Tewaycell Powerwall LiFePO4 Battery Pack User Manual

1. Уводзіны

This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Tewaycell Powerwall LiFePO4 Battery Pack. This high-capacity battery system is designed for household energy storage (ESS) applications, featuring a built-in 200A Battery Management System (BMS), CAN/RS485 communication, and a 10KW output capability. Please read this manual thoroughly before using the product.

2. Інфармацыя па бяспецы

2.1 Агульныя меры бяспекі

Не апускайце батарэю ў ваду і не дазваляйце ёй намакаць.
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.
Ensure correct polarity: Do not reverse the positive (+) and negative (-) terminals.
Charge the battery only with a specified charger according to the charging requirements.
Keep out of reach of children. In case of ingestion, seek medical attention immediately.

2.2 Папярэджанне Каліфарнійскай прапановы 65

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

3. Прадукт скончыўсяview

The Tewaycell Powerwall LiFePO4 Battery Pack is a robust and reliable energy storage solution. It features a durable stainless steel housing and is equipped with anti-skid wheels and a concave handle for ease of movement and positioning. The front panel includes a battery menu display for real-time monitoring and control, along with essential switches and ports.

Фронт view of Tewaycell 20KWh battery pack highlighting key features like 6000+ cycle life, CAN/RS485, 200A BMS, mobile design, and 10KW output. — Figure 1: Tewaycell 20KWh Battery Pack Front View

Тыл view of the Tewaycell battery pack showing power connections and controls. — Figure 2: Tewaycell Battery Pack Rear View

Падрабязны view of battery features including communication ports (RS485, CAN, RS232), anti-skid wheels, battery menu display, power switches, and concave handle. — Figure 3: Battery Details and Features

3.1 Built-in Battery Management System (BMS)

The integrated 200A BMS provides comprehensive protection for the battery, ensuring longevity and safety. Key protections include:

Абарона ад перазарадкі
Абарона ад пераразряду
Temperature Monitoring (NTC)
Automatic Battery Balancing
Бягучая абарона
Дысплей магутнасці

Diagram illustrating the features of the built-in BMS, including over charge protection, overdischarge protection, power display, temperature monitoring, automatic battery balancing, and current protection. — Figure 4: Built-in BMS Features

4. Тэхнічныя характарыстыкі

Табліца 1: Тэхнічныя характарыстыкі прадукту
Асаблівасць	TW-MB51400-200A-HWB (20KWh)	TW-MB51600-200A-HWB (30KWh)
Тып батарэі	LiFePO4
Cell & Format	16S2P, TW 206Ah Grade A+	16S2P, 304Ah Grade A+
Намінальны выпtage	51.2В
Намінальная ёмістасць	400AH	600AH
Намінальная энергія	20,480 Вт-гадз	30,720 Вт-гадз
Цыкл жыцця	6000+ @0.2C, 25℃, 80% DOD
Макс. Бесперапынная выхадная магутнасць	10000 Вт (10 кВт)
Макс. Зарадка Voltage	57.6В
Разраду Cut-off Voltage	43.2В
Макс. Ток бесперапыннага зарада	200А
Макс. Бесперапынны разрадны ток	200А
Макс. Імпульсны ток	400A (<1S)
Тэмпература зарадкі	0℃~55℃
Тэмпература нагнятання	-20℃~60℃
Temperature Controlled Fire Extinguisher	так
Актыўны балансір	так
Вага нета	208 кг	279 кг
Gross Weight (Packing)	226 кг	300 кг
Dimensions (HLW)	730520450 мм	730520700 мм
Парты сувязі	RS485*3 / CAN / RS232
Матэрыял абалонкі	SPCC
Dustproof and Waterproof Rating	IP55
Гарантыя	10 years Life, 7 years Warranty AH
Compatible Inverter Brands	Deye, Voltronic, EASUN, PowMr, Growatt, GOODWE, Victron, SRNE, AFORE, PYLONTECH, SOFAR, MUST, MEGAREVOk, YWT, SRD, STUDER, SMA, DIDU, GINLONG and other common protocol inverters.

Dimensions of the 20KWh battery unit: 780mm height, 520mm length, 460mm width. — Figure 5: 20KWh Unit Dimensions

5. Інструкцыі па ўсталёўцы

5.1 Змест пакета

Перад устаноўкай пераканайцеся, што ўсе кампаненты наяўныя:

Tewaycell Powerwall LiFePO4 Battery Pack (20KWh or 30KWh)
Fit screws for installation
Parallel Power Cable (if applicable for multi-unit setup)
Inverter Cable for RS485/CAN/RS232 communication
Mechanical support (if included)

Image showing the package list including fit screws, parallel power cable, and inverter communication cable. — Малюнак 6: Змест пакета

5.2 System Application Diagram

The Tewaycell Powerwall battery integrates into a comprehensive energy system, typically involving solar panels, a generator, or utility grid as power sources, and an inverter to manage power flow to household appliances.

Application diagram showing how solar panels, a generator, and utility power connect to an inverter, which then connects to the Tewaycell 20KWh battery and various home appliances like a refrigerator, light bulb, TV, and air conditioner. — Малюнак 7: Дыяграма прыкладання

5.3 Powerwall Connection Schematic

The battery system connects to a power inverter, which can draw power from solar panels, the utility grid, or a generator. The inverter then supplies power to your home and can be monitored via a Cube WiFi/4G module, internet, and the PVguarder APP/Web інтэрфейс.

Schematic diagram of a Powerwall connection, illustrating the flow from solar panels, utility grid, and generator to a power inverter, then to the battery and home, with monitoring via WiFi/4G and an app. — Figure 8: Schematic Diagram of Powerwall Connection

5.4 Паралельныя злучэнні

The Tewaycell Powerwall supports parallel connections for increased capacity and output. Up to 16 units can be connected in parallel. Ensure proper wiring and use the provided parallel power cables.

Visual representation of multiple Tewaycell Powerwall units connected in parallel to a house, indicating support for up to 16 parallel connections. — Figure 9: Supports Up to 16 Parallel Connections

5.5 Multi-Battery and Inverter Setup Example

For larger systems, multiple batteries can be connected to multiple inverters via an air switch, ensuring balanced load distribution. Ensure all cables, especially those supporting high currents, are appropriately rated.

Wiring diagram showing three 15KWH batteries connected to an air switch, which then connects to three 5KW inverters. A note indicates that the main cable needs to support 300A current. — Малюнак 10: Выпample Multi-Battery and Inverter Setup

6. Інструкцыя па эксплуатацыі

6.1 Уключэнне/выключэнне сілкавання

Locate the power switch on the battery unit (refer to Figure 3) and toggle it to the 'ON' or 'OFF' position as required.

6.2 Battery Menu Display

The integrated battery menu display provides real-time information about the battery's status, including voltage, current, state of charge (SOC), and other critical parameters.

6.3 PC Monitoring and Parameter Setting

The battery system can be connected to a PC for advanced monitoring and parameter configuration using the provided communication cables (RS485/CAN/RS232) and software.

Screenshot of the PC monitoring software interface showing various parameter settings for the battery, including voltage protection, current protection, temperature protection, and balancing thresholds. — Figure 11: PC Monitoring - Parameter Setting Interface

Screenshot of the PC monitoring software showing real-time and multi-monitoring data for the battery, including pack information, temperature, cell voltages, and alarm status. — Figure 12: PC Monitoring - Realtime and Multi Monitoring

6.4 Charge and Discharge Characteristics

Understanding the battery's charge and discharge curves is crucial for optimizing performance and lifespan. The battery is designed for stable operation across a range of temperatures and discharge rates.

Graphs showing battery charge and discharge curves, including charge characteristics at 0.2C & 0.5C at 25°C, and charge/discharge voltagе і крывыя току. — Figure 13: Battery Charge & Discharge Curves

Graphs illustrating different rate discharge curves at 25°C and different temperature discharge curves at 0.5C, 25°C. — Figure 14: Discharge Performance Curves

Graphs showing open circuit voltage vs. SOC% and battery test curve analysis with specific test conditions and parameters. — Figure 15: Open Circuit Voltage and Test Analysis

7. Тэхнічнае абслугоўванне

The Tewaycell Powerwall LiFePO4 Battery Pack is designed for minimal maintenance. However, adhering to the following guidelines will ensure optimal performance and longevity:

Умовы навакольнага асяроддзя: Operate and store the battery within the specified temperature ranges (Charge: 0℃~55℃, Discharge: -20℃~60℃). Avoid extreme heat or cold.
Чысціня: Keep the battery unit clean and free from dust and debris. The IP55 rating provides protection against dust and water splashes, but direct immersion should be avoided.
Сувязі: Перыядычна правярайце ўсе кабельныя злучэнні, каб пераканацца ў іх надзейнасці і адсутнасці карозіі.
Актыўны балансір: The built-in active balancer helps maintain cell voltage consistency, extending the battery's lifespan. No user intervention is typically required for this feature.

8. Выпраўленне непаладак

If you encounter any issues with your Tewaycell Powerwall battery, please refer to the following common concerns:

Сумяшчальнасць з інвертарам: Ensure your inverter is compatible with the battery's communication protocols (CAN, RS485). A list of compatible brands is provided in the specifications. If your inverter is not listed, or if you are using a Huawei inverter, specific BMS configurations or additional components might be required.
Праблемы з падключэннем: Double-check all wiring connections between the battery, inverter, and other system components. Incorrect polarity or loose connections can prevent proper operation.
Акумулятар не зараджаецца/не разраджаецца: Verify that the power switch is in the 'ON' position and that the charging source (solar, utility, generator) and load are correctly connected and operational. Check the battery menu display or PC monitoring software for error codes or status indicators.
Technical Problems: For any complex technical issues or if you require assistance with connections, please contact Tewaycell customer support.

9. Карыстальніцкія парады

Verify Inverter Protocol: Перад пакупкайasing or installing, confirm that your inverter's communication protocol (e.g., CAN, RS485) matches the battery's capabilities to ensure seamless integration.
Seek Installation Assistance: If you are unsure about the wiring or connection diagrams, especially for complex multi-battery or multi-inverter setups, contact Tewaycell for technical assistance.
Рэгулярна кантралюйце: Utilize the battery's display menu or PC monitoring software to keep track of its performance and health. This can help identify potential issues early.

10. Гарантыя і падтрымка

The Tewaycell Powerwall LiFePO4 Battery Pack comes with a 10-year life expectancy і а 7-year warranty on AH (Ampere-hour) capacity. For any technical problems, support, or warranty claims, please contact Tewaycell directly. Our support team is available 24 hours online to assist you.

Image displaying various certification documents, including CE certification, for the battery product. — Малюнак 16: Сертыфікаты прадукцыі