1. Introducció
Thank you for choosing the Voominhtec 400W Portable Solar Panel. This high-efficiency, foldable solar charger is designed to provide reliable power for your off-grid adventures, power stations, and various outdoor applications. Featuring monocrystalline ETFE technology, it offers excellent conversion rates and durability. Please read this manual thoroughly before use to ensure proper operation and maximize the lifespan of your solar panel.

Image 1.1: The Voominhtec 400W Portable Solar Panel in its unfolded, ready-to-use configuration, showcasing its four panels and integrated kickstand.
2. Informació de seguretat
- Do not attempt to disassemble or modify the solar panel.
- Avoid dropping or subjecting the panel to severe impacts.
- Keep the panel away from open flames, heat sources, and corrosive materials.
- Ensure all connections are secure and correct before operation.
- Do not immerse the panel in water, despite its IP65 rating, to prevent damage to connectors.
- Handle with care, especially when folding or unfolding, to avoid pinching fingers.
3. Components del producte
The Voominhtec 400W Portable Solar Panel package includes the following items:
- 1 x Voominhtec 400W Portable Solar Panel
- 1 x Multi-connector cable (MC4 to various DC adapters)
- 8 x Carabiners (for securing the panel)

Image 3.1: The complete package contents, including the folded solar panel, the multi-connector cable with various adapters, and eight carabiners for versatile mounting.

Imatge 3.2: Detallada view of the folded solar panel, highlighting the integrated handle, accessory pocket, and the robust kickstand mechanism.
4. Especificacions
| Paràmetre | Valor |
|---|---|
| Potència màxima (Pmax) | 400W |
| Potència màxima Voltage (Vmp) | 40 V |
| Corrent de potència màxima (Imp) | 10A |
| Circuit obert Voltage (Voc) | 48 V |
| Corrent de curtcircuit (Isc) | 11A |
| Material | ETFE, Monocrystalline Silicon, Aluminum |
| Eficiència | Fins al 24% |
| Classificació impermeable | IP65 |
| Dimensions plegades (L x A) | 27.3 x 30.7 polzades |
| Unfolded Dimensions (L x W) | 111 x 30.7 polzades |
| Pes de l'article | 27.7 lliures (aprox. 12.5 kg) |

Image 4.1: A visual representation of the solar panel with key electrical specifications overlaid, including Peak Power, Voltage, and Current ratings.

Image 4.2: Diagram illustrating the precise dimensions of the solar panel when folded and fully unfolded, including the optimal kickstand angle of 70 degrees.
5. Configuració
- Desplega el panell: Desplegueu amb cura el panell solar completament sobre una superfície plana i estable.
- Position the Kickstand: Extend the integrated kickstand at the back of the panel. Adjust it to achieve an optimal angle (approximately 70 degrees from the ground) to face the sun directly. This angle maximizes solar energy absorption.
- Secure the Panel (Optional): For windy conditions or uneven terrain, use the provided carabiners to secure the panel through its grommets to stakes, ropes, or other stable anchors.
- Connecta't al dispositiu: Locate the MC4 connectors on the solar panel. Use the included multi-connector cable to connect the solar panel to your portable power station, solar generator, or 12V/24V battery system. Ensure the correct adapter is used for your device.

Image 5.1: The solar panel set up next to an RV, demonstrating the use of the kickstand to achieve the recommended 70-degree angle for optimal sun exposure.
6. Instruccions de funcionament
Once set up, the solar panel will begin converting sunlight into electrical energy. The charging process will vary depending on the connected device (power station, battery, etc.) and its specific charging requirements.
- Exposició a la llum solar: Ensure the solar panel is positioned in direct sunlight with no shadows obstructing the panels. Even partial shading can significantly reduce efficiency.
- Càrrec de seguiment: Monitor the charging status on your connected power station or solar charge controller.
- Compatibilitat: The panel is designed for wide compatibility, including various portable power stations and 12V/24V battery systems. It includes a 4-in-1 universal connector (MC4, DC5525, DC7909/8mm, Anderson, TX60) to support most devices.

Image 6.1: An illustration showing the solar panel connected via MC4 connectors and various adapters to a portable power station, demonstrating its broad compatibility.

Image 6.2: A detailed diagram illustrating the various output connectors (DC5525, DC7909/8mm, Anderson, TX60) that allow the solar panel to connect to a wide range of portable power stations.
7. Manteniment
- Neteja: Netegeu regularment la superfície dels panells solars amb un drap suau iamp cloth to remove dust, dirt, or debris. A clean surface ensures maximum light absorption and efficiency. Do not use harsh chemicals or abrasive materials.
- Inspecció: Periodically inspect the panel for any physical damage, such as cracks, dents, or frayed cables. Ensure all connectors are clean and free of corrosion.
- Emmagatzematge: When not in use, fold the solar panel and store it in a dry, cool place away from direct sunlight and extreme temperatures. Use the integrated handle for easy transport.

Image 7.1: The solar panel shown in a rainy environment, highlighting its IP65 waterproof rating, which indicates protection against dust and low-pressure water jets.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| No power output / Low charging speed | Insuficiència de llum solar Panel partially shaded Angle incorrecte Superfície del panell bruta Connexió fluixa o incorrecta Temps ennuvolat | Mou el panell a la llum solar directa Elimina qualsevol obstrucció Adjust panel angle towards the sun Netegeu la superfície del panell Comproveu totes les connexions de cable Charging efficiency will be reduced in cloudy conditions |
| Panel not recognized by device | Adaptador incompatible Cable defectuós Device input limit exceeded | Ensure correct adapter is used Try a different cable if available Verify your device's input specifications |
| Physical damage to panel | Impacte o manipulació inadequada | Contact customer support for assistance. Do not attempt to repair. |
9. Garantia i Suport
The Voominhtec 400W Portable Solar Panel is covered by a standard manufacturer's warranty. Please refer to the warranty card included with your purchase or visit the official Voominhtec weblloc web per obtenir informació detallada sobre els termes i condicions de la garantia.
For technical support, troubleshooting assistance, or warranty claims, please contact Voominhtec customer service through the contact information provided on the official brand weblloc web o la vostra plataforma de compra.
Voominhtec Official Store: Visit the Voominhtec Store on Amazon





