1. Киришүү
This user manual provides essential information for the safe and efficient installation, operation, and maintenance of your Marstek Venus-E 5.12 kWh All-in-One Solar Energy Storage System. Please read this manual thoroughly before using the product and keep it for future reference. Adhering to these guidelines will ensure optimal performance and extend the lifespan of your device.
The Marstek Venus-E is designed to store solar energy, optimize energy costs, and provide reliable power for various applications, from balcony power plants to larger household systems.
2. Коопсуздук нускамалары
ЭСКЕРТҮҮ: Бул коопсуздук көрсөтмөлөрүн аткарбоо электр тогуна урунууга, өрткө, оор жаракат алууга же мүлккө зыян келтирүүгө алып келиши мүмкүн.
- Always disconnect the system from all power sources before performing any installation, maintenance, or troubleshooting.
- Бул жабдууну квалификациялуу адистер гана орнотуп жана тейлеши керек.
- Do not expose the unit to excessive moisture, rain, or direct water spray. The unit has an IP65 rating, but proper installation is crucial.
- Ашыкча ысып кетүүнүн алдын алуу үчүн аппараттын айланасында туура желдетүүнү камсыз кылыңыз.
- Do not disassemble, repair, or modify the unit yourself. Contact authorized service personnel.
- Тез күйүүчү материалдарды аппараттан алыс кармаңыз.
- Бардык электр туташууларынын коопсуз экенин жана жергиликтүү электрдик коддорго ылайык болушун текшериңиз.
- Do not insert foreign objects into any openings of the unit.
3. Продукт бүтүп калдыview
The Marstek Venus-E is a compact and powerful all-in-one solar energy storage solution. It features a robust design suitable for various environments and offers intelligent energy management capabilities.
3.1 Негизги өзгөчөлүктөрү
- Сыйымдуулугу: Base storage capacity of 5.12 kWh, expandable up to 20.48 kWh.
- Узактыгы: IP65 protection class, ensuring reliable performance in demanding environmental conditions.
- Иштөө температурасы: Wide operating temperature range from -20°C to +55°C.
- Натыйжалуулугу: Optimizes energy costs by charging during off-peak hours and utilizing stored energy during peak times.
- Мониторинг: Real-time monitoring and control via the Marstek App, allowing for energy trading and excess energy negotiation.
- Батареянын иштөө мөөнөтү: Features an ESS-class LFP storage battery with over 6000 charge cycles and an estimated lifespan of 15 years.
- Intelligent Management: Equipped with an Intelligent Battery Management System (BMS) for enhanced safety and performance.
- Орнотуу: Designed for quick 5-second plug & play installation.
- Камдык күч: Provides 2.5 kW backup power capacity for uninterrupted supply.
3.2 Product Components and Indicators
The main unit includes various ports and indicators for status monitoring and connectivity.

Сүрөт 3.1: Алдыңкы view of the Marstek Venus-E unit, highlighting the 5120Wh capacity and status indicators (MAIN, SRO, BACKUP, BATTERY, CT, WIFI, BT).

Figure 3.2: Illustration of the 5kW high-performance plug-and-play storage system, showing AC-coupled energy storage and island operation for grid-independent use. Also highlights IP65 rating and 10-year warranty.

3.3-сүрөт: Детальдуу view of the reliable and durable battery, intelligent BMS (Battery Management System), and IP65 waterproof design. Shows internal battery cells and cooling system.
4. Орнотуу жана орнотуу
The Marstek Venus-E is designed for quick and easy installation. Follow these steps for a successful setup.
4.1 Таңгактан чыгаруу жана алгачкы текшерүү
- Carefully unpack the unit and all accessories from the packaging.
- Inspect the unit for any visible damage. If damage is found, do not proceed with installation and contact customer support.
- Таңгактоо тизмесинде саналган бардык компоненттердин бар экенин текшериңиз.
4.2 Орнотуу
Choose a suitable location for the Venus-E unit. Consider the following:
- Вентиляция: Агрегаттын айланасында адекваттуу аба агымын камсыз кылыңыз.
- Курчап турган чөйрө: While IP65 rated, avoid direct exposure to extreme weather conditions if possible. The unit can be placed in various locations such as a garden, balcony, garage, or living room.
- Туруктуулук: Place the unit on a flat, stable surface. Attach the provided wheels for easy mobility if desired.

4.1-сүрөт: Мисamples of flexible energy supply locations for the Marstek Venus-E, including garden, balcony, garage, and living room setups.
4.3 Electrical Connection (Plug & Play)
The Venus-E is designed for simple plug & play installation, often taking as little as 5 seconds for initial setup.
- Connect the AC input cable from your solar inverter or grid connection to the designated AC input port on the Venus-E.
- Connect the AC output cable from the Venus-E to your household electrical system or designated loads.
- Улантуудан мурун бардык туташуулар коопсуз экенин текшериңиз.

Figure 4.2: Illustration demonstrating the 5-second plug & play installation process and the backup power connection with 2.5 kW capacity.
4.4 Marstek App Setup
For real-time monitoring and advanced control, download and set up the Marstek App.
- Download the "Marstek" app from your smartphone's app store (iOS or Android).
- Каттоо эсебин түзүү же кирүү үчүн колдонмону ачып, экрандагы нускамаларды аткарыңыз.
- Use the app's pairing function (via Dual Bluetooth and WiFi modules) to connect to your Venus-E unit.
- Once connected, you can monitor energy flow, battery status, and configure operating modes.

Figure 4.3: Screenshot of the Marstek App interface, showing options for energy trading mode, self-adjustment mode, and manual mode, along with real-time data display.
5. Операция
The Marstek Venus-E offers flexible operation modes to optimize your energy usage.
5.1 Operating Modes via Marstek App
The Marstek App provides comprehensive control over your energy storage system:
- Energy Trading Mode: Allows for automated charging and discharging based on electricity tariffs, optimizing cost savings.
- Self-Adjustment Mode: The system intelligently adapts to your energy consumption patterns.
- Кол режими: Provides direct control over charging and discharging parameters.
The app also displays real-time data such as power input/output, battery charge level, and cumulative energy discharged.

Figure 5.1: Diagram illustrating how the Venus-E optimizes energy costs by charging when electricity is cheap (e.g., at night) and discharging when it's expensive (e.g., during the day).
5.2 Backup Power Function
тор у болгон учурдаtage, the Venus-E can provide backup power to connected loads. Ensure critical appliances are connected to the designated backup output. The system offers 2.5 kW backup capacity.
6. Техникалык тейлөө
Regular maintenance ensures the longevity and optimal performance of your Marstek Venus-E system.
- Кадимки заряддоо: To maintain optimal performance and battery lifespan, charge the battery at least every three months, even if it is not currently in use.
- Тазалоо: Periodically clean the exterior of the unit with a soft, dry cloth. Do not use abrasive cleaners or solvents. Ensure vents are clear of dust and debris.
- Текшерүү: Regularly inspect cables and connections for any signs of wear or damage.
- Программалык камсыздоо жаңыртуулары: Keep the Marstek App updated to the latest version to benefit from new features and performance improvements.
7. Кыйынчылыктарды
This section addresses common issues you might encounter with your Marstek Venus-E system. For problems not listed here, please contact customer support.
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Түзмөк күйбөй жатат. | No power input; main switch off; faulty cable. | Check AC input connection; ensure main power switch is ON; inspect cables for damage. |
| Red warning light illuminated. | Internal fault; short circuit; overcurrent. | Disconnect from power, wait 5 minutes, then reconnect. If the light persists, contact support. Do not attempt to open the unit. |
| Marstek App not connecting. | Bluetooth/WiFi off; unit not in pairing mode; app outdated. | Ensure Bluetooth/WiFi is enabled on your device and the Venus-E. Restart the app and unit. Update the app to the latest version. |
| Battery not charging/discharging. | Incorrect operating mode; solar input insufficient; grid connection issue. | Check operating mode in the app. Verify solar panel connection and output. Ensure grid connection is stable. |
8. Техникалык шарттар
Technical specifications for the Marstek Venus-E 5.12 kWh system.
| Категория | Параметр | Нарк |
|---|---|---|
| Model & Battery Information | Модел | VENUS-E |
| Rated Voltage | 51.2V (16S) | |
| Кубаттуулугу | 5120Wh | |
| Cycle Life (Cycles) | >6000 (25°C) | |
| Батарея түрү | LiFePO₄ | |
| DOD (разряддын тереңдиги) | 90% | |
| AC Input/Output (On-Grid) | Киргизүү кубаттуулугу | 2.5kVA / 800VA |
| Чыгуучу кубаттуулук | 2.5kVA / 800VA | |
| Иштөө фазасы | 1 / H / PE | |
| Rated Voltage | 230V | |
| Grid Voltage Диапазон | 187В - 253В | |
| Рейтингдик тор жыштыгы | 50Hz | |
| Rated Grid Output Current | 10.9A | |
| Power Factor | >0.99 (Standard) / 0.8 leading - 0.8 lagging (adjustable) | |
| Backup (Off-Grid) | Чыгуучу кубаттуулук | 2.5кВА |
| Макс. Көрүнгөн чыгаруу күчү | 3.5кВА | |
| Rated Voltage | 230V | |
| Номиналдуу чыгаруу ток | 10.9A | |
| Рейтингдүү Чыгуу Voltage Frequency | 50Hz | |
| Efficiency & Protection | Max. AC Side Efficiency | >93.5% |
| Коргоо деңгээли | I | |
| General & Environmental | Иштөө температурасы диапазону | -20°C ~ +55°C (Storage: -30°C ~ +85°C) |
| Салыштырмалуу нымдуулук | 0 - 95% | |
| Коргоо түрү | IP65 | |
| Муздатуу | Табигый конвекция | |
| Макс. Иштөө бийиктиги | 2000 м | |
| Тор туташуу стандарты | NFEN50549-1, VDE4105/0124,G98,CEI0-21,PETREL,PN-EN50549-1/-2,TORRES,UNI217001/217002,NT5631, AS47772 | |
| Regulation/EMC | IEC62040,IEC62477,IEC/EN 61000-6-1/-2/-3/-4,IEC/EN 61000-3-2/-3,EN 300 328,EN 301 489 -1 / -17, EN 50665, CB 62619 | |
| Dimensions & Connectivity | Өлчөмдөр | 560 x 201 x 890 мм |
| Салмагы | 60 ± 0.5 кг | |
| Grid-Tied AC Connection | Three-pole household plug (Euro 16A) | |
| Колдоого алынган байланыш интерфейси | WiFi & Bluetooth & RS485 (Waterproof Aviation Plug) |
Figure 8.1: Detailed technical specifications of the Marstek Venus-E.
9. Кепилдик жана колдоо
Marstek is committed to providing high-quality products and excellent customer service.
- Кепилдик: The Marstek Venus-E comes with a 10-year warranty, ensuring peace of mind regarding your investment. The battery itself has an estimated lifespan of 15 years.
- Онлайн колдонмо: For the latest version of the product manual and additional resources, please visit the official product page: Marstek Venus-E Online Manual
9.1 Байланыш маалыматы
For technical support, warranty claims, or any inquiries, please contact Marstek Energy Co., Limited:
- Дарек: BLDG#A, Чанфан индустриалдык паркы, №2 Гуихуа 5-жолу, Пингшан району, Шэньчжэнь, Гуандун, Кытай
- Тел: 86-755-28398778
- Электрондук почта: market@marstekenergy.com
- Web: www.marstekenergy.com

Figure 9.1: Marstek Energy Co., Limited contact details and a QR code for the product manual.





