1. Introduction
This manual provides essential information for the safe and efficient use of your OAE Ampinvt 51.2V 320Ah 16.4Kwh LiFePO4 Battery Pack. Please read this manual thoroughly before installation and operation, and retain it for future reference. This battery pack is designed for reliable energy storage in various applications, including solar power systems.
Key Features:
- High Capacity: 51.2V 320Ah (16.4Kwh) LiFePO4 battery for substantial energy storage.
- Integrated BMS: Advanced 200A Battery Management System for optimized performance, safety, and protection against overcharging, over-discharging, overheating, and short-circuiting.
- Long Cycle Life: Designed for over 6000 deep cycles, ensuring extended operational life.
- Grade A Cells: Utilizes high-quality lithium iron phosphate cells for stability and reliability.
- Connectivity: Features Bluetooth and WiFi functions for remote monitoring and control.
- Communication: Equipped with RS485/CAN communication for seamless integration with compatible equipment.
- Real-time Monitoring: External LCD screen provides immediate access to battery data and operating status.
- High Current Capability: Supports a continuous discharge current of 200A and a maximum charge current of 200A.
2. Safety Instructions
Adhering to these safety guidelines is crucial for preventing injury, damage, and ensuring the longevity of your battery pack.
- Installation: Installation should only be performed by qualified personnel. Ensure all connections are secure and correct polarity is observed.
- Ventilation: Install the battery in a well-ventilated area to prevent heat buildup.
- Environment: Avoid exposure to direct sunlight, high temperatures, moisture, or corrosive environments.
- Handling: Do not drop, puncture, or disassemble the battery pack. Avoid strong impacts.
- Tools: Use insulated tools when working with the battery to prevent short circuits.
- Emergency: In case of fire, use a Class D fire extinguisher. Do not use water.
- Children and Pets: Keep the battery pack out of reach of children and pets.
- Disposal: Dispose of the battery pack according to local regulations for lithium batteries. Do not dispose of in general waste.
3. Product Overview
The OAE Ampinvt LiFePO4 Battery Pack is a robust energy storage solution. Familiarize yourself with its components and interfaces.

Image: Front view of the OAE Ampinvt LiFePO4 Battery Pack highlighting its key features: 6000+ life cycles, Smart BMS, LCD Display, and Bluetooth & WiFi connectivity.
Components and Ports:

Image: Detailed diagram showing the front and side panels of the battery pack, indicating the LCD Display, Negative Electrode, Positive Electrode, ADS, CAN/RS485 ports, RS232 port, Power Switch, and WiFi module.
- Negative Electrode (BAT-): Black terminal for negative power connection.
- Positive Electrode (BAT+): Orange terminal for positive power connection.
- LCD Display: Shows real-time battery status, voltage, current, and other operational data.
- LCD Key Indicator: Buttons or interface for navigating the LCD menu.
- ADS Port: Auxiliary data port.
- CAN/RS485 Ports: Communication interfaces for connecting with inverters and other compatible devices.
- RS232 Port: Serial communication port for data exchange.
- Switch: Main power switch for the battery pack.
- WiFi Module: Enables wireless connectivity for remote monitoring.
4. Setup
Proper installation is critical for the safe and optimal performance of your battery pack.
4.1 Unpacking and Inspection
- Carefully unpack the battery pack and inspect it for any signs of damage during transit.
- Verify that all components listed in the packing list are present.
4.2 Mounting
The battery pack features a vertical design, suitable for home energy storage solutions.

Image: The OAE Ampinvt LiFePO4 Battery Pack showcasing its vertical design, suitable for home energy storage.
- Choose a stable, level surface for installation.
- Ensure adequate clearance around the battery for ventilation and maintenance.
- The battery is designed for indoor use in a dry, temperature-controlled environment.
4.3 Electrical Connections
This battery is compatible with various inverters. Refer to your inverter's manual for specific connection requirements.

Image: Diagram illustrating the various ports on the OAE Ampinvt LiFePO4 Battery Pack, including positive and negative terminals, and communication ports.
- Power Connections: Connect the positive (orange) and negative (black) terminals of the battery to your inverter or charge controller using appropriate gauge cables. Ensure correct polarity.
- Communication Connections: Use the RS485/CAN or RS232 ports to establish communication with your inverter or monitoring system, if supported. This allows for data exchange and coordinated operation.
- Grounding: Ensure the battery system is properly grounded according to local electrical codes.
- Initial Charge: Before first use, it is recommended to fully charge the battery pack.
5. Operating Instructions
5.1 Powering On/Off
- To Power On: Flip the main power switch to the 'ON' position. The LCD display should illuminate.
- To Power Off: Flip the main power switch to the 'OFF' position. The LCD display will turn off.
5.2 LCD Display Monitoring
The external LCD screen provides real-time data on the battery's status.
- Use the LCD Key Indicator buttons to navigate through different display screens.
- Monitor parameters such as voltage, current, state of charge (SOC), temperature, and cycle count.
5.3 Bluetooth & WiFi Functionality
The integrated Bluetooth and WiFi modules allow for remote data monitoring and control.
- Bluetooth: Pair your mobile device with the battery pack via Bluetooth to access a dedicated monitoring application (if provided by OAE).
- WiFi: Connect the battery pack to your local WiFi network. This enables remote data access and potentially firmware updates through a cloud-based platform or dedicated application. Refer to the specific application guide for detailed setup instructions.
5.4 BMS Protection Features
The advanced BMS provides comprehensive protection for the battery pack:

Image: Visual representation of the BMS Smart Li-ion Battery Management System's protection features, including temperature, overdischarge, overcharge, overcurrent, overvoltage, battery cell, short circuit, and balanced protection.
- Temperature Protection: Prevents operation outside safe temperature ranges.
- Overdischarge Protection: Stops discharge before cells are damaged by low voltage.
- Overcharge Protection: Prevents charging beyond safe voltage limits.
- Overcurrent Protection: Limits current to prevent damage from excessive loads.
- Overvoltage Protection: Safeguards against excessively high voltage.
- Battery Cell Protection: Monitors individual cell health.
- Short Circuit Protection: Automatically disconnects in case of a short circuit.
- Balanced Protection: Ensures voltage balance across all cells for extended life.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your LiFePO4 battery pack.
- Cleaning: Keep the battery pack clean and free from dust and debris. Use a dry, soft cloth for cleaning. Do not use solvents or abrasive cleaners.
- Connections: Periodically check all electrical connections for tightness and corrosion. Tighten any loose connections.
- Ventilation: Ensure that ventilation openings are not obstructed.
- Storage: If storing the battery for an extended period, ensure it is charged to approximately 50% State of Charge (SOC) and stored in a cool, dry place. Recharge every 3-6 months to prevent deep discharge.
- Firmware Updates: Check for any available firmware updates through the OAE monitoring application or website to ensure your BMS is running the latest software.
7. Troubleshooting
This section provides solutions to common issues. For problems not listed here, contact OAE customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not powering on | Main switch off; Low battery voltage; Internal fault | Ensure main switch is ON. Check battery voltage on LCD. If very low, attempt to charge. If problem persists, contact support. |
| Battery not charging | Charger not connected; Charger fault; BMS protection active; High/low temperature | Verify charger connection and functionality. Check LCD for BMS error codes. Ensure ambient temperature is within operating range. |
| No power output | BMS protection active (e.g., over-discharge, overcurrent); Inverter fault; Loose connections | Check LCD for BMS error codes. Inspect all power connections. Verify inverter operation. |
| Communication issues (Bluetooth/WiFi/CAN/RS485) | Incorrect settings; Loose cable; Software issue; Out of range | Review communication settings. Ensure cables are secure. Restart battery and connected devices. Check WiFi signal strength or Bluetooth proximity. |
| Unusual noise or smell | Internal fault; Overheating | Immediately power off the battery and disconnect it from all loads and chargers. Contact OAE customer support. |
8. Specifications
Detailed technical specifications for the OAE Ampinvt LiFePO4 Battery Pack.

Image: The OAE Ampinvt LiFePO4 Battery Pack displaying its physical dimensions: 950mm height, 550mm width, and 280mm depth.
| Feature | Specification |
|---|---|
| Model Number | LFA-48320-16S-W |
| Nominal Voltage | 51.2V |
| Nominal Capacity | 320Ah |
| Energy Capacity | 16.4Kwh |
| Battery Cell Composition | Lithium Iron Phosphate (LiFePO4) |
| Cycle Life | ≥6000 cycles |
| Continuous Discharge Current | 200A |
| Maximum Charge Current | 200A |
| Battery Management System (BMS) | Integrated 200A BMS with self-balance |
| Communication Interfaces | RS485, CAN, RS232, Bluetooth, WiFi |
| Display | External LCD Screen |
| Product Dimensions (L x W x H) | 21.65 x 11.02 x 37.4 inches (550mm x 280mm x 950mm) |
| Weight | (Information not provided in source data) |
| Operating Temperature | (Information not provided in source data) |
| Manufacturer | Top one power |
9. Applications
The OAE Ampinvt LiFePO4 Battery Pack is designed for versatile energy storage needs across various sectors.

Image: Diagram illustrating the OAE battery pack integrated into a home backup emergency power system, connected to an inverter and supplying power to household appliances.

Image: A collage of images depicting various practical applications for the OAE battery, including RV power supply, home lighting, grassland pastoral areas, mountain power supply, commercial offices, base stations, night market lighting, and camping.
- Residential Solar Systems: Ideal for home energy storage, providing backup power and optimizing self-consumption from solar panels.
- Off-Grid Systems: Reliable power source for remote homes, cabins, or facilities not connected to the main power grid.
- RV and Marine Applications: Provides stable and long-lasting power for recreational vehicles and boats.
- Commercial and Industrial Backup: Suitable for ensuring continuous operation in commercial offices, base stations, and other industrial settings during power outages.
- Portable Power Solutions: Can be integrated into larger portable power setups for events, camping, or temporary installations like night markets.
- PV Systems: Seamless integration with photovoltaic (solar) systems for efficient energy management.