1. Introducció
The Marstek Venus E GEN 3.0 is a powerful and flexible AC energy storage system designed for residential and small commercial applications. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before installation and use.
Key features include a compact design, integrated Plug & Play technology for quick setup, dedicated LAN port for stable communication, and expandability up to 7.5 kW power and 15.36 kWh storage capacity. It also offers an integrated backup power output of up to 2,500 W during outages and is 100% compatible with existing PV installations.

Figura 1: Acabatview of Marstek Venus E GEN 3.0 key features, including new design, PV system compatibility, stable LAN connection, expandability, MARSTEK Intelligence, 2500W on-grid input/output, 6000+ life cycles, 10-year warranty, grid feed-in with smart meter, and potential annual savings.
2. Instruccions de seguretat
Always adhere to the following safety guidelines to prevent injury, damage to the device, or property damage:
- Llegiu totes les instruccions abans d'utilitzar el dispositiu.
- Do not attempt to disassemble, repair, or modify the unit. Refer all servicing to qualified personnel.
- Assegureu-vos que hi hagi una ventilació adequada al voltant de la unitat. No bloquegeu cap obertura de ventilació.
- Keep the device away from water, moisture, and flammable materials.
- Feu servir només els accessoris proporcionats o aprovats.
- Do not operate the device if it has been damaged in any way.
- Ensure the unit is installed on a stable, level surface.
- This device contains a LiFePO4 battery. Handle with care and dispose of according to local regulations.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- Marstek Venus-E GEN 3.0 Unit
- Cable d'alimentació de CA.
- Antena Wi-Fi
- Accessoris de muntatge
- Manual d'usuari (aquest document)
4. Configuració
4.1 Desembalatge i col·locació
Carefully remove the Venus E GEN 3.0 from its packaging. Place the unit on a flat, stable surface in a well-ventilated area, away from direct sunlight, heat sources, and moisture. Ensure sufficient clearance for air circulation around the unit.

Figura 2: posterior view of the Marstek Venus E GEN 3.0, highlighting the ventilation fins for optimal heat dissipation.
4.2 Connexió a l'alimentació
- Connect the provided AC power cable to the AC input port on the Venus E GEN 3.0.
- Plug the other end of the AC power cable into a grounded wall outlet.
- The unit will automatically begin charging or enter standby mode.

Figura 3: Side panel of the Marstek Venus E GEN 3.0, showing the protective cover open to reveal the AC input and output ports for connecting to the grid and appliances.
4.3 Network Connection (LAN/Wi-Fi)
For optimal performance and smart features, connect the device to your home network.
- Connexió LAN: For a stable and faster connection, use an Ethernet cable to connect the dedicated LAN port on the Venus E GEN 3.0 to your router.
- Connexió Wi-Fi: Attach the provided Wi-Fi antenna to the designated port. Follow the instructions in the MARSTEK app to configure the Wi-Fi connection.
4.4 Encès inicial
Press and hold the power button on the unit for a few seconds until the indicators light up. The unit will perform a self-check. Refer to the display indicators for status.

Figura 4: Front panel of the Marstek Venus E GEN 3.0, displaying LED indicators for WARN, GRID, BACKUP, BATTERY level, CT, WIFI, and BT status.
5. Instruccions de funcionament
5.1 MARSTEK App Control
The Venus E GEN 3.0 is primarily controlled via the MARSTEK mobile application. Download the app from your device's app store.
- Install the MARSTEK app on your smartphone.
- Registreu un compte i inicieu sessió.
- Follow the in-app instructions to add your Venus E GEN 3.0 device.
- Through the app, you can monitor energy flow, battery status, and select operating modes.
5.2 Modes de funcionament
The MARSTEK app offers various operating modes to optimize energy usage:
- Mode d'autoconsum: Prioritizes using stored energy from the battery or solar panels before drawing from the grid.
- Mode de control manual: Allows direct control over charging and discharging times.
- AI Optimized Mode: Utilizes dynamic electricity tariffs, consumption habits, and weather forecasts to automatically optimize charge/discharge cycles for maximum savings.
5.3 Funció d'alimentació de reserva
En cas d'una potènciatage, the integrated backup output provides up to 2,500 W of power to essential appliances. For full home backup (single-phase or three-phase), additional equipment may be required.

Figura 5: Schematic illustrating a single-phase backup system configuration, showing how multiple Marstek Venus E GEN 3.0 units can be integrated with a Smart Box and the grid to provide backup power to household loads.

Figura 6: Schematic illustrating a three-phase backup system configuration, detailing the connection of multiple Marstek Venus E GEN 3.0 units, a Smart Box, PV inverters, and micro-inverters to the grid and household backup loads.
6. Manteniment
Regular maintenance ensures the longevity and optimal performance of your Venus E GEN 3.0.
- Neteja: Feu servir un drap suau i sec per netejar l'exterior de la unitat. No utilitzeu netejadors líquids ni dissolvents.
- Ventilació: Comproveu periòdicament que les obertures de ventilació estiguin lliures de pols i deixalles.
- Actualitzacions de firmware: Ensure the MARSTEK app and device firmware are kept up-to-date for new features and performance improvements.
- Salut de la bateria: The LiFePO4 battery is designed for over 6,000 charge cycles. Monitor its health via the MARSTEK app.

Figura 7: The Marstek Venus E GEN 3.0 demonstrating its robust design and IP65 protection, suitable for operation in various environmental conditions, including snow and rain.
7. Solució De Problemes
Si teniu problemes, consulteu els següents problemes i solucions habituals:
| Problema | Causa possible | Solució |
|---|---|---|
| La unitat no s'encén. | No power from AC outlet; power cable not connected; unit fault. | Check AC power connection; ensure outlet is functional; contact support if problem persists. |
| Sense connexió de xarxa. | Wi-Fi antenna not attached; incorrect Wi-Fi password; LAN cable disconnected; router issue. | Ensure Wi-Fi antenna is attached; re-enter Wi-Fi password in app; check LAN cable connection; restart router. |
| La bateria no es carrega. | AC input issue; charging mode not active; temperature outside operating range. | Verify AC input; check app for charging mode; ensure ambient temperature is within -20°C to 50°C. |
| Backup power not activating. | Backup function not enabled; battery low; overload. | Ensure backup mode is enabled in app; check battery level; reduce load on backup output. |
For issues not listed here, please contact Marstek customer support.
8. Especificacions
| Característica | Detall |
|---|---|
| Model | MVE3 |
| Dimensions (L x A x A) | 62.4 x 48 x 15.3 cm |
| Tipus de bateria | LiFePO4 |
| Capacitat | 5120 Wh (extensible up to 15.36 kWh) |
| AC Input/Output Power | Up to 2500 W (800 W default) |
| Backup Power Output | Fins a 2500 W |
| Connectivitat | LAN (RJ45), Wi-Fi |
| Temperatura de funcionament | Up to -20 °C |
| Nivell de soroll | Per sota dels 30 dB |
| Classificació de protecció | IP65 |
| PV System Compatibility | 100% compatibilitat |
9. Garantia i assistència
9.1 Informació de la garantia
The Marstek Venus E GEN 3.0 comes with a 10 any de garantia on the integrated LiFePO4 battery, ensuring long-term reliability with over 6,000 charge cycles while maintaining 80% capacity. Please retain your proof of purchase for warranty claims.
9.2 Atenció al client
For technical assistance, warranty claims, or further inquiries, please contact Marstek customer support through their official website or the MARSTEK app. Ensure you have your model number (MVE3) and purchase details ready.
Oficial Weblloc: www.marstek.com (Nota: Això és un marcador de posició URL, please refer to your product documentation for the actual support weblloc.)





