1. Introducció
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Tewaycell 48V 300Ah 15KWH Lithium Battery Pack Power Wall. This all-in-one energy storage system is designed for home solar applications, integrating PV power generation, intelligent power storage, and inverter functions into a single, compact unit. Please read this manual thoroughly before using the product.
2. Informació de seguretat
WARNING: Failure to follow these safety instructions may result in electric shock, fire, serious injury, or death.
- Always ensure the system is properly grounded before making any connections.
- Do not attempt to open or disassemble the battery pack or inverter unit. There are no user-serviceable parts inside.
- Keep the unit away from water, moisture, and flammable materials.
- Assegureu-vos que hi hagi una ventilació adequada al voltant de la unitat per evitar el sobreescalfament.
- Only qualified personnel should perform electrical installations and maintenance.
- Wear appropriate personal protective equipment (PPE) when working with the system.
- In case of fire, use a Class D fire extinguisher (for lithium-ion batteries). Do not use water.
3. Característiques del producte
The Tewaycell Power Wall is an advanced, integrated energy storage solution with the following key features:
- Vida útil de cicle elevat: Over 6000 cycles with 80% Depth of Discharge (DOD).
- Disseny integrat: All-in-one unit with built-in 5KW inverter and 15S 100A Battery Management System (BMS).
- High-Quality Battery Cells: Utilizes Grade A LiFePO4 battery cells, tested for sufficient capacity before installation.
- Estalvi d'espai: Patented vertical structure design.
- High Usable Capacity: 95% DOD for maximum energy utilization.
- Mobilitat fàcil: Equipped with rollers and handles for convenient movement.
- Comunicació avançada: Supports CAN, RS485, and RS-232 communication protocols.
- Escalabilitat: Supports parallel connection of up to 6 units for a maximum 30KW output.
- Construcció robusta: Features laser welding for internal battery connections, reducing resistance and improving battery life.
Figure 1: Tewaycell Power Wall with key features.
Figure 2: Patented vertical structure for space-saving design.
Figure 3: Easy moving with rollers and handle.
Figure 4: Grade A LiFePO4 Battery Cells and Laser Welding.
4. Configuració i instal·lació
Professional installation is highly recommended for this system. Ensure all local electrical codes and regulations are followed.
4.1 Desembalatge i col·locació
- Carefully unpack the unit and inspect for any shipping damage.
- Place the Power Wall on a flat, stable surface in a well-ventilated area, away from direct sunlight, heat sources, and moisture.
- Utilize the integrated rollers and handles for easy positioning.
4.2 Connexions elèctriques
Refer to the connection panel on the top of the unit (Figure 5) for wiring.
Figure 5: Connection Panel Overview.
- Entrada PV: Connect your solar panel array to the PV+ and PV- terminals. Ensure correct polarity and voltage within the specified range (120V~500V).
- Entrada de CA: Connect the grid AC power supply to the AC input port.
- Sortida de CA: Connect your home's electrical load to the AC output port.
- Port de la bateria: This port is for internal battery connection and typically pre-wired. Do not alter unless instructed by a professional.
- Posada a terra: Assegureu-vos que la unitat estigui correctament connectada a terra d'acord amb els codis elèctrics locals.
4.3 Connexions de comunicació
The unit supports RS485, CAN, and RS-232 communication. These ports are typically located on the side or rear of the unit (Figure 6).
Figure 6: RS485/CAN Communication Ports.
- Connect communication cables as required for monitoring or parallel operation.
- DIP switches (if present, as shown in video) may need to be configured for specific communication protocols or parallel settings. Consult a professional for correct configuration.
4.4 Connexió en paral·lel (opcional)
The system supports parallel connection of up to 6 units to achieve a maximum output of 30KW. Refer to the parallel connection diagram (Figure 7) and consult a qualified electrician for proper setup.
Figure 7: Parallel Connection Diagram and Internal Components.
5. Instruccions de funcionament
5.1 Engegada inicial
- After all connections are securely made and verified, switch on the main circuit breaker for the system.
- Turn on the individual switches on the unit's top panel (PV IN, AC IN, AC OUT, BAT) in the recommended order (e.g., BAT first, then PV IN, AC IN, AC OUT).
- The LED displays will illuminate.
5.2 Operació de visualització
The unit features two LED displays: one for the Battery Controller (BMS) and one for the Inverter Controller (Figure 8).
Figure 8: External Displays and Controls.
Use the MENU, ENTER, DOWN, and ESC buttons to navigate through the display menus.
- Battery Controller Display: Shows battery parameters such as Pack Voltage (PackV), Current (Im), Temperature, and individual Cell Voltages.
- Inverter Controller Display: Shows inverter status, input/output voltage, current, load percentage, and charging status (AC/INV, CHARGE, FAULT indicators).
Video 1: Demonstration of display operation and physical features like handles and rollers.
5.3 modes de treball
The inverter has a variety of working modes, allowing it to function as a main power supply in areas without electricity or as a backup power supply to handle sudden power failures. The system can respond flexibly to different energy needs.
6. Manteniment
Regular maintenance ensures the longevity and optimal performance of your Power Wall.
- Inspecció visual: Periodically check all cables and connections for signs of wear, corrosion, or damage. Ensure they are tight and secure.
- Neteja: Keep the unit clean and free from dust and debris. Use a dry, soft cloth. Do not use liquid cleaners.
- Ventilació: Assegureu-vos que les obertures de ventilació no estiguin bloquejades per permetre un flux d'aire adequat i evitar el sobreescalfament.
- Condicions ambientals: Operate the unit within the specified temperature and humidity ranges (refer to specifications).
- Salut de la bateria: The integrated BMS monitors battery health. If any warnings or fault codes appear, consult the troubleshooting section or contact support.
7. Solució De Problemes
If you encounter issues with your Tewaycell Power Wall, refer to the following common problems and solutions:
- La unitat no s'encén:
- Check all power switches (main breaker, unit switches) are in the ON position.
- Verify AC input and battery connections. - Sense sortida de CA:
- Check the AC OUT switch.
- Assegureu-vos que la bateria tingui prou càrrega.
- Check for any fault indicators on the inverter display. - Indicador d'error encès:
- Note the specific fault code or message displayed.
- Common faults include over-voltage, baix voltage, over-current, or high temperature.
- Turn off the unit, wait a few minutes, and restart. If the fault persists, contact technical support. - La bateria no es carrega:
- Check PV input connections and ensure solar panels are receiving sunlight.
- Verify AC input connection if charging from the grid.
- Check the CHARGE indicator on the inverter display.
For complex issues or persistent problems, contact Tewaycell technical support.
8. Especificacions
| Característica | Specification (TW-MB48300-100A-HWB(15S)) | Specification (TW-MB51300-100A-HWB(16S)) |
|---|---|---|
| Model de bateria | TW-MB48300-100A-HWB(15S) | TW-MB51300-100A-HWB(16S) |
| Energia de la bateria | 14.4 kWh | 15.36 kWh |
| Capacitat | 300 Ah | 300 Ah |
| Pes (aprox.) | 136 kg | 140 kg |
| Dimensió (L×P×H) | 1005×520×300 mm | 1005×520×300 mm |
| Funcionament de la bateria Voltage | 44.8 ~ 57.6V | 44.8 ~ 57.6V |
| Corrent de càrrega màxim | 100 A | 100 A |
| Corrent màxim de descàrrega | 100 A | 100 A |
| DOD Designed Life-span | 80% DOD, >6000 Cycles @ 0.2C/25℃ charging/discharging, until 80% capacity. | |
| Tipus de càrrega solar | MPPT | MPPT |
| Potència màxima d'entrada fotovoltaica | 5500 W | 5500 W |
| Corrent de càrrega fotovoltaica | 0~100 A | 0~100 A |
| Vol d'operació fotovoltaicatage Rang | 120 V ~ 500 V | 120 V ~ 500 V |
| Maximum AC Charge Power | 3150 W | 3150 W |
| Interval de corrent de càrrega de CA | 0~60 A | 0~60 A |
| Vol. d'entrada nominal de CAtage | 220/230 Vac | 220/230 Vac |
| Volum d’entrada de CAtage Rang | (170Vac~280Vac) ±2% / (90Vac-280Vac) ±2% | |
| Potència nominal de sortida de CA | 5000 W (16S) | 5500 W (16S) |
| Maximum AC Output Current | 22 A | 22 A |
| Freqüència | 50 Hz/60 Hz | 50 Hz/60 Hz |
| Corrent de sobrecàrrega | 40 A | 40 A |
| Material | Acer inoxidable | |
| Tipus de sistema | Mobile ESS, All-In-One | |
| Port de comunicació | CAN, RS485, RS-232 | |
| Connexió a la xarxa | Fora de la xarxa | |
| Corrent de descàrrega màxima | 300A (<30S) | |
| Certificació | CE/UN38.3/MSDS | |
| Rang de potència de sortida | 10~20 kWh | |
9. Consells d'usuari
- DIY Battery Pack: While the unit is an all-in-one solution, some users may consider customizing or expanding their battery setup. If you plan to build your own battery pack, ensure that the BMS and inverter are compatible and correctly configured to avoid damage and ensure safe operation. It is highly recommended to consult with a professional or the manufacturer for guidance on compatibility and wiring.
- System Scalability: Avançanttage of the parallel support feature to expand your energy storage capacity as your needs grow. Plan your system layout and wiring carefully when adding more units.
10. Preguntes freqüents (FAQ)
- Q: Can I make up the battery pack by myself?
- Re: Yes, you can DIY by yourself. If you worry about it not working with the BMS and inverter, we can provide you with them and make sure they can be matched.
11. Garantia i Suport
For warranty information, technical support, or service requests, please contact your seller or the manufacturer directly. Ensure you have your product model number and purchase details available when contacting support.
