1. Introduction
This manual provides essential instructions for the safe and effective use of your LIENIAO PMNN4489, PMNN4489A, and PMNN4489C rechargeable Li-ion batteries. These batteries are designed for compatibility with various Motorola impres ATEX XPR series two-way radios. Please read this manual thoroughly before initial use to ensure optimal performance and safety.
2. Safety Information
CAUTION: TO PREVENT INJURY, READ MANUAL BEFORE USE.
- 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.
- Do not incinerate or dispose of the battery in fire.
- Keep the battery away from water and moisture.
- Use only compatible chargers specifically designed for Li-ion batteries.
- This battery is designed to be blastproof and intrinsically safe, incorporating a built-in microchip to prevent overcharging, over-discharging, short-circuiting, and overheating.
- If the battery emits an unusual odor, heats up, changes color or shape, or appears abnormal in any way during use, charging, or storage, immediately remove it from the device or charger and discontinue use.
3. Package Contents
Verify that all items are present in your package:
- 1 x LIENIAO PMNN4489/PMNN4489A/PMNN4489C Rechargeable Li-ion Battery
- 1 x Belt Clip
4. Setup and Installation
4.1 Battery Installation
- Ensure your radio is powered off before installing or removing the battery.
- Align the battery with the battery compartment on the back of your compatible Motorola radio.
- Slide the battery into the compartment until it clicks securely into place.
4.2 Belt Clip Attachment
- Locate the two small screw holes on the back of the battery.
- Align the belt clip with these holes.
- Secure the belt clip using the provided screws (if applicable, typically included with the radio or clip).
Image 1: Front and back view of the LIENIAO PMNN4489A battery, showing the battery label and the attached belt clip.
Image 2: Angled view of the LIENIAO PMNN4489A battery with belt clip, providing a closer look at the battery contacts and label information.
5. Operating Instructions
5.1 Initial Charging
For optimal battery life and performance, it is highly recommended to fully drain and then fully charge the battery during the first three charging and discharging cycles. This process helps to calibrate the battery's charge indicator and maximize its overall lifespan.
5.2 General Charging
- Connect your compatible Motorola radio (with the battery installed) to its designated charger.
- Ensure the charger is plugged into a working power outlet.
- The charging indicator on your radio or charger will typically show the charging status. Refer to your radio's manual for specific charging indicators.
- Once fully charged, disconnect the radio from the charger. Avoid leaving the battery on the charger for extended periods after it is fully charged.
Image 3: The LIENIAO PMNN4489 IMPRES Rechargeable Li-ion Battery, highlighting its key specifications: 7.4V voltage and 2900mAh capacity.
6. Maintenance
6.1 Cleaning
Periodically clean the battery contacts and the radio's battery terminals with a clean, dry cloth to ensure good electrical connection.
6.2 Storage
- Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures.
- For long-term storage, it is recommended to store the battery with approximately 50% charge.
- Avoid storing the battery fully charged or fully discharged for extended periods.
6.3 Disposal
Do not dispose of the battery with household waste. Please follow local regulations for proper disposal of Li-ion batteries. Many electronic retailers and recycling centers offer battery recycling services.
7. Troubleshooting
7.1 Battery Not Charging
- Ensure the charger is properly connected to a power source and the radio.
- Check for any debris or corrosion on the battery and charger contacts and clean them if necessary.
- Verify that the charger is compatible with your battery and radio model.
- If the issue persists, try another compatible charger or battery to isolate the problem.
7.2 Short Battery Life
- Ensure the battery has undergone the recommended initial charging cycles.
- Check if the radio's power-saving features are enabled.
- Operating in extreme temperatures can reduce battery performance.
- If the battery is old, its capacity may have naturally degraded over time (rated for over 800 charge cycles).
8. Specifications
- Model Numbers: PMNN4489, PMNN4489A, PMNN4489C
- Battery Type: Rechargeable Lithium-ion (Li-ion)
- Voltage: 7.4V
- Capacity: 2900mAh
- Energy: 21.5Wh
- Estimated Charge Cycles: Over 800
- Safety Features: Blastproof, intrinsically safe, built-in microchip for protection against overcharging, over-discharging, short-circuiting, and overheating.
- Manufacturer: LIENIAO
- Compatible Radio Models: Motorola impres ATEX XPR3000, XPR3000e, XPR3300, XPR3500, XPR7000, XPR7350, XPR7380, XPR7550, XPR7580, XIRP8608I, XIRP8628I, XIRP8660I.
Image 4: The LIENIAO battery, indicating its compatibility with PMNN4489, PMNN4489A, and PMNN4489B battery models.
9. Warranty and Support
LIENIAO is committed to customer satisfaction. If you encounter any issues or have questions regarding your battery, please do not hesitate to contact our customer service team. We aim to provide a satisfactory resolution within 24 hours and address all quality-related concerns.
For support, please refer to the contact information provided with your purchase or visit the official LIENIAO support website.
