1. Introduction
This manual provides essential information for the safe and efficient operation of your ANENJI 51.2V LiFePO4 Battery. This high-performance energy storage solution is designed for various applications, including solar systems, home energy storage, UPS backup power, off-grid wind power, communication base stations, and RV/marine energy storage. Please read this manual thoroughly before installation and use.
Figure 1: ANENJI 51.2V LiFePO4 Battery with Bluetooth app control interface.
2. Safety Information
Always observe the following safety precautions to prevent injury or damage to the battery and connected equipment:
- Ensure proper ventilation around the battery.
- Do not expose the battery to fire, water, or extreme temperatures.
- Avoid short-circuiting the battery terminals.
- Use only compatible chargers and inverters.
- Keep out of reach of children.
- The battery features a round-edge design for enhanced safety, minimizing accident collision risks.
- The built-in Battery Management System (BMS) provides triple protection against over-voltage, over-load, and over-temperature.
Figure 2: Triple protection features: over-voltage, over-load, and over-temperature protection.
3. Package Contents
Verify that all items are present in your package:
- Battery Pack (x1)
- Power Cable (x2)
- Upper Computer Cable (x1)
- Communication Cable (x1)
Figure 3: Illustration of included package components.
4. Product Overview
4.1. Key Features
- Long Cycle Life: Over 6000 cycles.
- High Energy Capacity: Up to 15.36Kwh (for 300AH model).
- Integrated BMS: Built-in Battery Management System for overall protection.
- Parallel Connection: Supports up to 15 units in parallel for increased energy capacity.
- High Usable Ratio: Up to 95% usable energy ratio.
- Communication: Features RS485 and RS232 standard communication interfaces for real-time monitoring.
- Bluetooth Connectivity: Monitor battery status via a mobile application.
- Durable Design: Round edges for safety and well-designed handles for easy handling.
Figure 4: High usable ratio (95%) and high output power.
4.2. Interface Definition (ANJ-300AH-PX)
Figure 5: Rear panel interface of the ANJ-300AH-PX battery.
- Display Key
- Display Screen
- Power Switch
- Positive Battery Terminal
- Battery Running Indicator
- Fault Light
- SOC Power Display Light
- Inverter 485 Communication Port
- Inverter CAN Communication Port
- Upper Computer Communication Port
- Battery Communication Parallel Port (1)
- Battery Communication Parallel Port (2)
- Negative Battery Terminal
4.3. Interface Definition (ANJ-200AH-PX)
Figure 6: Rear panel interface of the ANJ-200AH-PX battery.
- Control Key
- Display Screen
- Switch
- Positive Terminal
- Negative Terminal
- Address Code
- Reset Button
- Status Indicator
- Operation Indicator
- Warning Indicator
- Power Indicator
- External RS485 Communication Port
- External CAN Communication Port
- RS232 Communication Port
- RS485 Communication Port
5. Specifications
5.1. General Parameters
| Item | ANJ-100AH-PX | ANJ-200AH-PX |
|---|---|---|
| Nominal Voltage | 51.2V | 51.2V |
| Capacity | 5.12Kwh | 10.24Kwh |
| Cell | LFP 3.2V/100Ah | LFP 3.2V/100Ah |
| Cell Series Parallel Mode | 16S1P | 16S2P |
| Nominal Capacity | 100Ah | 200Ah |
| Working Voltage | 43.2-58.4V | 43.2-58.4V |
| Rated Charge Discharge Current | 50A | 100A |
| Maximum Charge Discharge Current | 100A | 200A |
| Cycle Life | 6000 cycles | 6000 cycles |
| Operating Temperature (Discharge) | 0℃ ~ 55℃ | 0℃ ~ 55℃ |
| Operating Temperature (Charging) | -10℃ ~ 55℃ | -10℃ ~ 55℃ |
| Weight | 46±3Kg | 83±5Kg |
Figure 7: Product parameter table for ANJ-100AH-PX and ANJ-200AH-PX.
5.2. ANJ-300AH-PX Specific Parameters
| No. | Item | General Parameter | Remark |
|---|---|---|---|
| 1 | Combination method | 3.2V304Ah Cell-16S1P | |
| 2 | Rated Capacity | Minimum 300Ah | Standard discharge after Standard charge (package) |
| 3 | Factory Voltage | 52-54V | Mean Operation Voltage |
| 4 | Voltage at end of Discharge | 40V | Discharge Cut-off Voltage |
| 5 | Charging Voltage | 58.4V | |
| 6 | Internal Impedance | ≤13mΩ | Internal resistance measured at AC 1KHz after 50% charge. The measure must uses the new batteries that within one week after shipment and cycles less than 5 times. |
| 7 | Standard charge | Constant Current: 100A, Constant Voltage: See No.5, cut-off: 0.02C A | Charge time: Approx 1h |
| 8 | Limiting current | 10A | |
| 9 | Standard discharge | Constant current: 100A, end voltage: see No.4 | |
| 10 | Maximum Continuous Charge Current | 200A | T≥10℃ |
| 11 | Operation Temperature Range | Charge: 0~45℃, Discharge: -20~55℃ | Bare Cell 60±25%R.H. |
| 12 | Storage Temperature Range | Less than 3 months: -10~45℃, Less than 8 months: -10~35℃, Less than 7 days: -20~65℃ | at the shipment state less than 3 months 60±25%R.H. |
Figure 8: Detailed parameters for ANJ-300AH-PX.
5.3. Communication Protocols
| CnName | EnName | Value(Hex) | Type |
|---|---|---|---|
| Pylon | Pylon | 01 | CAN |
| Growatt | Growatt | 02 | CAN |
| Victron | Victron | 03 | CAN |
| SE | SE | 04 | CAN |
| LUX | LUX | 05 | CAN |
| SMA | SMA | 07 | CAN |
| Common | Common | 08 | CAN |
| Studer | Studer | 09 | CAN |
| Megarevo | Megarevo | 0A | CAN |
Figure 9: Supported communication protocols (CAN type).
6. Setup and Installation
6.1. System Connection Overview
The ANENJI LiFePO4 battery is designed to integrate into various energy systems. A typical setup involves connecting the battery to a BP Inverter, which manages power flow from sources like solar panels, the utility grid, or a generator, and distributes it to home loads.
Figure 10: High-level system connection diagram. Power sources (Solar panel, Utility grid, Generator) connect to a BP Inverter. The BP Inverter connects to the ANENJI LiFePO4 Battery and Home Loads (e.g., refrigerator, TV, microwave). Monitoring is available via cube wifi/GPRS, PV butler WEB, and PV butler APP.
6.2. Parallel Connection
For increased energy capacity, up to 15 ANENJI battery units can be connected in parallel. Ensure all batteries are of the same model and charged to similar voltage levels before connecting in parallel. Use the provided battery communication parallel ports for proper synchronization.
Figure 11: Modular design allows extension by connecting up to 15 units in parallel to achieve greater energy capacity (e.g., 15kWh).
6.3. Physical Installation
The battery can be installed using wall brackets, suitable for various locations such as touring cars or exterior walls of buildings. Ensure the installation location is dry, well-ventilated, and within the specified operating temperature range.
Figure 12: Wall brackets for flexible installation in different environments.
7. Operating Instructions
7.1. Powering On/Off
Use the ON/OFF switch (Item 3 on interface diagrams) to control the battery's output. The display screen (Item 2) will show real-time battery status.
7.2. Monitoring Battery Status
The liquid crystal LED display on the front panel allows you to monitor battery status at any time. Key information displayed includes voltage (Vapck), State of Charge (SOC), current (Curr), and temperature (Temp).
Figure 13: Liquid crystal LED display for real-time battery status monitoring.
7.3. Bluetooth and Communication
The battery supports Bluetooth connectivity, allowing you to monitor detailed information of the battery bank via a dedicated mobile application (PV butler APP). Standard RS485 and RS232 communication interfaces are also available for integration with other systems and upper computer monitoring.
8. Maintenance
- Regular Inspection: Periodically check the battery terminals for corrosion and ensure all connections are secure.
- Cleaning: Keep the battery clean and free from dust and debris. Use a dry cloth for cleaning.
- Temperature Management: Ensure the battery operates within the specified temperature ranges for charging and discharging to maximize lifespan.
- Storage: If storing the battery for extended periods, refer to the storage temperature ranges in the specifications section (Table 5.2) and ensure it is stored at an appropriate State of Charge (SOC).
9. Troubleshooting
- Battery Not Powering On: Check the power switch (Item 3 on interface diagrams) and ensure it is in the 'ON' position. Verify all power cables are securely connected.
- Fault Light (Item 6 on ANJ-300AH-PX interface) / Warning Indicator (Item 10 on ANJ-200AH-PX interface) is On: This indicates an issue detected by the BMS. Possible causes include over-voltage, over-load, or over-temperature. Check the display screen for specific error codes or warnings. Disconnect loads and allow the battery to cool down if an over-temperature warning is present.
- No Display on Screen: Ensure the battery is powered on. If the issue persists, contact customer support.
- Communication Issues: Verify that communication cables are correctly connected to the appropriate ports (RS485, RS232, CAN). Ensure the mobile app or upper computer software is correctly configured and updated.
10. User Tips
- Balance Function: The built-in balance function helps maintain cell voltage consistency, extending battery life.
- Storage History: Utilize the storage history function (via communication interfaces) to track battery performance over time.
- High Efficiency: The battery boasts ≥96% efficiency, ensuring minimal energy loss during operation.
- Parallel Expansion: Plan your energy needs and consider utilizing the parallel connection capability to scale your system as required, up to 15 units.
11. Warranty and Support
For warranty information, please refer to the terms and conditions provided at the time of purchase or contact your seller directly. For technical support or service inquiries, please reach out to ANENJI customer service through the contact details provided on their official website or your purchase platform.
