Manual d'usuari de la placa d'extensió de protecció i equilibri de bateries de liti WONDOM 3S 18650

1. Introducció

The WONDOM AA-JA11113 is a sophisticated battery balance and protection board specifically designed for three 18650 Lithium batteries connected in series (3S configuration). This board provides comprehensive protection and balancing features, enhancing the reliability and safety of your battery pack, particularly for portable audio systems and similar applications requiring a stable rechargeable power supply. When fully charged, the board delivers a 12.6V output voltage.

Key safety features include overcharge, over-discharge, discharge overcurrent, short circuit, charge overcurrent, and over-temperature protections. The integrated protection circuit continuously monitors the voltage and current of each individual cell. Additionally, the board incorporates an external bleeding function for cell-capacity balance, preventing imbalances between cells over time.

Nota important: This battery board does NOT include a charging circuit. To recharge the 18650 batteries, you must use a compatible charging solution, such as a WONDOM JAB1 or JAB2 board, which are equipped with MPPT charging circuits.

2. Contingut del paquet

• 1x AA-JA11113 Battery Balance and Protection Extension Board
• 1x PH-4pos Charge / Discharging Cable

3. Característiques

• Designed for 3S 18650 Lithium Battery Packs
• Ideal Power Supply for Portable Bluetooth Speakers and similar devices
• High-accuracy voltage detection for each cell
• Protecció integral:
  • Protecció de sobrecàrrega
  • Protecció de sobredescàrrega
  • Protecció contra sobreintensitat de descàrrega
  • Protecció contra curtcircuits
  • Protecció contra sobreintensitat de càrrega
  • Protecció contra la temperatura
  • Undervoltage Protecció
  • Breaking Wire Protection
• Cell-capacity balance function with external bleeding
• Compact Size: 3.60inch x 2.70inch x 1.16inch
• Lightweight: 60g / 0.13lbs (±10%)
• Compatible with WONDOM JAB1 / JAB2 for charging

4. Informació de seguretat

Always prioritize safety when working with lithium batteries. Incorrect handling or installation can lead to serious hazards, including fire or explosion.

• Comprovació de polaritat: Before installation, carefully check and ensure the positive and negative polarity of each battery and the board connections are correct. Incorrect polarity will damage the board and potentially the batteries.
• Tipus de bateria: This board is designed specifically for 18650 Lithium batteries. Do not use it with other battery types (e.g., NiMH, NiCd, LiFePO4) as this can be dangerous.
• Connexió de sèrie: The board is for 3S (three cells in series) configurations only. Do not attempt to use it with a different number of cells.
• Càrrega: Remember, this board does not include a charging circuit. Use a dedicated Lithium battery charger or a compatible WONDOM JAB1/JAB2 board for charging. Never attempt to charge batteries directly through this protection board without an appropriate charging circuit.
• Condicions ambientals: Operate and store the board within the specified temperature ranges to ensure optimal performance and safety.
• Instal·lació professional: If you are unsure about any aspect of installation or wiring, seek assistance from a qualified professional.

5. Configuració i instal·lació

Careful installation is crucial for the proper functioning and safety of the battery protection board. Follow these steps:

5.1 Identificació de components

5.2 Inserció de la bateria

1. Ensure you are using three identical 18650 Lithium batteries.
2. Carefully insert each 18650 battery into the battery holder, paying close attention to the polarity markings (+ and -) on the holder (refer to Figure 2). Incorrect insertion can damage the batteries and the board.

5.3 Connexions de cablejat

The board features various connection points. The primary battery connections are labeled VBAT+ and VBAT-. The included PH-4pos cable is used for charge/discharge connections.

• Connexió de la bateria: Connect the positive terminal of your 3S 18650 battery pack to the VBAT+ terminal on the board and the negative terminal to the VBAT- terminal.
• Connexió de sortida: The output for your application (e.g., portable speaker) should be connected to the appropriate terminals, typically through the PH-4pos cable, which handles both charging input and discharging output. Consult the specific wiring diagram for your application or the JAB1/JAB2 board if used for charging.
• Balance Connections: The board automatically manages cell balancing through its internal circuitry and external bleeding function. Ensure all battery cells are properly connected in series within the holder for the balancing feature to work effectively.

Avís crític: Always double-check all connections for correct polarity and secure fit before applying power. Refer to Figure 1 for visual guidance on board layout and connection points. The text on the board itself states: "Please check the positive and negative polarity of the battery before installation."

6. Funcionament

Once properly installed and connected, the WONDOM AA-JA11113 board operates automatically to protect and balance your 3S 18650 battery pack.

• Potència de sortida: The board provides a stable 12.6V output when the batteries are fully charged, suitable for powering compatible devices.
• Funcions de protecció: The board continuously monitors the battery pack for various conditions:
  • If any cell's voltage exceeds the overcharge detection voltage (4.235V), charging will be interrupted.
  • If any cell's voltage drops below the overdischarge detection voltage (2.8V), discharging will be interrupted to prevent damage.
  • In case of excessive discharge current, short circuit, or over-temperature, the board will cut off power to protect the batteries and connected devices.
• Equilibri cel·lular: The integrated balancing function works to equalize the voltage across all three cells, extending the overall lifespan and performance of the battery pack. Balancing typically occurs when cells reach a certain voltage (p. ex., 4.18 V).

6.1 Càrrega de la bateria

As noted, this board does not handle charging. To charge the 18650 batteries, connect your external charging solution (e.g., WONDOM JAB1/JAB2) to the designated charge input terminals, typically via the PH-4pos cable. Ensure the charging voltage and current are appropriate for 3S Lithium batteries.

7. Especificacions

8. Manteniment

The WONDOM AA-JA11113 board is designed for reliable operation with minimal maintenance. However, following these guidelines can help ensure its longevity and performance:

• Mantenir net: Periodically inspect the board for dust or debris. Use a soft, dry brush or compressed air to gently clean the surface. Avoid using liquids or solvents.
• Protecció del medi ambient: Protect the board from moisture, extreme temperatures, and direct sunlight. Ensure it is installed in an enclosure that provides adequate ventilation if used in a high-power application.
• Integritat de la connexió: Regularly check all wiring connections to ensure they are secure and free from corrosion. Loose connections can lead to intermittent operation or damage.
• Salut de la bateria: Monitor the overall health of your 18650 batteries. If any battery shows signs of swelling, leakage, or significant performance degradation, replace the entire pack with new, matched cells.

9. Solució De Problemes

If you encounter issues with your WONDOM AA-JA11113 board, consider the following common troubleshooting steps:

• Sense potència de sortida:
  • Check battery polarity: Ensure all 18650 cells are inserted with correct polarity.
  • Verify battery charge: The batteries might be fully discharged, triggering over-discharge protection. Attempt to charge the pack using a compatible charger (e.g., JAB1/JAB2).
  • Inspect connections: Ensure all VBAT+ and VBAT- connections, as well as output connections, are secure and correctly wired.
  • Check for short circuit: A short circuit in the output or connected device will trigger protection. Disconnect the load and re-test.
  • Over-temperature: If the board is excessively hot, it might have triggered over-temperature protection. Allow it to cool down.
• Charging Issues (when using external charger):
  • Ensure the external charger is compatible with 3S Lithium batteries and is functioning correctly.
  • Verify the charging cable (PH-4pos) is correctly connected to both the board and the charger.
  • Check for overcharge protection: If batteries are already near full, the board's overcharge protection might prevent further charging.
• Unbalanced Cell Voltages:
  • The board has an automatic balancing function. Allow sufficient time for balancing to occur, especially after initial setup or deep discharge.
  • Ensure all battery cells are healthy and of similar capacity. Severely mismatched or damaged cells may not balance effectively.

If the problem persists after these steps, contact WONDOM customer support or your retailer for further assistance.

10. Consells d'usuari

• Use Matched Batteries: For optimal performance and longevity, always use three 18650 cells of the same brand, model, and age, with similar internal resistance and capacity.
• Tancament adequat: When integrating the board into a project, ensure it is housed in a suitable enclosure that protects it from physical damage, dust, and moisture, while allowing for adequate heat dissipation.
• Monitoritzar l'estat de la bateria: Periodically check the individual cell voltages if possible, especially if you notice a decrease in overall battery pack performance. This can help identify a failing cell before it affects the entire pack.
• Consider a Charging Solution: Since this board does not include a charger, plan for an appropriate external charging solution from the outset. WONDOM JAB1/JAB2 boards are recommended for seamless integration.

11. Garantia i Suport

For specific warranty terms and conditions, please refer to the documentation provided by your retailer or contact WONDOM customer support directly. Keep your proof of purchase for any warranty claims.

For technical support or further inquiries, please visit the official WONDOM weblloc o poseu-vos en contacte amb el seu departament d'atenció al client.