1. Introduction
This manual provides essential instructions for the safe and efficient use of your EEMB LIR2032 Lithium Coin Battery Charger. Please read this manual thoroughly before operating the device and retain it for future reference. This charger is designed for 3.7V Lithium-ion coin cell batteries, specifically models LIR2025, LIR2032, and LIR2450.
The product packaging displays the EEMB LIR2032 Lithium Coin Battery Charger, highlighting its compatibility with LIR2025, LIR2032, and LIR2450 3.7V Lithium-ion coin cell batteries. The box also shows the charger unit and its Micro USB charging cable.
2. Setup
To set up your EEMB LIR2032 Lithium Coin Battery Charger, follow these steps:
- Unpack the Charger: Carefully remove the charger and its USB cable from the packaging.
- Connect to Power: Connect the Micro USB end of the provided cable to the charger's input port. Plug the standard USB-A end into a compatible 5V DC USB power source, such as a laptop, a wall charger adapter (not included), or a power bank.
The EEMB LIR2032 Lithium Coin Battery Charger shown with its integrated USB charging cable, ready for connection to a power source.
A visual guide illustrating how to connect the charger to various USB power sources like a laptop, charger adapter, or power bank. The charger requires a Micro USB connection.
3. Operating Instructions
Follow these steps to charge your compatible Lithium-ion coin cell batteries:
- Insert Batteries: Carefully place the LIR2025, LIR2032, or LIR2450 batteries into the charging slots. Ensure the positive (+) and negative (-) terminals of the battery align correctly with the markings on the charger. Do not reverse the polarity.
- Monitor Charging: The LED indicator for each slot will illuminate red to indicate that charging is in progress.
- Charging Complete: The LED indicator will turn green when the battery is fully charged. A green light also indicates that the charger is powered on but no battery is installed or the installed battery is fully charged.
- Remove Batteries: Once charging is complete and the LED is green, carefully remove the batteries from the charger.
A visual guide illustrating the correct insertion of LIR2032 batteries into the charger slots, indicating positive and negative terminals. It also shows the LED indicator states (red for charging, green for fully charged or power on without battery) and various USB power sources.
Demonstration Video
An official video demonstrating the EEMB LIR2032 Lithium Coin Battery Charger in use, showing the process of inserting batteries and the charging indication.
4. Specifications
The following table details the technical specifications of the EEMB LIR2032 Lithium Coin Battery Charger:
| Feature | Detail |
|---|---|
| Input | DC 5V |
| Output | DC 4.2V 40mA |
| Size (L*W*H) | 48 x 28.5 x 78 mm |
| Weight | 80g |
| Cable Length | 100cm |
| Item Model Number | lir charger |
This image presents the technical specifications of the EEMB LIR2032 Lithium Coin Battery Charger, including input, output, dimensions, weight, and cable length.
5. Safety Information
Please observe the following safety precautions to prevent injury or damage:
- Do not recharge, short-circuit, disassemble, deform, heat, or place the battery near a direct flame. This battery contains flammable materials such as lithium and organic solvent. Performing any of the above actions could cause it to ignite, explode, or become damaged.
- Keep this battery out of the reach of children. If it is swallowed, contact a doctor immediately.
- When storing the battery or disposing of it, be sure to cover the terminals with tape. If the battery comes into contact with other metal objects, it can ignite or become damaged.
Multi-Protection Features
The EEMB LIR2032 Lithium Coin Battery Charger incorporates multiple protection mechanisms for safe operation:
- Temperature Protection: Prevents overheating during charging.
- Short Circuit Protection: Safeguards against short circuits.
- Overcharge Protection: Stops charging once batteries reach full capacity.
- Overdischarge Protection: Protects batteries from being discharged too deeply.
- Output Over Voltage Protection: Regulates output voltage to prevent damage.
- Output Overcurrent Protection: Limits output current to safe levels.
This image highlights the safety features of the charger, including temperature protection, short circuit protection, overcharge protection, overdischarge protection, output over voltage protection, and output overcurrent protection.
6. Maintenance
Proper maintenance ensures the longevity and performance of your charger and batteries:
- Storage: We recommend charging the battery every 3 months after receipt and maintaining its voltage. Store the battery in a cool and dry place.
- Cleaning: Keep the charger and battery contacts clean and free from dust or debris. Use a dry, soft cloth for cleaning.
- Handling: Avoid dropping the charger or subjecting it to strong impacts.
7. Troubleshooting
If you encounter issues with your EEMB LIR2032 Lithium Coin Battery Charger, consider the following:
- Charger Not Powering On: Ensure the USB cable is securely connected to both the charger and a functional 5V DC power source. Try a different USB port or power adapter.
- Battery Not Charging (LED remains green): Verify that the battery is inserted correctly with the positive (+) and negative (-) terminals aligned. Ensure the battery is a compatible 3.7V Lithium-ion coin cell (LIR2025, LIR2032, LIR2450) and not a non-rechargeable type (e.g., CR2032). The battery might already be fully charged.
- Slow Charging: Ensure your power source provides sufficient current. Using a low-power USB port might result in slower charging times.
If problems persist, please contact customer support.
8. Certifications and Support
EEMB products are manufactured with quality and safety in mind:
- Certifications: More than 400 EEMB battery models are UL certified. You can search for "MH20555" on the official UL website (www.UL.com) for detailed certification information.
- Quality Service: All EEMB products are subject to trusted quality standards.
- Customer Support: If you have any questions or concerns regarding the product, please contact us via Amazon message. We aim to respond within 24 hours.
This image displays various certificates, emphasizing that over 400 EEMB battery models are UL approved. It directs users to search 'MH20555' on the UL website for certification details.