1. Introduction
This manual provides essential information for the safe and efficient operation of your Tewaycell 5KWH 51.2V 100AH All-in-One Powerwall LiFePO4 Battery System. This integrated unit combines a high-capacity LiFePO4 battery with a built-in 5KW inverter, designed for home energy storage and solar applications. Please read this manual thoroughly before installation and use.
Image: Tewaycell 5KWH 51.2V 100AH All-in-One Powerwall with key features highlighted.
2. Safety Information
WARNING: Failure to follow these safety instructions may result in electric shock, fire, serious injury, or death.
- KEEP OUT OF REACH OF CHILDREN. In case of ingestion, seek medical attention immediately.
- Do not charge beyond the maximum charging rate specified in the technical data.
- Do not disassemble or modify the battery system. Unauthorized modifications can lead to dangerous situations and void the warranty.
- Do not throw or hit the battery system.
- Do not pierce the battery with sharp objects (e.g., nails, knives, pens, electric drills).
- Do not mix this unit with other types of batteries or modular units.
- Do not excessively squeeze the battery during use or installation.
- Do not place the battery system in high temperatures greater than 60°C.
- Do not use conductive materials (e.g., metals, wires) to connect the positive and negative terminals directly.
- Always check the orientation of the positive and negative terminals before making any connections.
- Ensure proper insulation of all terminals and wires to prevent short circuits.
- Do not wear metal jewelry (such as rings, watches, accessories) when handling the battery unit.
3. Product Overview
The Tewaycell All-in-One Powerwall is a compact and efficient energy storage solution. It features a robust LiFePO4 battery, a smart Battery Management System (BMS), and a powerful 5KW inverter, all housed in a durable stainless steel casing. It is designed for various applications including household energy storage, solar/wind power systems, RVs, caravans, and backup power.
Image: Front view of the Tewaycell All-in-One Powerwall.
Built-in BMS Features:
Image: Diagram illustrating the features of the built-in Battery Management System (BMS).
- Over Charge Protection
- Overdischarge Protection
- Power Display
- Temperature Monitoring (NTC)
- Automatic Battery Balancing
- Current Protection
4. Setup and Installation
4.1 Unpacking and Inspection
Upon receiving your Tewaycell Powerwall, carefully inspect the packaging for any signs of damage. Unpack the unit and check its contents against the packaging list below. If any items are missing or damaged, contact your supplier immediately.
Image: Visual representation of the secure packaging process for the Powerwall.
4.2 Packaging List
Image: Table detailing the contents included in the product packaging.
| NO. | Item | Quantity | Specification |
|---|---|---|---|
| 1 | All-in-one Machine | 1 | |
| 2 | Inverter parallel communication line | 1 | |
| 3 | Inverter parallel communication line | 1 | |
| 4 | Photovoltaic connectors | 2 | |
| 5 | Three hole AC plug | 2 | |
| 6 | Disassembly and assembly tools for solar panel connectors | 1 | |
| 7 | Operating manual | 1 |
4.3 Physical Dimensions
Image: Diagram showing the dimensions of the Powerwall (660mm H x 450mm W x 300mm D) and close-ups of the display and wheels.
4.4 Connection Ports
The Powerwall features clearly labeled ports for PV input, AC input/output, and battery connections. Ensure all connections are secure and correctly polarized.
Image: Close-up view of the connection ports (PV Port, AC Input Port, AC Output Port, Battery Port) and internal circuit breakers (PV IN, AC IN, AC OUT, BAT).
4.5 Communication Interfaces
The unit includes various communication interfaces for monitoring and control, including RS485, CAN, RS232, and USB.
Image: Diagram of the Battery Communication Interface, detailing ports for Reset, DIP Switch, Dry contact, RS485 (for inverter and PC), CAN (for inverter), RS232, and LED indicators (ON/OFF, RNU/ALM, SOC).
4.6 Wiring Diagrams
The Tewaycell Powerwall can be integrated into various energy systems. Below is an example of a 3-phase circuit configuration.
Image: A 3-Phase Circuit diagram showing three 15KWH batteries connected to an Air Switch, which then connects to three 5KW inverters. Note: The cable connecting the Air Switch to the inverters needs to support 300A current.
Image: System diagram illustrating how the Powerwall integrates with DC (solar panels), AC (generator, grid) inputs, and provides AC output to household appliances.
5. Operating Instructions
5.1 Powering On/Off
The unit features separate power buttons for the battery and inverter sections.
Image: Front panel view indicating (1) Battery Power button, (2) Inverter Power button, (3) Battery Display, and (4) Inverter Display.
- Press the Battery Power button (1) to activate the battery system.
- Press the Inverter Power button (2) to activate the inverter function.
- To power off, reverse the sequence: turn off the inverter first, then the battery.
5.2 Monitoring Data
The integrated displays (3) and (4) provide real-time information about the battery status and inverter operation. For detailed monitoring and configuration, connect the unit to a PC using the communication interfaces.
Image: Screenshots of detailed monitoring data displays, showing charge characteristics, discharge curves, open circuit voltage vs. State of Charge (SOC), and test conditions. These interfaces allow for comprehensive system oversight.
6. Maintenance
6.1 General Care
- Keep the unit clean and free from dust and debris. Use a dry, soft cloth for cleaning.
- Ensure adequate ventilation around the unit to prevent overheating. The cooling method is Force-Air Cooling.
- Regularly check all cable connections for tightness and signs of wear.
6.2 Storage
When not in use for extended periods, store the battery system in a cool and dry place. The recommended storage conditions are:
- Temperature: Below 35°C
- State of Charge (SOC): 30%~50%
- Charge and discharge the unit once every 3 months to maintain battery health.
Do not place the battery in direct sunlight or near any heat sources.
6.3 Temperature Considerations
The operating temperature range for the unit is -15°C to 55°C. Charging should occur between 0°C and 45°C, and discharging between -10°C and 45°C. If the cell temperature exceeds the absolute charging temperature, charging must be stopped immediately.
7. Troubleshooting
7.1 Fire Extinguishing Function
The Tewaycell Powerwall is equipped with an aerosol fire extinguishing device for enhanced safety. In the event of a short circuit leading to fire, this device can detect the temperature and automatically activate to extinguish the fire.
Image: Internal view of the fire extinguishing device and its specifications.
| Item | Parameter |
|---|---|
| Model specifications | QRR0.04G / S-MC-40-F-02-11 |
| Working temperature range | -30°C ~ +60°C |
| Relative humidity of working environment | ≤ 95% RH |
| Start mode | Hot start |
| Spray time | ≤ 3s |
| Starting temperature of thermal initiator | 170 ± 10°C |
7.2 Common Issues and Solutions
- No Power: Check all cable connections, ensure the battery and inverter power buttons are pressed, and verify input power sources (PV, AC grid/generator).
- Inverter Not Outputting AC: Check the inverter display for error codes. Ensure the load is within the rated output power. Verify AC output circuit breakers are engaged.
- Battery Not Charging: Check PV input voltage and current. Ensure solar panels are receiving adequate sunlight. Verify AC input power if charging from the grid/generator. Check charging temperature is within range (0-45°C).
- Over-temperature Warning: Ensure the unit has sufficient ventilation. Reduce load if operating in high ambient temperatures. Check cooling fan operation.
For persistent issues or error codes not listed, please refer to the detailed troubleshooting section in the full operating manual (if available) or contact customer support.
8. Specifications
Below are the detailed technical specifications for the Tewaycell 5KWH 51.2V 100AH All-in-One Powerwall.
| Parameter Category | Specification |
|---|---|
| Model | TW-AO-MB51100-5KW |
| Battery Capacity | 100AH |
| Battery Energy | 5120WH (5.12KWH) |
| Rated Output Power | 5000W (5KW) |
| Max. Charging & Discharging Current | 100A |
| Rated Output Voltage | 220V / 230Vac (L1 / N / PE single-phase) |
| Load Capacity of Motors | 6HP |
| DOD Designed Life-span | 80% |
| Cycle Life | >6000 Cycles @ 0.2C / 25℃ Charging / Discharging at 80%DOD, Until 80% Capacity |
| Switch Time | ＜15ms (typical) |
| Battery Working Voltage Range | 44.8 ～ 57.6V |
| Solar Charge Type | MPPT |
| Max. PV Output Power | 5500W |
| Max. PV Output Current | 22A |
| PV Operating Voltage Range | 120-500Vdc |
| MPPT Voltage Range | 120-450Vdc |
| PV Charging Current Range | 0-100A |
| AC Input Voltage Range | (170Vac~280Vac) ± 2% / (90Vac-280Vac) ± 2% |
| Frequency Range | 50 / 60Hz |
| Bypass Overload Current | 40A |
| MPPT Tracking Efficiency | 99.9% |
| Battery Inverter Efficiency | >92.00% |
| Protection Degree | IP20, Indoor Only |
| Operating Temperature Range | -15~55℃, >45℃ derated |
| Charging Temperature Range | 0-45℃ |
| Discharging Temperature Range | -10-45℃ |
| Noise | < 60dB |
| Cooling Method | Force-Air Cooling |
| Inverter Communication Interfaces | RS485 / CAN / USB / Dry contact |
| Battery Communication Interfaces | RS485 / CAN / RS232 |
| External Modules (Optional) | Wi-Fi / GPRS |
| Net Weight | 71.5KG |
| Gross Weight | 95.5 KG |
| Dimensions (L*H*W) | 660×450×300 mm |
9. Warranty and Support
9.1 Warranty Information
The Tewaycell 5KWH 51.2V 100AH All-in-One Powerwall comes with a 5-year warranty. Please retain your proof of purchase for warranty claims. The warranty covers defects in materials and workmanship under normal use and service conditions.
9.2 Certifications
This product is CE certified, ensuring compliance with European safety, health, and environmental protection requirements.
Image: Display of various certifications including CE, and highlights of LiFePO4 battery benefits such as safety, long life, and environmental friendliness.
9.3 Customer Support
For technical assistance, warranty claims, or any questions regarding your Tewaycell Powerwall, please contact your authorized dealer or the Tewaycell customer support team. Refer to your purchase documentation for specific contact details.
10. User Tips
No specific user tips from reviews or Q&A were provided for this product. However, general best practices for battery systems include:
- Regularly monitor the system's performance through the display or connected software.
- Keep the area around the Powerwall clear to ensure proper airflow and cooling.
- Consider professional installation for optimal performance and safety, especially for complex wiring configurations.
