Product Overview
This document provides essential information for the safe and effective use of your replacement Li-ion Polymer battery, designed for Razer NARI and NARI Ultimate wireless gaming headsets.
The battery features a capacity of 1050mAh and a nominal voltage of 3.7V. It is a Li-ion Polymer type, certified by UL, CE, UN38.3, and RoHS, ensuring safety and reliability. This battery is designed for long working times with over 300 cycles life.

Image: The replacement Li-ion Polymer battery, showing its compact size, wired connector, and printed specifications including 1050mAh/3.7V, compatibility with Razer NARI/NARI Ultimate, and safety cautions.
Setup and Installation
Before beginning the installation process, ensure your Razer NARI or NARI Ultimate headset is powered off and disconnected from any charging sources. It is recommended to consult the original headset's service manual or a professional for detailed disassembly and reassembly instructions, as battery replacement often requires opening the headset casing.
- Preparation: Gather necessary tools, which may include small screwdrivers, prying tools, and anti-static precautions.
- Access Battery Compartment: Carefully open the headset's ear cup or designated access point to expose the existing battery.
- Disconnect Old Battery: Gently disconnect the old battery's connector from the headset's circuit board. Note the orientation of the connector.
- Remove Old Battery: Carefully remove the old battery. It may be secured with adhesive; apply gentle, even pressure if needed.
- Install New Battery: Place the new replacement battery into the compartment. Ensure it fits securely without bending or forcing.
- Connect New Battery: Connect the new battery's plug to the corresponding port on the headset's circuit board. Ensure a firm and correct connection.
- Reassemble Headset: Carefully reassemble the headset, ensuring all components are properly aligned and secured.
- Initial Charge: After installation, fully charge the new battery before its first use.
Important: Handle the battery and headset components with care to avoid damage. If you are unsure about any step, seek professional assistance.
Operating Guidelines
This replacement battery functions identically to the original battery in your Razer NARI or NARI Ultimate headset. For optimal performance and longevity, adhere to the following guidelines:
- Charging: Use only the original charging cable and power adapter provided with your Razer headset, or a certified compatible charger. Avoid using unapproved chargers.
- First Use: Fully charge the battery before its initial use to calibrate the battery management system.
- Regular Use: For best battery health, avoid completely draining the battery frequently. Partial discharges and charges are generally better for Li-ion batteries.
- Storage: If storing the headset for an extended period, charge the battery to approximately 50-60% before storage. Store in a cool, dry place.
Maintenance
Proper maintenance ensures the longevity and safety of your battery:
- Cleaning: Keep the battery and its connectors clean and free from dust or debris. Use a dry, soft cloth for cleaning.
- Temperature: Avoid exposing the battery to extreme temperatures, both hot and cold. Optimal operating temperature is typically between 0°C and 45°C (32°F and 113°F).
- Physical Damage: Protect the battery from physical shocks, drops, or punctures. Do not bend or deform the battery.
- Disposal: When the battery reaches the end of its life, dispose of it responsibly according to local regulations for lithium-ion batteries. Do not dispose of in general waste.
Troubleshooting
If you encounter issues with your replacement battery, consider the following:
| Problem | Possible Cause | Solution |
|---|---|---|
| Headset not powering on after battery replacement. | Battery not properly connected; Battery not charged; Faulty battery. | Ensure battery connector is fully seated. Charge the battery for several hours. If issues persist, contact support. |
| Battery not holding charge or short battery life. | Battery not fully charged; Battery degradation; High power consumption by headset. | Ensure full charge cycle. Check headset settings for power-saving options. If new battery, contact support for replacement. |
| Headset charging indicator not working. | Charging cable or adapter issue; Headset charging port issue; Battery connection issue. | Try a different charging cable/adapter. Verify battery connection. If problem persists, headset may require service. |
Specifications
- Battery Type: Li-ion Polymer battery
- Capacity: 1050mAh
- Nominal Voltage: 3.7V
- Pack Dimension: 5.2 x 34.5 x 52.0mm (approx. 2.05 x 1.36 x 2.05 inches)
- Weight: 15g (approx. 0.53 ounces)
- Compatible Models: RAZER NARI, NARI ULTIMATE wireless Gaming headset
- Certifications: UL, CE, UN38.3, RoHS
- Cycle Life: Over 300 times
- Model Number: USA-523450PCN-R
Safety Cautions
Adherence to these safety precautions is critical to prevent injury or damage:
- DO NOT ATTEMPT TO OPEN OR DISASSEMBLE THE BATTERY. This can lead to internal short circuits, fire, or explosion.
- DO NOT CRUSH, PUNCTURE, OR DISPOSE OF IN FIRE OR WATER. Such actions can cause severe damage, fire, or explosion.
- DO NOT EXPOSE TO TEMPERATURES ABOVE 60°C (140°F). High temperatures can degrade battery performance, cause leakage, or lead to fire/explosion.
- Keep the battery away from children and pets.
- If the battery shows signs of swelling, leakage, or damage, discontinue use immediately and dispose of it properly.
Warranty and Support
This product comes with a 180-day warranty, covering manufacturing defects. For warranty claims, technical support, or any inquiries regarding the product, please contact the seller directly through the platform where the purchase was made. Please provide your order number and a detailed description of the issue for prompt assistance.
For general information on battery care and safety, you may refer to reputable online resources or consult a qualified electronics technician.





