1. Introducció
Thank you for choosing the ALLPOWERS 28W Foldable Solar Panel Charger. This device is designed to provide portable power for your electronic devices, including laptops, tablets, and smartphones, by converting sunlight into electricity. Its foldable design makes it ideal for outdoor activities and travel. Please read this manual carefully before use to ensure proper operation and maximize the product's lifespan.
2. Informació de seguretat
- Do not attempt to disassemble, repair, or modify the solar panel. This may cause damage, electric shock, or fire.
- Avoid exposing the solar panel to fire, water, or corrosive liquids.
- Do not drop, puncture, or apply excessive force to the solar panel.
- Keep the solar panel away from children.
- Ensure proper ventilation when charging devices. Do not cover the solar panel or connected devices during operation.
- While the panel is designed for outdoor use, avoid prolonged exposure to extreme weather conditions such as heavy rain or snow.
3. Contingut del paquet
Si us plau, comproveu el contingut del paquet en rebre'l. Si falta algun article o hi ha algun dany, poseu-vos en contacte amb el servei d'atenció al client.
- ALLPOWERS 28W Foldable Solar Panel Charger
- DC-to-DC cable
- Laptop connector adapters (various sizes)
- Cable de càrrega USB
- Manual d'usuari
4. Producte acabatview
The ALLPOWERS 28W Foldable Solar Panel Charger features multiple solar panels that fold compactly for portability. It includes a control box with output ports for charging various devices.

Image: The ALLPOWERS 28W Foldable Solar Panel Charger shown unfolded with its dimensions (895mm/35.2inch unfolded length, 460mm/18.1inch height) and folded (232mm/9.1inch length, 170mm/6.7inch height, 30mm/1.2inch thickness).

Imatge: Primer pla views of the solar panel's features, including the 'Solar Charger' label, a velcro strap for securing, the control box with USB and DC output ports, and an internal pocket for accessories.
Components clau:
- Panells solars: Convert sunlight into electrical energy.
- Caixa de control: Houses the USB and DC output ports.
- USB Output Port (5V): For charging smartphones, tablets, and other 5V USB-powered devices. Features iSolar Technology for optimized charging.
- DC Output Port (18V): For charging laptops and other devices requiring 18V DC input.
- Bucles d'acoblament: For securing the panel to backpacks or other surfaces.
5. Configuració
To begin using your solar panel charger, follow these steps:
- Desplegueu el panell solar: Carefully unfold the solar panel completely to expose all solar cells.
- Posició per a la llum solar: Place the unfolded solar panel in direct sunlight. For optimal charging efficiency, ensure the panels are facing the sun directly and are not obstructed by shadows from trees, buildings, or other objects.
- Connecteu el vostre dispositiu:
- For USB Devices (5V): Connect your smartphone, tablet, or other USB-powered device to the USB output port using your device's charging cable.
- For Laptops (18V): Connect the provided DC-to-DC cable to the 18V DC output port. Select the appropriate laptop connector adapter from the included set and attach it to the DC-to-DC cable. Then, connect the adapter to your laptop's charging port.
- Verifica la càrrega: Once connected and exposed to sufficient sunlight, your device should indicate that it is charging. The blue LED indicator on the control box will illuminate when enough sunlight is detected for charging.

Image: The ALLPOWERS 28W Foldable Solar Panel Charger unfolded and placed on a surface, actively charging a laptop and a smartphone simultaneously via its output ports.
6. Instruccions de funcionament
Exposició òptima a la llum solar:
The performance of the solar panel is directly dependent on the intensity and angle of sunlight. For best results:
- Place the panel in direct, unobstructed sunlight.
- Adjust the angle of the panel periodically to follow the sun's movement throughout the day.
- Cloudy conditions or indirect sunlight will significantly reduce charging efficiency.
iSolar Technology (for USB Output):
The USB output port features iSolar Technology, which automatically detects the input current of your connected device to provide the fastest possible charging speed. This technology ensures compatibility and efficient charging for a wide range of USB devices.
Laptop Charging (18V DC Output):
The 18V DC output is specifically designed for laptops that require a DC input below 18V/2A. Use the provided DC-to-DC cable and select the correct adapter tip for your laptop model.

Image: A selection of eleven different laptop connector adapters (labeled A through K) with their dimensions and compatible brands (e.g., Sony, Toshiba, HP, Dell, Samsung, IBM, Lenovo, Acer, BenQ).
Refer to your laptop's specifications to ensure compatibility with the 18V output and to select the correct adapter tip.
Outdoor Use Scenarios:

Image: Illustrations depicting various outdoor scenarios where the ALLPOWERS 28W Foldable Solar Panel Charger can be used, including long-distance travel, camping/outing, mountaineering, and field adventure/study.
The panel is suitable for various outdoor activities. Use the attachment loops to secure it to a backpack, tent, or other stable surface to maintain optimal sun exposure.
7. Manteniment
- Neteja: Gently wipe the solar panels with a soft, damp drap per eliminar la pols o la brutícia. Eviteu utilitzar productes químics durs o materials abrasius que puguin ratllar la superfície.
- Emmagatzematge: Quan no l'utilitzeu, plegueu el panell solar i guardeu-lo en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- Inspecció: Periodically inspect the cables and connectors for any signs of wear or damage. Replace any damaged components immediately.
8. Solució De Problemes
El dispositiu no es carrega:
- Check Sunlight: Ensure the solar panel is in direct, strong sunlight. Partial shade or cloudy conditions will prevent or significantly reduce charging.
- Orientació del panell: Ajusteu l'angle del panell perquè estigui orientat directament cap al sol.
- Connexió per cable: Verify that all cables are securely connected to both the solar panel and your device.
- Compatibilitat del dispositiu: Assegureu-vos dels requisits d'alimentació del vostre dispositiu (voltage and current) are compatible with the solar panel's output (5V USB or 18V DC).
- Damaged Cables/Ports: Inspect cables and ports for any visible damage. Try using a different cable if available.
Càrrega lenta:
- Intensitat de la llum solar: Charging speed is directly proportional to sunlight intensity. Charging will be slower on overcast days or during early morning/late afternoon.
- Neteja del panell: Dust or dirt on the solar panels can reduce efficiency. Clean the panels as described in the Maintenance section.
- Device Power Consumption: Some devices, especially larger tablets or laptops, require more power and may charge slower than smaller devices.
- Qualitat del cable: Low-quality or excessively long USB cables can reduce charging efficiency. Use the original or high-quality cables.
9. Especificacions
| Model | AP-B18V28W-M |
| Wattage | 28 watts |
| Sortida USB | 5V (with iSolar Technology) |
| Sortida de corrent continu | 18 V |
| Dimensions del producte (plegat) | 10.8 x 7.6 x 2.8 polzades (27.4 x 19.3 x 7.1 cm) |
| Dimensions del producte (desplegat) | Approx. 35.2 x 18.1 inches (89.5 x 46 cm) |
| Pes de l'article | 3.25 lliures (1.47 kg) |
| Font d'alimentació | Energia solar |
| Dispositius compatibles | Laptops (below 18V/2A), MP3 Players, Tablets, Smartphones |
10. Garantia i assistència
ALLPOWERS products are designed and manufactured to the highest quality standards. For warranty information, technical support, or customer service inquiries, please refer to the contact information provided with your purchase or visit the official ALLPOWERS weblloc.