1. Product Overview
The Tewaycell 30KWh Powerwall is a high-capacity 51.2V 600Ah LiFePO4 battery pack designed for household energy storage systems. It features a built-in 300A Battery Management System (BMS) with CAN and RS485 monitoring capabilities, offering a maximum output of 15KW. This mobile pack is engineered for reliability and long cycle life, making it an ideal solution for solar energy storage applications.
2. Safety Information
WARNING: This product contains Lithium carbonate, a chemical known to the State of California to cause developmental toxicity. For more information go to www.P65Warnings.ca.gov
KEEP OUT OF REACH OF CHILDREN. In case of ingestion, seek medical attention immediately.
- Do not immerse the battery in water or allow it to get wet.
- Do not use or store the battery where it is exposed to extremely high temperatures.
- Do not use the battery in strong electrostatic and magnetic fields, as this may compromise battery safety.
- Do not reverse the positive (+) and negative (-) terminals to prevent reverse connection.
- Charge the battery with the specified charger according to charging requirements.
- Ensure correct connection between the inverter and MPPT. For technical problems, contact Tewaycell support.
3. Product Specifications
| Feature | Specification |
|---|---|
| Brand Name | Tewaycell |
| Model Number | TW-MB51600-300A-HWB |
| Type | LiFePO4 |
| Combination | 16S2P |
| Nominal Voltage | 51.2V (16S) |
| Nominal Capacity | 600Ah@0.2C |
| Battery Energy | 30,720Wh (30KWh) |
| Internal Resistance | ≤100mΩ |
| Cycle Life | 6000+ times |
| Self Discharge | ≤3.5% (every month@25°C) |
| Charging Voltage | 56.8V |
| Charging Cut-off Voltage | 57.6V |
| Standard Discharge Current | 150A |
| Maximum Sustained Discharge | 600A |
| Maximum Pulse Current | 600A (＜30S) |
| Maximum Continuous Charging Current | 300A |
| Maximum Output Power | 15KW |
| BMS | 16S 300A |
| Charging Temperature | 0°C to 45°C |
| Discharge Temperature | -20°C to 60°C |
| Dustproof and Waterproof Rating | IP55 |
| Shell Material | SPCC |
| Size (L*W*H) | 700*500*730mm |
| Weight | 236KG |
| Communication Ports | RS485*3 / CAN / RS232 |
| Application | Household energy storage |
| Certification | CE |
4. Package Contents
The following items are included in your Tewaycell Powerwall package:
- Tewaycell 30KWh Powerwall Battery Pack
- Fit screws for installation
- Parallel power cable (for connecting multiple units)
- Inverter cable for RS485/CAN/RS232 communication
- Mechanical support
5. Setup and Installation
5.1 Physical Installation
The Tewaycell Powerwall is designed with anti-skid wheels for mobility. Position the unit in a well-ventilated area, away from direct sunlight and extreme temperatures. Ensure the installation site complies with local electrical codes and safety regulations.
5.2 Electrical Connections
Connect the battery pack to your solar panel system, generator, utility grid, and home inverter as per the application diagram. Ensure all connections are secure and correctly polarized (positive to positive, negative to negative).
5.3 DIP Switch Settings (ADS)
The battery pack features ADS DIP switches on the back for configuration. If using a single unit, set the switches to ON OFF OFF OFF. For multiple units connected in parallel, refer to the specific configuration requirements in your system's documentation.
5.4 Parallel Connections
The Tewaycell Powerwall supports up to 16 parallel connections for increased capacity and power output. Use the provided parallel power cables for these connections. Ensure proper wiring and configuration when connecting multiple units.
5.5 Inverter Compatibility
The Tewaycell Powerwall is compatible with a wide range of inverter brands for seamless integration into your energy system. These include, but are not limited to:
- Victron Energy
- Pylontech
- Deye
- SMA
- Growatt
- Goodwe
- Voltronic Power
- MPP Solar
- Sofarsolar
- Megarevo
- Tbbpower
- Schneider Electric
- ARUN Technology
- SOLAX POWER
- LTW
- SZPC
- BAKEE
- MUST
- LUXPOWERTEK
- SRNE Solar
6. Operation
6.1 Powering On/Off
Locate the main battery switch on the unit (refer to Figure 6). To power on, switch it to the 'ON' position. To power off, switch it to 'OFF'.
6.2 Battery Menu Display
The integrated battery menu display provides real-time information about the battery's status. Use the buttons adjacent to the display to navigate through different parameters and settings.
6.3 Charging and Discharging
The battery pack is designed for automatic charging and discharging when connected to a compatible inverter and energy system. Ensure your inverter settings are configured correctly for LiFePO4 batteries to optimize performance and longevity.
7. Monitoring
7.1 Communication Ports
The battery pack is equipped with RS485 (x3), CAN, and RS232 communication ports. These ports allow for external monitoring and control of the battery system via compatible devices and software.
7.2 PC Monitoring Software
Utilize the dedicated PC monitoring software to access detailed real-time data, multi-monitoring information, and parameter settings. The software allows for comprehensive oversight of battery performance and health.
7.3 Battery Management System (BMS)
The built-in 300A BMS provides perfect battery protection, including:
- Overcharge Protection
- Overdischarge Protection
- Power Display
- Temperature Monitoring (NTC)
- Automatic Battery Balancing
- Current Protection
8. Maintenance
- Regularly inspect the battery pack for any physical damage or loose connections.
- Keep the battery clean and free from dust and debris.
- Ensure adequate ventilation around the battery to prevent overheating.
- Avoid exposing the battery to extreme temperatures (outside -20°C to 60°C for discharge, 0°C to 45°C for charge).
- Do not attempt to open or repair the battery pack yourself. Contact qualified personnel for service.
9. Troubleshooting
If you encounter issues with your Tewaycell Powerwall, consider the following:
- No Power Output: Check the main battery switch (Figure 6) to ensure it is in the 'ON' position. Verify all cable connections are secure and correctly polarized.
- Abnormal Readings on Display: Consult the PC monitoring software (Figure 10) for detailed diagnostics. Check parameter settings (Figure 11) for any incorrect configurations.
- System Not Charging: Ensure the inverter and MPPT connections are correct and functioning. Verify charging voltage and current settings are within specifications.
- Over-temperature Warning: Ensure the battery is in a well-ventilated area and not exposed to direct heat sources. Check the ambient temperature.
For persistent issues or technical problems, please contact Tewaycell customer support.
10. User Tips
- Professional Installation: Due to the size and power of this unit, professional installation is highly recommended to ensure safety and optimal performance.
- System Integration: When integrating with existing solar or generator systems, ensure all components are compatible and correctly configured to avoid damage or inefficiency.
- Monitoring: Regularly check the battery status via the integrated display or PC monitoring software to keep track of its health and performance.
11. Warranty and Support
The Tewaycell 30KWh Powerwall comes with a 10-year life expectancy and a 7-year warranty on the battery cells (AH). For warranty claims or technical support, please contact Tewaycell customer service. Ensure you have your product model number and purchase details available.
12. Compliance Information
This product is CE certified, indicating compliance with European health, safety, and environmental protection standards.
