete set of tools provided for battery replacement, including four screwdrivers, two plastic pry tools, a suction cup, two triangular plastic picks, and a tube of B-7000 adhesive.
4. Specifications
| Feature | Detail |
|---|---|
| Brand Name | RUIXI |
| Model Number | C52CE97010 |
| Battery Type | Rechargeable Li-ion Battery Pack |
| Voltage | 7.2V |
| Capacity | 1850mAh |
| Quality Certification | CE |
| Original or Not | Original |
| Origin | Mainland China |

Description: An illustration depicting the built-in intelligent chip, responsible for intelligent current matching and extended battery life.

Description: This image illustrates the AI intelligent chip technology, which provides intelligent temperature control, intelligent heat dissipation, and helps maintain room temperature during operation.
5. Setup and Installation
Replacing a printer battery requires careful handling. It is recommended to consult your printer's specific service manual or an online video tutorial for detailed steps pertaining to your EPSON D161 model.
General Installation Steps:
- Power Off: Ensure your EPSON D161 printer is completely powered off and disconnected from any power source.
- Access Battery Compartment: Locate the battery compartment on your printer. This may require removing screws or prying open a panel. Use the provided screwdrivers and plastic pry tools carefully to avoid damaging the printer casing.
- Remove Old Battery: Gently disconnect the old battery's connector from the printer's mainboard. Carefully remove the old battery from its compartment.
- Install New Battery: Connect the RUIXI C52CE97010 battery's connector to the printer's mainboard, ensuring it is securely seated. Place the new battery into the compartment.
- Secure and Reassemble: Close the battery compartment and reassemble any panels or screws that were removed. If adhesive was used for the original battery or panel, the provided B-7000 adhesive can be used for re-sealing, if appropriate for your printer model.
- Initial Charge: Once installed, connect your printer to its power adapter and allow the new battery to charge fully before its first use.
Caution: Always handle electronic components with care. If you are unsure about any step, seek professional assistance.
6. Operating Instructions
Charging:
- Use only the original or certified compatible charger for your EPSON D161 printer.
- Charge the battery fully before its first use.
- Avoid overcharging; the intelligent chip will manage charge cycles, but it's good practice to disconnect once fully charged.
Usage:
- The battery is designed to provide reliable power to your EPSON D161 printer.
- Monitor the printer's battery indicator to understand remaining charge.
- For optimal battery health, avoid completely draining the battery frequently.
7. Maintenance
Proper maintenance can extend the lifespan of your battery:
- Temperature: Store and operate the battery within recommended temperature ranges (typically 0°C to 45°C). Avoid extreme cold or heat.
- Storage: If storing the battery for an extended period, charge it to about 50-60% and store it in a cool, dry place. Recharge every 3-6 months to prevent deep discharge.
- Cleaning: Keep battery contacts clean and free from dust or debris.
8. Troubleshooting
Battery Not Charging:
- Ensure the charger is properly connected to both the printer and a working power outlet.
- Verify that the battery connector is securely seated inside the printer.
- Try a different compatible charger or power outlet to rule out external issues.
Battery Not Holding Charge:
- New batteries may require a few charge/discharge cycles to reach full capacity.
- Ensure no background processes or settings on the printer are excessively draining power.
- If the issue persists after several cycles, the battery may be faulty or nearing the end of its lifespan.
Printer Not Powering On:
- Confirm the battery is fully charged.
- Check all internal connections to ensure the battery is correctly installed.
- If possible, test the printer with its original power adapter (without battery) to determine if the issue is battery-related or printer-related.
9. User Tips
- Research Your Device: Before attempting battery replacement, search for specific guides or videos for your EPSON D161 printer model. This can provide visual instructions and highlight any unique challenges.
- Organize Screws: During disassembly, keep track of all screws and components. Using a magnetic mat or small containers can prevent loss and aid reassembly.
- Handle with Care: The internal components of electronic devices are delicate. Apply gentle pressure when using pry tools and avoid forcing anything.
10. Warranty and Support
For any questions, technical support, or warranty claims regarding your RUIXI C52CE97010 battery, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.

