1. Киришүү
This manual provides essential information for the safe and efficient operation of your Tewaycell 48V Powerwall LiFePO4 Lithium Battery System. This all-in-one Energy Storage System (ESS) integrates a LiFePO4 battery pack, a 5KW inverter, and an MPPT solar charge controller, designed for household energy storage applications. Please read this manual thoroughly before installation and use.

Figure 1: Tewaycell All-in-One Energy Storage System
2. Коопсуздук маалыматы
ЭСКЕРТҮҮ: Бул коопсуздук нускамаларын аткарбоо өрт, электр шок же башка жаракат же зыянга алып келиши мүмкүн.
- Батареяны сууга салбаңыз же нымдап кетишине жол бербеңиз.
- Do not use or store the battery where it is exposed to extremely high temperatures.
- Do not use the battery in strong electrostatic or magnetic fields, as this may compromise battery safety.
- Do not reverse the positive (+) and negative (-) terminals. Ensure correct polarity during connection.
- Charge the battery only with the specified charger and according to the charging requirements outlined in this manual.
- Ensure correct connection between the inverter and MPPT. If technical problems arise, contact Tewaycell support immediately.
- This product contains Lithium carbonate, a chemical known to the State of California to cause developmental toxicity. For more information, refer to www.P65Warnings.ca.gov.
- Өрт коркунучун эске алыңыз жана кубаттоо жана сактоо боюнча нускаманы так аткарыңыз.
- For disposal, please check your local authority's website for more information and dispose of the lithium-ion battery safely in accordance with applicable legal requirements.
3. Продукт бүтүп калдыview
The Tewaycell Powerwall system is an integrated solution for home energy storage. It combines a high-capacity LiFePO4 battery with an inverter and MPPT charge controller into a single unit.
3.1 Key Components and Interfaces

Figure 2: System Components and Interfaces
- Integrated Inverter: Converts DC power from the battery/solar panels to AC power for household use.
- Built-in BMS Battery Pack: Manages battery charging, discharging, and overall health.
- PV порт: Connection point for solar panels (PV+ PV-).
- AC туташуу порту: Includes AC Input Port (L N) and AC Output Port (L N).
- Батарея порту: For connecting the internal battery or for parallel connections (+ -).
- Байланыш порттору: RS485, CAN, RS232, WIFI for monitoring and control.
- Battery Menu: User interface for system settings and status display.
- Аба алмаштыргыч: Main power switch for the system.
- Concave Handle: For ease of movement.
- Anti-skid Wheels: For mobility and stability.

3-сүрөт: Детальдуу View of Connection Ports and Controls
4. Техникалык шарттар
The Tewaycell Powerwall system is available in two main configurations:
| Өзгөчөлүк | AO-MB48300 13.4KWH (TW-AO48280-5KW) | AO-MB51300 14.3KWH (TW-AO51280-5KW) |
|---|---|---|
| БАТАРЕЯНЫН ТЕХНИКАЛЫК СИПАТТАМАСЫ | ||
| Батарея түрү | LiFePO4 | |
| Cell & Format | 15S1P, Hithium 280Ah Grade A+ | 16S1P, Hithium 280Ah Grade A+ |
| Номиналдуу томtage | 48.0V | 51.2V |
| Номиналдуу кубаттуулук | 280AH | |
| Номиналдуу энергия | 13440Wh | 14336Wh |
| Cycle Life | 6000+ @0.2C, 25℃, 80% DOD | |
| Макс. Үзгүлтүксүз чыгаруу күчү | 5000 Вт | |
| Макс. Заряддоо Voltage | 54.7V | 58.4V |
| Бошотуунун кесилиши Voltage | 40.5V | 43.2V |
| Макс. Үзгүлтүксүз заряддагы ток | 100A | |
| Макс. Үзгүлтүксүз разряд ток | 100A | |
| Max. Импульстук ток | 200A (<1S) | |
| Заряддоо температурасы | 0℃~55℃ | |
| Чыгуу температурасы | -20℃~60℃ | |
| Temperature Controlled Fire Extinguisher | Ооба | |
| Active Balancer | Ооба | |
| INVERTER TECHNICAL (TW-HSI 5000P) | ||
| Күн зарядынын түрү | MPPT | |
| Maximum Input Power (PV) | 5500 Вт | |
| PV заряддоо учурдагы диапазону | 120дан 500Вга чейин | |
| MPPT Voltage Диапазон | 120дан 450Вга чейин | |
| Maximum AC Charge Power | 3150 Вт | |
| AC заряддоо агымынын диапазону | 0дон 60Ага чейин | |
| Rated Input Voltage (AC) | (170Vac~280Vac) ±2% / (90Vac -280Vac)±2% | |
| Рейтингдүү AC чыгаруу күчү | 5000 Вт | 5500 Вт |
| Максималдуу AC чыгуу тогу | 22A | |
| AC чыгаруу жыштыгы | 50Гц/60Гц | |
| AC Overload Current | 40A | |
| Maximum Peak Power (Battery Inverter Output) | 11КВА | |
| Рейтингдүү Чыгуу Voltage (Vac) (Battery Inverter Output) | 230Vac | |
| Frequency (Battery Inverter Output) | 50Hz | |
| ЖАЛПЫ МААЛЫМАТТАР | ||
| Байланыш | RS485/CAN/WIFI | |
| Салмагы (болжол менен) | 180 кг | 187 кг |
| Өлчөмдөрү (L×D×H) | 1005×520×300мм | |
| Сактоо убактысы / Температура | 6 months @25℃; 3 months @35℃; 1 month @45℃ | |
| Заряддоо температура диапазону | 0~45℃ | |
| Зарядын кетирүү температурасы | -10~45℃ | |
| Операциянын нымдуулугу | 5% ~ 85% | |
| Номиналдуу операция бийиктиги | <2000м | |
| Муздатуу режими | Force-Air Cooling | |
| Ызы-чуу | 60дБ(А) | |
| Кирүү коргоо рейтинги | IP20 | |
| Сунушталган операция чөйрөсү | Indoor | |
| Орнотуу ыкмасы | Вертикалдуу | |
For detailed battery performance, refer to the discharge and charge curves below:

Figure 4: Battery Discharge Curves @ 25℃

Figure 5: Battery Charge and Discharge Curves

Figure 6: Open Circuit Voltage vs SOC and Battery Test Analysis
5. Орнотуу жана орнотуу
5.1 Таңгактан чыгаруу жана текшерүү
Upon receiving your Tewaycell Powerwall, carefully unpack the system and inspect for any visible damage. The packaging list typically includes:
- Tewaycell Powerwall Unit
- Бурамаларды тууралаңыз
- Parallel Power Cable (if applicable)
- Механикалык колдоо

7-сүрөт: Типтүү таңгактоо тизмеси
5.2 Сайтты тандоо
- Install the unit vertically in an indoor environment.
- Ensure the operating humidity is between 5% and 85%.
- The nominal operation altitude should be less than 2000m.
- Avoid locations exposed to direct sunlight, extreme heat, or moisture.
- Ensure adequate ventilation for force-air cooling.
5.3 Электр байланыштары
Refer to the system diagram for proper connection of solar panels, utility grid, and household loads.

Figure 8: System Connection Diagram
- Күн панелинин туташуу: Connect your solar panels to the PV Port (PV+ PV-). Ensure correct polarity and voltage within the specified MPPT range (120-450V).
- AC киргизүү/чыгаруу: Connect the utility grid to the AC Input Port and your household loads to the AC Output Port.
- Батарея порту: The internal battery is pre-connected. For parallel expansion, use the Battery Port and appropriate parallel power cables.
IMPORTANT: Ensure all connections are secure and follow local electrical codes. Incorrect wiring can cause damage to the system or pose a safety hazard. If unsure, consult a qualified electrician.
5.4 Параллель туташуу (кошумча)
The Tewaycell Powerwall supports parallel connections for increased capacity, up to 15 additional units (MAX 16 total).

Figure 9: Parallel Connection Setup
When connecting multiple units in parallel, ensure all units are of the same model and properly configured for parallel operation. Use the provided parallel power cables and mechanical support as instructed.
6. Операция
6.1 Баштапкы кубаттуулук
- After all electrical connections are made and verified, turn on the main Air Switch on the unit.
- The system will initiate self-diagnostics. Monitor the Battery Menu display for status updates.
- Configure initial settings via the Inverter Menu if prompted or required.
6.2 Мониторинг жана контролдоо
The system features various communication interfaces (RS485, CAN, WIFI) for remote monitoring and parameter settings.

Figure 10: Parameter Setting Interface
The parameter setting interface allows adjustment of various operational thresholds, including:
- Cell Over-Voltage (OV) Protect/Release
- Pack Over-Voltage (OV) Protect/Release
- Cell Under-Voltage (UV) Protect/Release
- Pack Under-Voltage (UV) Protect/Release
- Charge Over-Current (OC) Protect/Delay
- Discharge Over-Current (OC) Protect/Delay
- Charge Over-Temperature (OT) Protect/Release
- Discharge Over-Temperature (OT) Protect/Release
- Balance Threshold
- Sleep/Wake-up Voltage
- Full Charge/Discharge Current

Figure 11: PC Battery Monitoring Interface
The PC monitoring interface provides real-time data on pack information, temperature, cell voltage, and protection status. It also allows for data logging and export.
7. Техникалык тейлөө
- Үзгүлтүксүз текшерүү: Бардык кабелдерди жана туташууларды эскиргендигин, бузулгандыгын же бошоп калгандыгын мезгил-мезгили менен текшерип туруңуз.
- Тазалоо: Keep the unit clean and free from dust and debris to ensure proper cooling. Use a dry cloth for cleaning.
- Программалык камсыздоо жаңыртуулары: Check for firmware updates for the inverter and BMS to ensure optimal performance and security.
- Сактагыч: If storing the unit for an extended period, ensure it is kept at recommended temperatures (6 months @25℃; 3 months @35℃; 1 month @45℃) and partially charged (e.g., 50% SOC) to preserve battery health.
8. Кыйынчылыктарды
This section provides guidance on common issues. For complex problems, contact Tewaycell technical support.
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Система иштетилбей жатат | Main Air Switch off, loose connections, low battery voltage. | Check Air Switch, verify all connections, ensure battery is charged. |
| AC чыгышы жок | Inverter fault, overload, battery low, AC output switch off. | Check inverter status on display, reduce load, charge battery, check AC output switch. |
| Solar panels not charging | PV connection issue, MPPT fault, insufficient sunlight, PV voltage диапазондон тышкары. | Verify PV connections and polarity, check solar panel output, ensure adequate sunlight, check PV voltagдисплейде e. |
| Байланыш катасы | Loose communication cable, incorrect settings, software issue. | Check communication cables, verify settings in monitoring software, restart system. |
9. Колдонуучунун кеңештери
- Шайкештик: When integrating with other inverters (e.g., PowMr), always verify compatibility with Tewaycell support to ensure proper communication and operation.
- Мониторинг: Utilize the WIFI communication feature for convenient remote monitoring of your system's performance and battery status.
- Off-Grid мүмкүнчүлүгү: This system is designed for off-grid applications, providing reliable power independence. Ensure your setup is correctly configured for your specific off-grid needs.
10. Кепилдик жана колдоо
Tewaycell offers a 10-year life expectancy for the battery and a 7-year warranty on the battery pack (AH). For specific warranty terms and conditions, please refer to your purchase agreement or contact Tewaycell customer service.
For technical assistance, troubleshooting, or warranty claims, please contact Tewaycell support. They are available 24 hours online for technical problems.
Сертификаттар: The product holds CE certification, ensuring compliance with European safety, health, and environmental protection requirements.

Сүрөт 12: Продукциянын сертификаттары





