1. Introduction
Thank you for choosing a Nohon replacement battery for your Xiaomi device. This manual provides essential information for the safe and effective use of your new battery, including installation instructions, operational guidelines, maintenance tips, and troubleshooting advice. Please read this manual carefully before proceeding with installation or use.
2. Important Safety Information
To prevent damage to the battery, your device, or personal injury, always adhere to the following safety precautions:
- Do not throw the battery into fire.
- Do not disassemble the battery.
- Do not immerse the battery in water or other liquids.
- Keep the battery away from high temperatures and fire sources.
- Avoid using or storing the battery in extremely hot or cold environments.
- Do not puncture, drop, or apply excessive force to the battery.
- If the battery appears damaged, swollen, or leaks, discontinue use immediately.
- Dispose of batteries according to local regulations.

3. Package Contents
Your Nohon replacement battery package typically includes:
- Nohon Replacement Battery (specific model as ordered)
- Crowbar
- Phillips Screwdriver
- T3 Screwdriver
- Card Pin
- 3M Glue (2 pieces)
- Triangular Rocker
- Suction Cup


4. Installation
Replacing a phone battery requires careful handling and technical skill. If you are not confident in performing the replacement yourself, it is recommended to seek professional assistance.
4.1. Pre-Installation Steps
- Power off your device completely.
- Discharge the old battery below 25% to reduce the risk of thermal events during removal.
- Gather all necessary tools provided in the kit.
4.2. Installation Procedure
For detailed, step-by-step visual instructions, please scan the QR code on the back of the battery package to access the official installation video. This video will guide you through the process specific to your phone model.

5. Operation and First Use
5.1. Initial Charging
After installing the new battery, it is recommended to fully charge the device before its first use. This helps calibrate the battery and ensures optimal performance.
5.2. General Usage
Nohon batteries are equipped with AI Smart Chip Technology for intelligent temperature control and heat dissipation, ensuring stable charging. They feature upgraded ICs for comprehensive power management and long standby times with up to 95% electricity conversion efficiency.



6. Battery Maintenance Tips
To ensure a longer lifespan and optimal performance from your Nohon battery, consider the following:
- Optimal Charging: Use correct charging methods. Avoid overcharging or completely draining the battery frequently.
- Temperature Management: Mobile phones do not perform well under prolonged high or low temperatures. Avoid exposing your device to extreme heat or cold.
- Software Usage: Minimize the use of power-intensive software or battery maintenance applications that might interfere with normal battery operation.
- Protection Features: Nohon batteries include built-in protections against overcurrent, over-discharge, over-temperature, and overcharge.
- Circuit Upgrades: Features like Multi-way Balanced Split (4-way shunt, balanced AC) and Composite Embedded Technology (20% increase in current transfer area) help prevent voltage instability.
- Double Fuse: A double memory metal fuse is included, designed to automatically repair short circuits.



7. Troubleshooting
If you encounter issues with your Nohon replacement battery, consider the following common problems and solutions:
- Battery Not Charging: Ensure the charging cable and adapter are functional and properly connected. Check the phone's charging port for debris.
- Rapid Battery Drain: Verify that no background apps are consuming excessive power. Check for software updates for your device.
- Device Not Powering On: Ensure the battery is correctly installed and fully charged.
- Physical Fit Issues: In rare cases, a replacement battery might be slightly thicker than the original, preventing the back cover from closing completely. Double-check the specific model compatibility before purchase and during installation.
8. Specifications
| Feature | Description |
|---|---|
| Brand Name | Nohon |
| Compatible Brand | Xiaomi |
| Battery Type | Li-ion |
| Battery Capacity (mAh) | 3501 mAh - 5000 mAh (Specific models vary, e.g., 4520mAh for HM-K40, 4000mAh for BM47) |
| Standard Voltage | 3.87V (varies slightly by model, e.g., 3.85V for BM47) |
| Charging Voltage Limit | 4.45V (varies slightly by model, e.g., 4.4V for BM47) |
| Executive Standard | GB 31241-2014 |
| Quality Certification | CE, ROHS, WEEE, UL, PSE, ETL, FCC, KC |
| High-concerned chemical | None |
| Origin | Mainland China |
| Package Dimensions (approx.) | Length: 10 cm, Width: 8 cm, Height: 6 cm |
| Package Weight (approx.) | 0.2 kg |


9. User Tips
- Verify Compatibility: Always double-check the specific battery model (e.g., BM4E, BN61) against your phone's model to ensure full compatibility before purchasing and installing.
- Check Battery Thickness: Some users have reported that Nohon replacement batteries can be slightly thicker than the original, potentially affecting the phone's back cover closure. Be aware of this possibility and ensure a proper fit during installation.
- Professional Installation: If you are unsure about the installation process, consider having the battery replaced by a qualified technician to avoid damaging your device.
10. Warranty and Support
Nohon products undergo rigorous testing, including professional production, 72-hour aging tests, and 48-hour hot temperature testing, to ensure high quality and safety. The product has passed various authority tests and holds international quality certifications.
10.1. Contact Information
For product inquiries, support, or to verify genuine certification, you may use the following contact details:
- Brand Website: www.nohon.hk
- Brand Hotline: 400 057 9123
- Service E-mail: info@nohon.hk







