1. Introduction
The Aoleaby JK Smart Active Balancer B10A24S is an advanced battery management system (BMS) designed to optimize the performance and longevity of your battery packs. It features high-current active balancing, Bluetooth (BT) connectivity for mobile app control, and support for various battery chemistries including LiFePo4, Li-ion, and LTO. This manual provides essential information for the safe and efficient installation, operation, and maintenance of your JK Smart Active Balancer.
2. Product Overview
The JK Smart Active Balancer B10A24S is engineered to manage battery cells from 2S to 24S configurations, providing a robust 10A active balance current. Its integrated Bluetooth module allows for real-time monitoring and configuration via a dedicated mobile application.
Key Features:
- JK Own Development APP: Monitor and configure BMS settings via Bluetooth on your smartphone.
- Active Balance: High-current active balancing (up to 10A) to equalize cell voltages, enhancing battery efficiency and lifespan.
- Full Functionality: Provides protection against over-charge, over-discharge, over-current, short circuit, and includes low-temperature charging cutoff.
- Wide Compatibility: Supports 2S-24S LiFePo4, Li-ion, and LTO battery systems.
- Communication Interfaces: Includes RS485 and CAN for advanced integration.
Components:
The package typically includes the main balancer unit, wiring harnesses for cell connections, and communication cables.
Figure 2.1: The JK Smart Active Balancer B10A24S unit, housed within a protective case, showcasing the main balancer module, cell voltage sensing wires, and power cables. Key specifications like "Function: BT", "Balance Current: 10A", "Battery Strings: 2S-24S", and "Battery Type: Li-ion/Lifepo4/LTO" are visible.
Figure 2.2: A detailed view of the individual components included with the balancer: the main balancer board, multiple sets of cell voltage sensing wires with alligator clips, and power connection cables. The protective case is also shown.
3. Setup and Installation
Proper installation is crucial for the safe and effective operation of the JK Smart Active Balancer. Always ensure the battery pack is disconnected from any load or charging source before beginning installation.
Safety Precautions:
- Wear appropriate personal protective equipment (PPE), including safety glasses and insulated gloves.
- Ensure all connections are secure and properly insulated to prevent short circuits.
- Verify battery cell polarity before connecting any wires to the balancer. Incorrect connections can cause severe damage to the balancer and battery.
- Work in a well-ventilated area.
Connection Steps:
- Prepare Battery Pack: Ensure your battery pack is within the supported 2S-24S configuration and uses LiFePo4, Li-ion, or LTO cells.
- Connect Cell Voltage Sensing Wires: Carefully connect the individual cell voltage sensing wires from the balancer to each cell of your battery pack, starting from the negative terminal (B-) and proceeding sequentially to the positive terminal (B+). Ensure the correct order and polarity.
- Connect Main Power Cables: Connect the main positive and negative power cables from the balancer to the corresponding terminals of your battery pack.
- Initial Power-Up: Once all connections are verified, power up the balancer. Observe for any unusual behavior or error indicators.
- Bluetooth Pairing: Enable Bluetooth on your smartphone and open the JK BMS APP. Search for and pair with the balancer device.
4. Operating Instructions
The JK Smart Active Balancer is primarily operated and monitored through its dedicated mobile application.
Mobile Application (JK BMS APP):
The JK BMS APP provides a comprehensive interface for monitoring battery status and configuring balancer parameters.
Figure 4.1: Screenshots of the JK BMS mobile application, showing real-time cell voltage monitoring, balance current, and various settings such as Balance Trigger Voltage, Calibrating Voltage, Start Balance Voltage, and Max Balance Current. The app also provides access to version history, privacy settings, and language options.
- Real-time Monitoring: View individual cell voltages, total pack voltage, balance current, and other critical battery parameters.
- Settings Configuration: Adjust parameters such as:
- Balance Trigger Voltage (V)
- Calibrating Voltage (V)
- Start Balance Voltage (V)
- Max Balance Current (A)
- Protection Settings: Configure over-charge, over-discharge, over-current, and short-circuit protection thresholds.
- Firmware Updates: Check for and apply firmware updates through the app.
Active Balancing Function:
The active balancing feature automatically detects voltage differences between battery cells and redistributes energy to equalize them. This process helps prevent overcharging or over-discharging of individual cells, thereby extending the overall lifespan and capacity of the battery pack. The 10A balance current ensures rapid and effective equalization.
5. Maintenance
Regular maintenance ensures the optimal performance and longevity of your JK Smart Active Balancer and the connected battery pack.
- Regular Inspection: Periodically inspect all wiring connections for signs of wear, corrosion, or looseness. Ensure all terminals are clean and secure.
- Software Updates: Keep the JK BMS APP and balancer firmware updated to the latest versions to benefit from new features and bug fixes.
- Environmental Conditions: Operate and store the balancer within its specified temperature range (-20°C to 70°C). Avoid exposure to excessive moisture, dust, or extreme temperatures.
- Cleaning: If necessary, gently clean the balancer unit with a dry, soft cloth. Do not use liquid cleaners or solvents.
6. Troubleshooting
This section addresses common issues you might encounter with your JK Smart Active Balancer.
| Problem | Possible Cause | Solution |
|---|---|---|
| Balancer not powering on | Incorrect power cable connection; Battery voltage too low. | Verify main power cable connections. Check battery pack voltage. |
| Bluetooth connection failure | Bluetooth disabled on phone; Balancer out of range; Interference. | Ensure phone Bluetooth is on. Move closer to the balancer. Restart app and balancer. |
| Cells not balancing | Cell voltage sensing wires incorrectly connected; Balance current setting too low. | Check all cell voltage sensing wire connections for correct order and polarity. Adjust balance current settings in the app. |
| Over-charge/discharge protection triggered | Battery voltage exceeded/fell below set thresholds. | Check charging/discharging conditions. Review protection settings in the app. |
If you encounter issues not listed here or require further assistance, please contact Aoleaby customer support.
7. Specifications
The following table outlines the key technical specifications for the JK Smart Active Balancer B10A24S.
Figure 7.1: A comprehensive table detailing specifications for various JK Smart Active Balancer models, including battery string support, battery type, single cell voltage range, balance accuracy, balance current, power supply range, working temperature, self-consumption, and communication interfaces. The B10A24S model is highlighted.
| Feature | Specification (B10A24S) |
|---|---|
| Battery String Support | 2-24S |
| Battery Type Support | All kinds of Battery Voltage between 1V-5V (Li-ion, LFP, LTO) |
| Single Cells Voltage Range | 1V-5V |
| Balance Accuracy | ±3mV |
| Voltage Differ After Balancing | ≤3mV |
| Balance Current Range | 0.1A-10A |
| Cascade Connecting | YES |
| Cable Resistance Indicator | YES |
| Power Supply Range | 40V-100V |
| Low Voltage Auto Turn Off | YES |
| Working Temperature | -20°C~70°C |
| Self-consumption (Balancing) | 10mA@100V |
| Self-consumption (NOT Balancing) | 6mA@100V |
| Interface | RS485 / CAN |
| Temperature Sensor | YES |
| Dimension (MM) | 234.5*199*42 |
| Weight (g) | 2400 |
8. Warranty and Support
Aoleaby products are manufactured to high-quality standards. For warranty information and customer support, please refer to the product packaging or contact your point of purchase. Keep your purchase receipt as proof of purchase.
For technical assistance or inquiries, please visit the official Aoleaby website or contact their customer service department.